:root{--font-display:"Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-body:"Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--accent:#8b5cf6;--accent-dark:#7c3aed;--accent-soft:#ede9fe;--accent-blue:#3b82f6;--bg-app:#f4f7fd;--bg-card:#fff;--bg-input:#fafcff;--bg-input-hover:#f1f5f9;--bg-chat:#fafcff;--text-primary:#0f172a;--text-secondary:#475569;--text-placeholder:#94a3b8;--border-color:#e9edf4;--border-focus:var(--accent);--primary-color:var(--accent);--primary-hover:var(--accent-dark);--btn-primary-bg:var(--accent);--btn-primary-text:#fff;--btn-primary-hover:var(--accent-dark);--btn-outline-bg:#fff;--btn-outline-text:#0f172a;--btn-outline-border:#e9edf4;--btn-outline-hover:#f8fafc;--shadow-sm:0 1px 2px 0 #0000000d;--shadow-md:0 4px 6px -1px #0000001a, 0 2px 4px -2px #0000000d;--shadow-lg:0 10px 15px -3px #0000001a, 0 4px 6px -4px #0000000d;--shadow-xl:0 20px 25px -5px #0000000d, 0 8px 10px -6px #0000000d;--ring-color:#8b5cf640;--radius-sm:.375rem;--radius-md:.5rem;--radius-lg:1rem;--transition-fast:.15s cubic-bezier(.4, 0, .2, 1);--transition-normal:.25s cubic-bezier(.4, 0, .2, 1)}[data-theme=dark]{--accent:#a78bfa;--accent-dark:#8b5cf6;--accent-soft:#2e1065;--accent-blue:#60a5fa;--bg-app:#0f172a;--bg-card:#1e293b;--bg-input:#334155;--bg-input-hover:#475569;--bg-chat:#1e293b;--text-primary:#f8fafc;--text-secondary:#94a3b8;--text-placeholder:#64748b;--border-color:#334155;--border-focus:var(--accent);--primary-color:var(--accent);--primary-hover:var(--accent-dark);--btn-primary-bg:var(--accent);--btn-primary-text:#fff;--btn-primary-hover:var(--accent-dark);--btn-outline-bg:#1e293b;--btn-outline-text:#f8fafc;--btn-outline-border:#334155;--btn-outline-hover:#334155;--shadow-md:0 4px 6px -1px #0000004d, 0 2px 4px -2px #0000004d;--shadow-lg:0 10px 15px -3px #0000004d, 0 4px 6px -4px #0003;--shadow-xl:0 20px 25px -5px #0006, 0 8px 10px -6px #0006;--ring-color:#a78bfa40}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-body), -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;background-color:var(--bg-app);color:var(--text-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;transition:background-color var(--transition-normal), color var(--transition-normal);line-height:1.5}h1,h2,h3,h4,h5,h6{font-family:var(--font-display);letter-spacing:-.025em;color:var(--text-primary);font-weight:600}.text-3xl{font-size:1.875rem;line-height:2.25rem}.text-2xl{font-size:1.5rem;line-height:2rem}.text-xl{font-size:1.25rem;line-height:1.75rem}.text-lg{font-size:1.125rem;line-height:1.75rem}.text-base{font-size:1rem;line-height:1.5rem}.text-sm{font-size:.875rem;line-height:1.25rem}.text-xs{font-size:.75rem;line-height:1rem}.font-bold{font-weight:700}.font-semibold{font-weight:600}.font-medium{font-weight:500}.tracking-tight{letter-spacing:-.025em}.leading-tight{line-height:1.25}a{color:var(--text-primary);transition:color var(--transition-fast);font-weight:500;text-decoration:none}a:hover{text-decoration:underline}.min-h-screen{min-height:100vh}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-between{justify-content:space-between}.justify-center{justify-content:center}.w-full{width:100%}.h-full{height:100%}.max-w-md{max-width:26rem}.mx-auto{margin-left:auto;margin-right:auto}.relative{position:relative}.absolute{position:absolute}.z-10{z-index:10}.p-4{padding:1rem}.p-6{padding:1.5rem}.p-8{padding:2rem}.p-12{padding:3rem}.mb-2{margin-bottom:.5rem}.mb-4{margin-bottom:1rem}.mb-6{margin-bottom:1.5rem}.mb-8{margin-bottom:2rem}.mt-2{margin-top:.5rem}.mt-4{margin-top:1rem}.mt-6{margin-top:1.5rem}.mt-8{margin-top:2rem}.gap-1{gap:.25rem}.gap-2{gap:.5rem}.gap-3{gap:.75rem}.gap-4{gap:1rem}.gap-5{gap:1.25rem}.gap-6{gap:1.5rem}.-space-x-3>*+*{margin-left:-.75rem}.text-center{text-align:center}.text-white{color:#fff}.text-secondary{color:var(--text-secondary)}.bg-white\/20{background-color:#fff3}.border-white\/20{border-color:#fff3}.backdrop-blur-sm{-webkit-backdrop-filter:blur(4px)}.rounded-lg{border-radius:var(--radius-lg)}.rounded-full{border-radius:9999px}.border-2{border-style:solid;border-width:2px}.opacity-50{opacity:.5}.opacity-80{opacity:.8}.opacity-90{opacity:.9}.split-layout{grid-template-columns:1fr;display:grid}@media (width>=1024px){.split-layout{grid-template-columns:1fr 1fr}}.split-visual{background-image:url(/assets/gM022ETh1xo_ZGD9sfLk9-nK5W1qwq.png);background-position:50%;background-size:cover;display:none;position:relative;overflow:hidden}@media (width>=1024px){.split-visual{display:block}}.visual-overlay{position:absolute;inset:0}.glass-panel{-webkit-backdrop-filter:blur(12px);background:#ffffff1a;border:1px solid #fff3;border-radius:1.5rem;padding:2.5rem;box-shadow:0 25px 50px -12px #00000040}.split-form{background-color:var(--bg-card);transition:background-color var(--transition-normal)}.bg-gradient-to-br{background-image:linear-gradient(to bottom right, var(--tw-gradient-stops))}.from-purple-400{--tw-gradient-from:#c084fc;--tw-gradient-stops:var(--tw-gradient-from), var(--tw-gradient-to,#c084fc00)}.to-indigo-500{--tw-gradient-to:var(--accent)}.from-amber-400{--tw-gradient-from:#fbbf24;--tw-gradient-stops:var(--tw-gradient-from), var(--tw-gradient-to,#fbbf2400)}.to-orange-500{--tw-gradient-to:var(--accent-dark)}.from-emerald-400{--tw-gradient-from:#34d399;--tw-gradient-stops:var(--tw-gradient-from), var(--tw-gradient-to,#34d39900)}.to-teal-500{--tw-gradient-to:#14b8a6}.input-group{flex-direction:column;gap:.375rem;display:flex}.input-label{color:var(--text-primary);font-size:.875rem;font-weight:600}.input-field{background-color:var(--bg-input);border:1px solid var(--border-color);border-radius:var(--radius-md);width:100%;color:var(--text-primary);transition:all var(--transition-fast);outline:none;padding:.75rem 1rem;font-family:inherit;font-size:.9375rem}.input-field::placeholder{color:var(--text-placeholder)}.input-field:hover{background-color:var(--bg-input-hover)}.input-field:focus{background-color:var(--bg-card);border-color:var(--border-focus);box-shadow:0 0 0 3px var(--ring-color)}.input-icon-wrapper{align-items:center;display:flex;position:relative}.input-with-icon{padding-right:2.75rem}.input-icon-btn{color:var(--text-secondary);cursor:pointer;border-radius:var(--radius-sm);transition:color var(--transition-fast);background:0 0;border:none;justify-content:center;align-items:center;padding:.25rem;display:flex;position:absolute;right:.75rem}.input-icon-btn:hover{color:var(--text-primary)}.btn{border-radius:var(--radius-md);cursor:pointer;width:100%;transition:all var(--transition-fast);outline:none;justify-content:center;align-items:center;gap:.5rem;padding:.75rem 1.5rem;font-family:inherit;font-size:.9375rem;font-weight:600;display:inline-flex}.btn:focus-visible{box-shadow:0 0 0 3px var(--ring-color)}.btn:disabled{opacity:.6;cursor:not-allowed}.btn-primary{background-color:var(--btn-primary-bg);color:var(--btn-primary-text);border:1px solid #0000}.btn-primary:hover:not(:disabled){background-color:var(--btn-primary-hover);transform:translateY(-1px)}.btn-outline{background-color:var(--bg-card);color:var(--btn-outline-text);border:1px solid var(--btn-outline-border)}.btn-outline:hover:not(:disabled){background-color:var(--btn-outline-hover);border-color:var(--text-secondary)}.py-3{padding-top:.75rem;padding-bottom:.75rem}.shadow-md{box-shadow:var(--shadow-md)}.hover\:shadow-lg:hover{box-shadow:var(--shadow-lg)}.divider{text-align:center;color:var(--text-secondary);align-items:center;margin:1.5rem 0;font-size:.8125rem;font-weight:500;display:flex}.divider:before,.divider:after{content:"";border-bottom:1px solid var(--border-color);flex:1}.divider:not(:empty):before{margin-right:1rem}.divider:not(:empty):after{margin-left:1rem}.theme-toggle{background:var(--bg-card);border:1px solid var(--border-color);color:var(--text-primary);cursor:pointer;width:2.75rem;height:2.75rem;box-shadow:var(--shadow-md);transition:all var(--transition-fast);z-index:100;border-radius:50%;justify-content:center;align-items:center;display:flex;position:fixed;top:1.5rem;right:1.5rem}.theme-toggle:hover{background:var(--bg-input-hover);transform:scale(1.05)}@keyframes fadeIn{0%{opacity:0;transform:translateY(15px)}to{opacity:1;transform:translateY(0)}}.animate-fade-in{opacity:0;animation:.6s cubic-bezier(.16,1,.3,1) forwards fadeIn}.spinner{animation:1s linear infinite spin}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.card{background-color:var(--bg-card);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);border:1px solid var(--border-color);width:100%;transition:background-color var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);padding:2.5rem}.toast-container{z-index:9999;pointer-events:none;flex-direction:column;gap:.625rem;display:flex;position:fixed;bottom:1.5rem;right:1.5rem}.toast{pointer-events:all;border-radius:10px;justify-content:space-between;align-items:center;gap:.75rem;min-width:280px;max-width:420px;padding:.75rem 1rem;font-size:.875rem;font-weight:500;animation:.28s cubic-bezier(.34,1.56,.64,1) toast-in;display:flex;box-shadow:0 4px 20px #0000002e}@keyframes toast-in{0%{opacity:0;transform:translate(60px)scale(.96)}to{opacity:1;transform:translate(0)scale(1)}}.toast-success{color:#dcfce7;background:#166534;border:1px solid #16a34a}.toast-error{color:#fee2e2;background:#7f1d1d;border:1px solid #dc2626}.toast-info{color:#dbeafe;background:#1e3a5f;border:1px solid #3b82f6}.toast-warning{color:#fef3c7;background:#78350f;border:1px solid #f59e0b}.toast-message{flex:1}.toast-close{color:inherit;cursor:pointer;opacity:.7;background:0 0;border:none;flex-shrink:0;padding:0;font-size:1.125rem;line-height:1}.toast-close:hover{opacity:1}.auth-page-container{color:var(--text-dark);background:var(--bg);letter-spacing:.005em;-webkit-font-smoothing:antialiased;flex-direction:column;min-height:100vh;line-height:1.6;display:flex}.auth-page-container img,.auth-page-container svg{max-width:100%;display:block}.auth-page-container a{color:inherit;text-decoration:none}.auth-page-container button{cursor:pointer}.auth-page-container .icon{stroke:currentColor;fill:none;stroke-width:1.75px;stroke-linecap:round;stroke-linejoin:round;width:22px;height:22px}.auth-page-container .icon.filled{fill:currentColor;stroke:none}.auth-page-container .skip-link{background:var(--accent);color:var(--surface);z-index:1000;border-radius:0 0 8px;padding:12px 20px;position:absolute;top:0;left:-9999px}.auth-page-container .skip-link:focus{left:0}.auth-page-container :focus-visible{outline:3px solid var(--accent);outline-offset:3px;border-radius:6px}.auth-page-container .wrap{max-width:var(--max-width);width:100%;margin:0 auto;padding:0 24px}.auth-page-container .navbar{background:var(--surface);border-bottom:1px solid var(--border)}.auth-page-container .navbar .wrap{justify-content:space-between;align-items:center;padding:18px 24px;display:flex}.auth-page-container .logo{color:var(--blue-dark);align-items:center;gap:9px;font-size:21px;font-weight:700;display:flex}.auth-page-container .logo-mark{background:linear-gradient(135deg, var(--accent-dark), var(--accent));border-radius:9px;flex-shrink:0;justify-content:center;align-items:center;width:30px;height:30px;display:flex}.auth-page-container .logo-mark svg{width:18px;height:18px;display:block}.auth-page-container .back-home{color:var(--text-muted);align-items:center;gap:6px;font-size:14.5px;font-weight:500;display:flex}.auth-page-container .back-home:hover{color:var(--accent)}.auth-page-container .back-home .icon{width:16px;height:16px;transform:rotate(-90deg)}.auth-page-container .btn{border:none;border-radius:999px;justify-content:center;align-items:center;gap:8px;width:100%;padding:13px 28px;font-size:15px;font-weight:600;transition:transform .25s,box-shadow .25s,background .2s;display:inline-flex}.auth-page-container .btn:hover{transform:translateY(-2px)}.auth-page-container .btn:disabled{opacity:.55;cursor:not-allowed;transform:none}.auth-page-container .btn-primary{background:var(--accent);color:var(--surface);box-shadow:var(--shadow-btn)}.auth-page-container .btn-primary:hover:not(:disabled){background:var(--accent-dark)}.auth-page-container main{flex:1;padding:56px 24px 96px}.auth-page-container .page-heading{text-align:center;max-width:620px;margin:0 auto 48px}.auth-page-container .page-heading h1{letter-spacing:-.01em;margin:0 0 10px;font-size:32px;font-weight:700}.auth-page-container .page-heading p{color:var(--text-muted);margin:0;font-size:16px}.auth-page-container .layout{grid-template-columns:1.15fr 1fr;align-items:start;gap:32px;max-width:980px;margin:0 auto;display:grid}.auth-page-container .role-list{background:0 0;border:none;flex-direction:column;gap:14px;margin:0;padding:0;display:flex}.auth-page-container .role-card{background:var(--surface);border:1.5px solid var(--border);border-radius:var(--radius-md);text-align:left;align-items:flex-start;gap:16px;width:100%;padding:20px 22px;transition:border-color .2s,box-shadow .2s,transform .2s;display:flex}.auth-page-container .role-card:hover:not(:disabled){border-color:var(--accent);box-shadow:var(--shadow-sm);transform:translateY(-1px)}.auth-page-container .role-card[aria-pressed=true]{border-color:var(--accent);background:var(--accent-tint);box-shadow:var(--shadow-sm)}.auth-page-container .role-card:disabled{cursor:not-allowed;opacity:.6}.auth-page-container .role-icon{background:var(--blue-tint);width:42px;height:42px;color:var(--blue-dark);border-radius:12px;flex-shrink:0;justify-content:center;align-items:center;display:flex}.auth-page-container .role-card[aria-pressed=true] .role-icon{background:var(--accent);color:var(--surface)}.auth-page-container .role-text h3{align-items:center;gap:8px;margin:0 0 4px;font-size:16.5px;font-weight:600;display:flex}.auth-page-container .role-text p{color:var(--text-muted);max-width:46ch;margin:0;font-size:13.5px}.auth-page-container .soon-badge{letter-spacing:.02em;background:var(--sky-tint);color:var(--blue-dark);border-radius:999px;padding:3px 10px;font-size:11px;font-weight:600}.auth-page-container .signin-panel{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);padding:32px;position:sticky;top:24px}.auth-page-container .signin-panel .selected-role{color:var(--blue-dark);background:var(--blue-tint);border-radius:10px;align-items:center;gap:10px;margin-bottom:22px;padding:10px 14px;font-size:13.5px;font-weight:600;display:flex}.auth-page-container .signin-panel .selected-role.empty{color:var(--text-muted);background:var(--alt-bg);font-weight:500}.auth-page-container .field{margin-bottom:18px}.auth-page-container .field label{color:var(--text-dark);text-align:left;margin-bottom:7px;font-size:13.5px;font-weight:600;display:block}.auth-page-container .field input{width:100%;color:var(--text-dark);border:1.5px solid var(--border);background:var(--surface);border-radius:10px;padding:12px 14px;font-size:15px}.auth-page-container .field input:focus{border-color:var(--accent);outline:none}.auth-page-container .field input:disabled{background:var(--alt-bg);color:var(--text-muted)}.auth-page-container .form-foot{justify-content:space-between;align-items:center;margin:-6px 0 20px;font-size:13.5px;display:flex}.auth-page-container .form-foot a{color:var(--accent);font-weight:500}.auth-page-container .form-foot a:hover{text-decoration:underline}.auth-page-container .form-note{color:var(--text-muted);text-align:center;margin:16px 0 0;font-size:12.5px}.auth-page-container .status-msg{text-align:center;color:#ef4444;margin-top:14px;font-size:13.5px;font-weight:500}.auth-page-container .status-msg.success{color:#1f7a4c}.auth-page-container .google-btn{background:var(--surface);color:var(--text-dark);border:1.5px solid var(--border);justify-content:center;align-items:center;gap:10px;margin-top:16px;display:flex}.auth-page-container .google-btn:hover{border-color:var(--accent);background:var(--alt-bg)}@media (width<=820px){.auth-page-container .layout{grid-template-columns:1fr}.auth-page-container .signin-panel{position:static}}:root{--bg:#f5f8fa;--alt-bg:#edf2f5;--surface:#fff;--blue:#2f6690;--blue-dark:#244f6e;--blue-tint:#e7f1f7;--accent:#2f6fe0;--accent-dark:#1f4fae;--accent-tint:#e3ecfc;--sky:#6f9fc7;--sky-tint:#eaf1f8;--text-dark:#23303b;--text-muted:#5c6b78;--border:#dce4e9;--radius-sm:14px;--radius-md:16px;--radius-lg:24px;--max-width:1200px;--shadow-sm:0 1px 2px #23303b0f, 0 1px 1px #23303b0a;--shadow-md:0 2px 4px #23303b0a, 0 12px 28px #23303b14;--shadow-btn:0 1px 2px #23303b14, 0 6px 16px #2f6fe047}.landing-page-container{color:var(--text-dark);background:var(--bg);letter-spacing:.005em;-webkit-font-smoothing:antialiased;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;line-height:1.6}.landing-page-container img,.landing-page-container svg{max-width:100%;display:block}.landing-page-container a{color:inherit;text-decoration:none}.landing-page-container button{cursor:pointer}.landing-page-container p{max-width:68ch}.landing-page-container .icon{stroke:currentColor;fill:none;stroke-width:1.75px;stroke-linecap:round;stroke-linejoin:round;width:22px;height:22px}.landing-page-container .icon.filled{fill:currentColor;stroke:none}.landing-page-container .skip-link{background:var(--accent);color:var(--surface);z-index:1000;border-radius:0 0 8px;padding:12px 20px;position:absolute;top:0;left:-9999px}.landing-page-container .skip-link:focus{left:0}.landing-page-container :focus-visible{outline:3px solid var(--accent);outline-offset:3px;border-radius:6px}.landing-page-container .wrap{max-width:var(--max-width);margin:0 auto;padding:0 24px}.landing-page-container .navbar{z-index:100;-webkit-backdrop-filter:blur(10px);background:#f5f8fae0;border-bottom:1px solid #0000;transition:box-shadow .25s,border-color .25s;position:sticky;top:0}.landing-page-container .navbar.scrolled{box-shadow:var(--shadow-sm);border-bottom-color:var(--border)}.landing-page-container .navbar .wrap{justify-content:space-between;align-items:center;padding:18px 24px;display:flex}.landing-page-container .logo{color:var(--blue-dark);align-items:center;gap:9px;font-size:21px;font-weight:700;display:flex}.landing-page-container .logo-mark{background:linear-gradient(135deg, var(--accent-dark), var(--accent));border-radius:9px;flex-shrink:0;justify-content:center;align-items:center;width:30px;height:30px;display:flex}.landing-page-container .logo-mark svg{width:18px;height:18px;display:block}.landing-page-container .nav-links{gap:32px;margin:0;padding:0;list-style:none;display:flex}.landing-page-container .nav-links a{color:var(--text-muted);font-size:15px;font-weight:500;transition:color .2s}.landing-page-container .nav-links a:hover{color:var(--accent)}.landing-page-container .lp-btn{border:none;border-radius:999px;justify-content:center;align-items:center;gap:8px;width:auto;padding:13px 28px;font-size:15px;font-weight:600;transition:transform .25s,box-shadow .25s,background .2s;display:inline-flex}.landing-page-container .lp-btn:hover{transform:translateY(-2px)}.landing-page-container .lp-btn-primary{background:var(--accent);color:var(--surface);box-shadow:var(--shadow-btn)}.landing-page-container .lp-btn-primary:hover{background:var(--accent-dark)}.landing-page-container .lp-btn-outline{background:var(--surface);color:var(--accent-dark);border:1.5px solid var(--border);box-shadow:var(--shadow-sm)}.landing-page-container .lp-btn-outline:hover{border-color:var(--accent)}.landing-page-container .hero{text-align:center;padding:96px 24px 100px;position:relative;overflow:hidden}.landing-page-container .hero-wash{background:radial-gradient(60% 60% at 50% 0%, var(--blue-tint) 0%, #e7f1f700 70%);z-index:0;pointer-events:none;height:640px;position:absolute;top:-180px;left:-140px;right:-140px}.landing-page-container .hero-ring{border:1.5px solid var(--border);z-index:0;pointer-events:none;border-radius:50%;width:260px;height:260px;position:absolute;top:60px;right:-60px}.landing-page-container .hero-ring:before{content:"";border:1.5px solid var(--border);border-radius:50%;position:absolute;inset:-34px}.landing-page-container .hero-content{z-index:1;position:relative}.landing-page-container .eyebrow{background:var(--blue-tint);color:var(--blue-dark);letter-spacing:.04em;border-radius:999px;align-items:center;gap:8px;margin-bottom:28px;padding:8px 18px;font-size:12px;font-weight:600;display:inline-flex}.landing-page-container .hero h1{letter-spacing:-.01em;max-width:800px;margin:0 auto 20px;font-size:50px;font-weight:700;line-height:1.18}.landing-page-container .hero p.lead{color:var(--text-muted);max-width:620px;margin:0 auto 32px;font-size:18px}.landing-page-container .hero-ctas{flex-wrap:wrap;justify-content:center;gap:16px;margin-bottom:64px;display:flex}.landing-page-container .hero-visual{background:linear-gradient(160deg, var(--blue-tint) 0%, var(--accent-tint) 100%);border-radius:var(--radius-lg);max-width:1160px;box-shadow:var(--shadow-md);justify-content:center;align-items:center;margin:0 auto;padding:44px;display:flex}.landing-page-container .mock-screen{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-md);box-shadow:var(--shadow-md);text-align:left;width:100%;max-width:640px;padding:28px 32px 32px}.landing-page-container .mock-topbar{justify-content:space-between;align-items:center;margin-bottom:20px;display:flex}.landing-page-container .mock-breadcrumb{color:var(--text-muted);flex-wrap:wrap;align-items:center;gap:6px;font-size:12.5px;font-weight:500;display:flex}.landing-page-container .mock-breadcrumb .sep{color:var(--border)}.landing-page-container .mock-a11y-toggle{color:var(--blue-dark);background:var(--blue-tint);border-radius:999px;flex-shrink:0;align-items:center;gap:5px;padding:6px 12px;font-size:12px;font-weight:600;display:flex}.landing-page-container .mock-title{margin:0 0 16px;font-size:22px;font-weight:700}.landing-page-container .mock-snippet{background:var(--alt-bg);border-left:3px solid var(--blue);color:var(--text-dark);border-radius:0 10px 10px 0;margin-bottom:22px;padding:14px 18px;font-size:14.5px;font-style:italic}.landing-page-container .mock-formats{flex-wrap:wrap;gap:10px;margin-bottom:22px;display:flex}.landing-page-container .mock-chip{color:var(--text-dark);background:var(--surface);border:1px solid var(--border);border-radius:999px;align-items:center;gap:6px;padding:8px 14px;font-size:13px;font-weight:600;display:flex}.landing-page-container .mock-chip .icon{width:16px;height:16px;color:var(--blue)}.landing-page-container .mock-progress{align-items:center;gap:10px;display:flex}.landing-page-container .mock-dots{gap:6px;display:flex}.landing-page-container .mock-dot{background:var(--border);border-radius:50%;width:8px;height:8px}.landing-page-container .mock-dot.done{background:var(--blue)}.landing-page-container .mock-progress-label{color:var(--text-muted);font-size:13px;font-weight:500}.landing-page-container .wavy-divider{width:100%;height:56px;margin-top:-1px;display:block}.landing-page-container .curricula-strip{background:var(--blue-tint);text-align:center;padding:40px 24px}.landing-page-container .curricula-strip .label{color:var(--text-muted);letter-spacing:.04em;margin-bottom:20px;font-size:12.5px;font-weight:600}.landing-page-container .pill-row{flex-wrap:wrap;justify-content:center;gap:16px;display:flex}.landing-page-container .pill{background:var(--surface);border:1px solid var(--border);color:var(--blue-dark);box-shadow:var(--shadow-sm);border-radius:999px;padding:10px 22px;font-size:15px;font-weight:600}.landing-page-container section.content-section{text-align:center;padding:96px 24px}.landing-page-container section.content-section.alt{background:var(--alt-bg)}.landing-page-container .section-heading h2{letter-spacing:-.01em;margin:0 0 12px;font-size:33px;font-weight:700}.landing-page-container .section-heading p{color:var(--text-muted);max-width:560px;margin:0 auto;font-size:16px}.landing-page-container .grid-3{text-align:left;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:44px;display:grid}.landing-page-container .lp-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);padding:30px;transition:transform .3s,box-shadow .3s,border-color .3s}.landing-page-container .lp-card:hover{box-shadow:var(--shadow-md);border-color:#0000;transform:translateY(-4px)}.landing-page-container .lp-card.lp-card-tinted{background:var(--alt-bg);box-shadow:none;border:none}.landing-page-container .icon-tile{background:var(--blue-tint);width:44px;height:44px;color:var(--blue-dark);border-radius:12px;justify-content:center;align-items:center;margin-bottom:18px;display:flex}.landing-page-container .grid-3>.lp-card:nth-child(3n+2) .icon-tile{background:var(--accent-tint);color:var(--accent)}.landing-page-container .grid-3>.lp-card:nth-child(3n+3) .icon-tile{background:var(--sky-tint);color:var(--sky)}.landing-page-container .lp-card h3{margin:0 0 8px;font-size:17.5px;font-weight:600}.landing-page-container .lp-card.lp-card-tinted h3{font-size:20px}.landing-page-container .lp-card p{color:var(--text-muted);max-width:300px;margin:0;font-size:14px}.landing-page-container .curriculum-badge{background:var(--blue-tint);color:var(--blue-dark);border-radius:999px;margin-bottom:18px;padding:7px 16px;font-size:14px;font-weight:600;display:inline-block}.landing-page-container .grid-3>.lp-card:nth-child(3n+2) .curriculum-badge{background:var(--accent-tint);color:var(--accent-dark)}.landing-page-container .grid-3>.lp-card:nth-child(3n+3) .curriculum-badge{background:var(--sky-tint);color:var(--sky)}.landing-page-container .subject-list{flex-direction:column;gap:12px;margin:0;padding:0;list-style:none;display:flex}.landing-page-container .subject-list li{color:var(--text-dark);align-items:center;gap:10px;font-size:15px;font-weight:500;display:flex}.landing-page-container .subject-list li:before{content:"";background:var(--blue);border-radius:50%;flex-shrink:0;width:6px;height:6px}.landing-page-container .cta-banner{background:var(--blue-tint);text-align:center;padding:76px 24px;position:relative;overflow:hidden}.landing-page-container .cta-banner h2{max-width:640px;margin:0 auto 20px;font-size:30px;font-weight:700}.landing-page-container .cta-banner p{color:var(--text-muted);max-width:480px;margin:0 auto 32px;font-size:16px}.landing-page-container footer{background:var(--bg);border-top:1px solid var(--border);padding:56px 24px 40px}.landing-page-container .footer-columns{flex-wrap:wrap;justify-content:space-between;gap:40px;margin-bottom:32px;display:flex}.landing-page-container .footer-brand p{color:var(--text-muted);max-width:220px;margin-top:10px;font-size:13.5px}.landing-page-container .footer-col h4{margin:0 0 12px;font-size:13px;font-weight:600}.landing-page-container .footer-col ul{flex-direction:column;gap:10px;margin:0;padding:0;list-style:none;display:flex}.landing-page-container .footer-col a{color:var(--text-muted);font-size:13.5px;transition:color .2s}.landing-page-container .footer-col a:hover{color:var(--accent)}.landing-page-container .footer-bottom{border-top:1px solid var(--border);color:var(--text-muted);padding-top:20px;font-size:12.5px}.landing-page-container .back-to-top{background:var(--accent);width:48px;height:48px;color:var(--surface);box-shadow:var(--shadow-btn);opacity:0;visibility:hidden;z-index:90;border:none;border-radius:50%;justify-content:center;align-items:center;transition:opacity .25s,transform .25s,visibility .25s,background .2s;display:flex;position:fixed;bottom:28px;right:28px;transform:translateY(8px)}.landing-page-container .back-to-top.visible{opacity:1;visibility:visible;transform:translateY(0)}.landing-page-container .back-to-top:hover{background:var(--accent-dark)}.landing-page-container .back-to-top .icon{width:20px;height:20px}.landing-page-container [data-reveal]{opacity:0;will-change:opacity, transform;transition-property:opacity,transform;transition-duration:1.2s;transition-timing-function:cubic-bezier(.16,1,.3,1);transform:translateY(32px)}.landing-page-container [data-reveal].in-view{opacity:1;transform:translateY(0)}@media (width<=860px){.landing-page-container .nav-links{display:none}.landing-page-container .hero h1{font-size:33px}.landing-page-container .hero p.lead{font-size:16px}.landing-page-container .hero-visual{height:240px}.landing-page-container .grid-3{grid-template-columns:1fr}.landing-page-container .footer-columns{flex-direction:column;gap:28px}.landing-page-container .hero-ring{display:none}}@media (prefers-reduced-motion:reduce){.landing-page-container html{scroll-behavior:auto}.landing-page-container .card:hover,.landing-page-container .btn:hover{transform:none!important}.landing-page-container [data-reveal]{opacity:1!important;transition:none!important;transform:none!important}.landing-page-container *{transition-duration:.001ms!important;animation-duration:.001ms!important}}.modal-overlay{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:9000;background:#0009;justify-content:center;align-items:center;padding:1rem;animation:.2s overlay-in;display:flex;position:fixed;inset:0}@keyframes overlay-in{0%{opacity:0}to{opacity:1}}.modal-panel{background:var(--bg-card,#1e1e2e);border:1px solid var(--border-color,#2a2a3d);border-radius:16px;flex-direction:column;width:100%;max-height:90vh;animation:.25s cubic-bezier(.34,1.56,.64,1) modal-in;display:flex;box-shadow:0 20px 60px #0006}@keyframes modal-in{0%{opacity:0;transform:scale(.94)translateY(10px)}to{opacity:1;transform:scale(1)translateY(0)}}.modal-sm{max-width:400px}.modal-md{max-width:560px}.modal-lg{max-width:780px}.modal-header{border-bottom:1px solid var(--border-color,#2a2a3d);justify-content:space-between;align-items:center;padding:1.25rem 1.5rem;display:flex}.modal-title{color:var(--text-primary,#e2e2f0);margin:0;font-size:1.0625rem;font-weight:700}.modal-close-btn{color:var(--text-secondary,#888);cursor:pointer;background:0 0;border:none;border-radius:6px;padding:.375rem;transition:color .15s,background .15s;display:flex}.modal-close-btn:hover{color:var(--text-primary,#e2e2f0);background:var(--bg-hover,#ffffff0d)}.modal-body{padding:1.5rem;overflow-y:auto}.pagination{border-top:1px solid var(--border-color,#2a2a3d);justify-content:space-between;align-items:center;margin-top:.5rem;padding:.875rem 0 0;display:flex}.pagination-info{color:var(--text-secondary,#888);font-size:.8125rem}.pagination-controls{align-items:center;gap:.25rem;display:flex}.pagination-btn{border:1px solid var(--border-color,#2a2a3d);background:var(--bg-card,#1e1e2e);min-width:32px;height:32px;color:var(--text-secondary,#888);cursor:pointer;border-radius:6px;justify-content:center;align-items:center;padding:0 .375rem;font-size:.8125rem;transition:all .15s;display:flex}.pagination-btn:hover:not(:disabled){background:var(--bg-hover,#ffffff0d);color:var(--text-primary,#e2e2f0)}.pagination-btn:disabled{opacity:.35;cursor:not-allowed}.pagination-btn-active{background:var(--accent);border-color:var(--accent);color:#fff}.pagination-btn-active:hover:not(:disabled){background:var(--accent-dark);color:#fff}.pagination-ellipsis{color:var(--text-secondary,#888);padding:0 .25rem;font-size:.8125rem}.sad-container .curriculum-topics-panel{flex-direction:column;gap:20px;height:100%;display:flex}.sad-container .curriculum-topics-panel .panel-header h2{color:var(--ink);margin:0 0 4px;font-size:22px;font-weight:700}.sad-container .curriculum-topics-panel .panel-header p{color:var(--sub);margin:0;font-size:13px}.sad-container .curriculum-topics-panel .filters-container{flex-wrap:wrap;gap:12px;display:flex}.sad-container .curriculum-topics-panel .filters-container select{border:1px solid var(--brd);background-color:var(--white);color:var(--ink);cursor:pointer;border-radius:9px;outline:none;min-width:200px;padding:10px 14px;font-family:inherit;font-size:12.5px;font-weight:500}.sad-container .curriculum-topics-panel .filters-container select:focus{border-color:var(--pri);box-shadow:0 0 0 3px var(--pri-bg)}.sad-container .curriculum-topics-panel .filters-container select:disabled{opacity:.55;cursor:not-allowed;background:var(--bg)}.sad-container .curriculum-topics-panel .topics-content{border:1px solid var(--brd);background:var(--white);box-shadow:var(--shadow);border-radius:14px;flex-direction:column;flex:1;display:flex;overflow:hidden}.sad-container .curriculum-topics-panel .actions-bar{border-bottom:1px solid var(--brd);background:var(--bg);justify-content:flex-end;align-items:center;gap:8px;padding:14px 16px;display:flex}.sad-container .curriculum-topics-panel .loading-state,.sad-container .curriculum-topics-panel .empty-state{text-align:center;color:var(--sub);padding:48px 24px;font-size:13px}.sad-container .curriculum-topics-panel .hierarchy-tree{flex:1;padding:16px;overflow-y:auto}.sad-container .curriculum-topics-panel .node-header{cursor:pointer;background:var(--white);border:1px solid var(--brd);border-radius:10px;align-items:center;gap:8px;margin-bottom:6px;padding:12px 14px;transition:all .15s ease-in-out;display:flex}.sad-container .curriculum-topics-panel .node-header:hover{background:var(--bg);border-color:var(--mut)}.sad-container .curriculum-topics-panel .node-header .expand-btn{color:var(--mut);cursor:pointer;background:0 0;border:none;border-radius:6px;flex-shrink:0;justify-content:center;align-items:center;padding:4px;display:inline-flex}.sad-container .curriculum-topics-panel .node-header .expand-btn:hover{background:var(--bg);color:var(--ink)}.sad-container .curriculum-topics-panel .node-title{color:var(--ink);flex:1;min-width:0;font-size:13px;font-weight:600}.sad-container .curriculum-topics-panel .node-actions{flex-shrink:0;align-items:center;gap:6px;margin-left:auto;display:flex}.sad-container .curriculum-topics-panel .chapter-header{background:var(--bg);border-color:var(--brd);font-size:14px}.sad-container .curriculum-topics-panel .topic-header{border-left:3px solid var(--pri);border-radius:0 10px 10px 0;margin-left:24px}.sad-container .curriculum-topics-panel .tree-node-subtopic .node-header{border-left:2px solid var(--mut);border-radius:0 10px 10px 0;margin-left:48px}.sad-container .curriculum-topics-panel .tree-node-subsubtopic .node-header{border-left:2px dotted var(--mut);border-radius:0 10px 10px 0;margin-left:72px}.sad-container .curriculum-topics-panel .node-children{animation:.2s ease-out ctpSlideDown}@keyframes ctpSlideDown{0%{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}.sad-container .curriculum-topics-panel .ctp-modal-overlay{z-index:1000;background:#0f172a73;justify-content:center;align-items:center;padding:16px;display:flex;position:fixed;inset:0}.sad-container .curriculum-topics-panel .ctp-modal-content{background:var(--white);border:1px solid var(--brd);border-radius:14px;width:100%;max-width:480px;padding:24px;box-shadow:0 20px 40px #0f172a26}.sad-container .curriculum-topics-panel .ctp-modal-header{justify-content:space-between;align-items:center;margin-bottom:20px;display:flex}.sad-container .curriculum-topics-panel .ctp-modal-header h3{color:var(--ink);margin:0;font-size:1.125rem;font-weight:700}.sad-container .curriculum-topics-panel .ctp-modal-header .close-btn{background:var(--bg);border:1px solid var(--brd);width:32px;height:32px;color:var(--sub);cursor:pointer;border-radius:8px;justify-content:center;align-items:center;font-size:1.25rem;line-height:1;display:inline-flex}.sad-container .curriculum-topics-panel .ctp-modal-header .close-btn:hover{background:var(--red-bg);color:var(--red);border-color:#0000}.sad-container .curriculum-topics-panel .checkbox-group label{cursor:pointer;color:var(--ink);align-items:center;gap:8px;font-size:13px;font-weight:500;display:flex}.sad-container .curriculum-topics-panel .checkbox-group input[type=checkbox]{width:16px;height:16px;accent-color:var(--pri)}.sad-container .curriculum-topics-panel .btn-primary{background-color:var(--pri);color:var(--white);cursor:pointer;border:none;border-radius:8px;align-items:center;gap:6px;padding:8px 16px;font-size:13px;font-weight:600;transition:opacity .2s;display:inline-flex}.sad-container .curriculum-topics-panel .btn-primary:hover{opacity:.9}.sad-container .curriculum-topics-panel .btn-secondary{background-color:var(--bg);color:var(--ink);border:1px solid var(--brd);cursor:pointer;border-radius:8px;padding:8px 16px;font-size:13px;font-weight:600;transition:background-color .2s}.sad-container .curriculum-topics-panel .btn-secondary:hover{background-color:var(--mut)}.sad-container .curriculum-topics-panel .form-group{margin-bottom:16px}.sad-container .curriculum-topics-panel .form-group label{margin-bottom:6px;font-size:.875rem;font-weight:500;display:block}.sad-container .curriculum-topics-panel .form-group input[type=text],.sad-container .curriculum-topics-panel .form-group input[type=number]{border:1px solid var(--brd);border-radius:6px;outline:none;width:100%;padding:10px 12px;font-family:inherit;font-size:.875rem}.sad-container .curriculum-topics-panel .form-group input:focus{border-color:var(--pri);box-shadow:0 0 0 3px var(--pri-bg)}.sad-container .curriculum-topics-panel .form-group input:disabled{background:var(--bg);color:var(--sub);cursor:not-allowed}.sad-container .curriculum-topics-panel .modal-actions{justify-content:flex-end;gap:12px;margin-top:32px;display:flex}.sad-container{--pri:#6366f1;--pri-d:#4f46e5;--pri-bg:#eef2ff;--ink:#0f172a;--sub:#64748b;--mut:#94a3b8;--brd:#e2e8f0;--bg:#f8fafc;--white:#fff;--grn:#059669;--grn-bg:#ecfdf5;--red:#dc2626;--red-bg:#fef2f2;--amb:#b45309;--amb-bg:#fffbeb;--cyn:#0891b2;--cyn-bg:#ecfeff;--pnk:#db2777;--pnk-bg:#fdf2f8;--shadow:0 1px 3px #0f172a0f}[data-theme=dark] .sad-container{--pri:#818cf8;--pri-d:#6366f1;--pri-bg:#6366f133;--ink:#f8fafc;--sub:#94a3b8;--mut:#64748b;--brd:#334155;--bg:#0f172a;--white:#1e293b;--grn:#34d399;--grn-bg:#05966933;--red:#f87171;--red-bg:#dc262633;--amb:#fbbf24;--amb-bg:#b4530933;--cyn:#22d3ee;--cyn-bg:#0891b233;--pnk:#f472b6;--pnk-bg:#db277733;--shadow:0 4px 6px -1px #0000004d}.sad-container{background:var(--bg);color:var(--ink);box-sizing:border-box;min-height:calc(100vh - 64px);margin:0;padding:0;display:flex}.sad-container *{box-sizing:border-box}.sad-container .sidebar{background:var(--white);border-right:1px solid var(--brd);z-index:10;flex-direction:column;flex-shrink:0;width:248px;height:calc(100vh - 64px);padding:24px 16px;display:flex;position:sticky;top:64px}.sad-container .logo{align-items:center;gap:10px;padding:0 8px;display:flex}.sad-container .logo-mark{background:var(--pri);color:#fff;border-radius:9px;justify-content:center;align-items:center;width:34px;height:34px;font-size:16px;font-weight:700;display:flex}.sad-container .logo-name{letter-spacing:.03em;font-size:14.5px;font-weight:700;line-height:1.2}.sad-container .logo-sub{color:var(--mut);letter-spacing:.02em;font-size:10.5px;font-weight:500;line-height:1.2}.sad-container .menu-label{color:var(--mut);letter-spacing:.1em;margin-top:20px;padding:8px 12px;font-size:9.5px;font-weight:600}.sad-container .nav{flex-direction:column;gap:4px;display:flex}.sad-container .nav-item{color:var(--sub);cursor:pointer;text-align:left;background:0 0;border:none;border-radius:9px;align-items:center;gap:10px;width:100%;padding:9px 12px;font-size:13px;font-weight:500;transition:all .2s;display:flex}.sad-container .nav-item:hover{background:var(--bg)}.sad-container .nav-item.active{background:var(--pri);color:#fff;font-weight:600}.sad-container .sidebar-user{background:var(--bg);border-radius:10px;align-items:center;gap:10px;margin-top:auto;padding:10px;display:flex}.sad-container .avatar{background:var(--pri);color:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:32px;height:32px;font-size:13px;font-weight:600;display:flex}.sad-container .sidebar-user .u-email{text-overflow:ellipsis;white-space:nowrap;max-width:140px;font-size:11.5px;font-weight:600;line-height:1.2;overflow:hidden}.sad-container .sidebar-user .u-role{color:var(--mut);font-size:10px;font-weight:500;line-height:1.2}.sad-container .main{background:var(--bg);flex-direction:column;flex:1;min-height:calc(100vh - 64px);display:flex}.sad-container .topbar{background:var(--white);border-bottom:1px solid var(--brd);align-items:center;gap:12px;height:65px;padding:12px 28px;display:flex}.sad-container .topbar .brand{color:var(--sub);font-size:12.5px;font-weight:500}.sad-container .topbar .spacer{flex:1}.sad-container .search{border:1px solid var(--brd);background:var(--white);width:240px;height:40px;color:var(--mut);border-radius:9px;align-items:center;gap:8px;padding:0 14px;font-size:12.5px;display:flex}.sad-container .search input{color:var(--ink);background:0 0;border:none;outline:none;flex:1;font-size:12.5px}.sad-container .icon-btn{background:var(--bg);cursor:pointer;border:none;border-radius:10px;justify-content:center;align-items:center;width:38px;height:38px;font-size:15px;display:flex}.sad-container .avatar-sm{background:var(--pri-bg);width:38px;height:38px;color:var(--pri-d);border-radius:50%;justify-content:center;align-items:center;font-size:14px;font-weight:600;display:flex}.sad-container .content{flex-direction:column;gap:24px;padding:28px;display:flex}.sad-container .page-inner{flex-direction:column;gap:24px;width:100%;display:flex}.sad-container .page-head{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.sad-container .page-head h1{color:var(--ink);margin:0;font-size:22px;font-weight:700}.sad-container .page-head .sub{color:var(--sub);margin-top:4px;font-size:13px}.sad-container .page-head .spacer{flex:1;min-width:12px}.sad-container .page-head .btn-group{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.sad-container .btn{cursor:pointer;border:1px solid var(--brd);background:var(--white);color:var(--sub);white-space:nowrap;border-radius:9px;flex-shrink:0;justify-content:center;align-items:center;gap:6px;width:auto;min-width:0;padding:9px 14px;font-family:inherit;font-size:12.5px;font-weight:600;line-height:1.2;transition:all .2s;display:inline-flex}.sad-container .btn:hover:not(:disabled){background:var(--bg);color:var(--ink)}.sad-container .btn:disabled{opacity:.45;cursor:not-allowed}.sad-container .btn.primary{background:var(--pri);border-color:var(--pri);color:#fff}.sad-container .btn.primary:hover:not(:disabled){background:var(--pri-d);border-color:var(--pri-d);color:#fff}.sad-container .btn.danger{background:var(--red-bg);color:var(--red);border-color:#0000}.sad-container .btn.danger:hover:not(:disabled){filter:brightness(.96)}.sad-container .btn.sm{border-radius:8px;gap:4px;padding:6px 10px;font-size:11.5px}.sad-container .btn.xs{border-radius:7px;gap:3px;padding:5px 8px;font-size:11px}.sad-container .btn-icon{cursor:pointer;border:1px solid var(--brd);background:var(--white);color:var(--sub);border-radius:7px;flex-shrink:0;justify-content:center;align-items:center;gap:4px;padding:6px 8px;font-family:inherit;font-size:11px;font-weight:600;line-height:1;transition:all .15s;display:inline-flex}.sad-container .btn-icon:hover:not(:disabled){background:var(--bg);color:var(--ink);border-color:var(--mut)}.sad-container .btn-icon.edit{color:var(--pri-d);background:var(--pri-bg);border-color:#0000}.sad-container .btn-icon.edit:hover:not(:disabled){background:var(--pri-bg);filter:brightness(.96)}.sad-container .btn-icon.delete{color:var(--red);background:var(--red-bg);border-color:#0000}.sad-container .btn-icon.delete:hover:not(:disabled){filter:brightness(.96)}.sad-container .btn-icon.add{color:var(--grn);background:var(--grn-bg);border-color:#0000}.sad-container .btn-icon.add:hover:not(:disabled){filter:brightness(.96)}.sad-container .btn-icon:disabled{opacity:.45;cursor:not-allowed}.sad-container .icon-btn-plain{color:var(--mut);cursor:pointer;background:0 0;border:none;border-radius:6px;flex-shrink:0;justify-content:center;align-items:center;padding:4px;transition:all .15s;display:inline-flex}.sad-container .icon-btn-plain:hover{background:var(--bg);color:var(--ink)}.sad-container .icon-btn-plain.danger:hover{background:var(--red-bg);color:var(--red)}.sad-container .modal-actions{flex-wrap:wrap;justify-content:flex-end;align-items:center;gap:10px;margin-top:20px;display:flex}.sad-container .curriculum-setup{flex-direction:column;gap:16px;height:100%;padding:4px 0;display:flex}.sad-container .curriculum-setup-header h2{color:var(--ink);margin:0;font-size:1.25rem;font-weight:700}.sad-container .curriculum-setup-header p{color:var(--sub);margin:4px 0 0;font-size:.875rem}.sad-container .curriculum-columns{flex:1;gap:12px;min-height:420px;padding-bottom:8px;display:flex;overflow-x:auto}.sad-container .curriculum-column{border:1px solid var(--brd);background:var(--white);box-shadow:var(--shadow);border-radius:12px;flex-direction:column;flex:0 0 240px;display:flex;overflow:hidden}.sad-container .curriculum-column-header{background:var(--bg);border-bottom:1px solid var(--brd);justify-content:space-between;align-items:center;gap:8px;min-height:48px;padding:12px 14px;display:flex}.sad-container .curriculum-column-header h3{color:var(--ink);letter-spacing:.02em;margin:0;font-size:.8125rem;font-weight:700}.sad-container .curriculum-column-body{flex:1;padding:8px;overflow-y:auto}.sad-container .curriculum-column-empty{text-align:center;color:var(--mut);padding:16px 12px;font-size:.8125rem;line-height:1.4}.sad-container .curriculum-column-item{cursor:pointer;background:0 0;border:1px solid #0000;border-radius:8px;justify-content:space-between;align-items:center;gap:8px;margin-bottom:4px;padding:10px;transition:all .15s;display:flex}.sad-container .curriculum-column-item:hover{background:var(--bg);border-color:var(--brd)}.sad-container .curriculum-column-item.selected{background:var(--pri-bg);border-color:var(--pri)}.sad-container .curriculum-column-item-name{text-overflow:ellipsis;white-space:nowrap;min-width:0;color:var(--ink);flex:1;font-size:.8125rem;font-weight:600;overflow:hidden}.sad-container .curriculum-column-item-actions{flex-shrink:0;align-items:center;gap:2px;display:flex}.sad-container .form-field{flex-direction:column;gap:6px;margin-bottom:14px;display:flex}.sad-container .form-field label{color:var(--sub);font-size:.8125rem;font-weight:600}.sad-container .form-field input,.sad-container .form-field textarea,.sad-container .form-field select{border:1px solid var(--brd);background:var(--white);width:100%;color:var(--ink);box-sizing:border-box;border-radius:8px;padding:10px 12px;font-family:inherit;font-size:.875rem}.sad-container .form-field input:focus,.sad-container .form-field textarea:focus,.sad-container .form-field select:focus{border-color:var(--pri);box-shadow:0 0 0 3px var(--pri-bg);outline:none}.sad-container .form-field textarea{resize:vertical;min-height:88px}.sad-container .card{background:var(--white);border:1px solid var(--brd);box-shadow:var(--shadow);border-radius:14px;overflow:hidden}.sad-container .stats{grid-template-columns:repeat(5,1fr);gap:16px;display:grid}.sad-container .stat{align-items:center;gap:14px;padding:20px;display:flex}.sad-container .stat-icon{border-radius:11px;flex-shrink:0;justify-content:center;align-items:center;width:44px;height:44px;font-size:18px;display:flex}.sad-container .stat .num{margin:0;font-size:24px;font-weight:700;line-height:1.1}.sad-container .stat .lbl{color:var(--sub);margin:2px 0 0;font-size:12px;font-weight:500}.sad-container .stat .extra{color:var(--grn);margin:2px 0 0;font-size:10.5px;font-weight:600}.sad-container .table-card{overflow:auto}.sad-container table{border-collapse:collapse;text-align:left;width:100%}.sad-container th{background:var(--bg);color:var(--mut);letter-spacing:.06em;text-transform:uppercase;border-bottom:1px solid var(--brd);padding:14px 16px;font-size:10.5px;font-weight:600}.sad-container td{border-bottom:1px solid var(--brd);vertical-align:middle;padding:14px 16px;font-size:12.5px}.sad-container tr:last-child td{border-bottom:none}.sad-container tr:hover td{background:var(--bg)}.sad-container .muted{color:var(--sub)}.sad-container .faint{color:var(--mut)}.sad-container .actor{color:var(--sub);font-weight:500}.sad-container .email-cell{align-items:center;gap:8px;font-weight:500;display:flex}.sad-container .avatar-xs{background:var(--pri-bg);width:28px;height:28px;color:var(--pri-d);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-size:11px;font-weight:600;display:flex}.sad-container .chip{letter-spacing:.03em;border-radius:999px;align-items:center;gap:4px;padding:4px 10px;font-size:10.5px;font-weight:600;display:inline-flex}.sad-container .chip.grn{color:var(--grn);background:var(--grn-bg)}.sad-container .chip.red{color:var(--red);background:var(--red-bg)}.sad-container .chip.vio{color:var(--pri-d);background:var(--pri-bg)}.sad-container .chip.amb{color:var(--amb);background:var(--amb-bg)}.sad-container .chip.cyn{color:var(--cyn);background:var(--cyn-bg)}.sad-container .chip.pnk{color:var(--pnk);background:var(--pnk-bg)}.sad-container .chip.gry{color:var(--sub);background:var(--bg)}.sad-container .mini{cursor:pointer;border:none;border-radius:7px;margin-right:4px;padding:5px 10px;font-size:10.5px;font-weight:600;transition:filter .2s}.sad-container .mini.red{color:var(--red);background:var(--red-bg)}.sad-container .mini.grn{color:var(--grn);background:var(--grn-bg)}.sad-container .mini.vio{color:var(--pri-d);background:var(--pri-bg)}.sad-container .mini.amb{color:var(--amb);background:var(--amb-bg)}.sad-container .mini:hover{filter:brightness(.96)}.sad-container .filters{align-items:center;gap:10px;padding:12px;display:flex}.sad-container .filters .search{flex:1;width:auto;margin:0}.sad-container select,.sad-container .date-input{border:1px solid var(--brd);background:var(--white);height:40px;color:var(--sub);cursor:pointer;border-radius:9px;outline:none;padding:0 14px;font-size:12.5px;font-weight:500}.sad-container .to-label{color:var(--mut);font-size:12px;font-weight:500}.sad-container .cols{align-items:flex-start;gap:20px;display:flex}.sad-container .cols .table-card{flex:1}.sad-container .card-head{border-bottom:1px solid var(--brd);align-items:center;padding:16px 20px;display:flex}.sad-container .card-head h2{margin:0;font-size:15px;font-weight:600}.sad-container .card-head .spacer{flex:1}.sad-container .card-head a{color:var(--pri);cursor:pointer;font-size:12px;font-weight:600;text-decoration:none}.sad-container .health{flex-shrink:0;width:320px;padding:20px}.sad-container .health h2{margin:0;font-size:15px;font-weight:600}.sad-container .health .sub{color:var(--sub);margin:4px 0 14px;font-size:11.5px}.sad-container .health-row{align-items:center;gap:10px;padding:8px 0;display:flex}.sad-container .dot{background:var(--grn);border-radius:50%;flex-shrink:0;width:8px;height:8px}.sad-container .dot.amb{background:var(--amb)}.sad-container .dot.red{background:var(--red)}.sad-container .health-row .name{flex:1;font-size:13px;font-weight:500}.sad-container .hint{text-align:center;padding:24px}.sad-container .hint p{color:var(--sub);margin:0;font-size:12.5px}.sad-container .hint p+p{color:var(--mut);margin-top:6px}.sad-container .org-cell{align-items:center;gap:10px;font-size:13px;font-weight:600;display:flex}.sad-container .org-icon{background:var(--pri-bg);border-radius:9px;justify-content:center;align-items:center;width:36px;height:36px;font-size:15px;display:flex}@media (width<=1100px){.sad-container .stats{grid-template-columns:repeat(2,1fr)}.sad-container .cols{flex-direction:column}.sad-container .health{width:100%}}:root{--vocab:#4f46e5;--vocab-tint:#eef2ff;--idiom:#e11d48;--idiom-tint:#fff1f2;--lit:#059669;--lit-tint:#ecfdf5;--write:#d97706;--write-tint:#fffbeb;--bg-primary:#fff;--bg-secondary:#f6f7f9;--text-primary:#111827;--text-secondary:#6b7280;--border-light:#e5e7eb;--primary-color:var(--accent);--primary-hover:var(--accent-dark)}.eng-panel{background-color:var(--bg-secondary);flex-direction:column;height:100%;padding:2rem;display:flex;overflow-y:auto}.eng-header-tag{color:var(--text-secondary);text-transform:uppercase;letter-spacing:.05em;margin-bottom:.25rem;font-size:.75rem;font-weight:700}.eng-header-title{color:var(--text-primary);align-items:center;gap:.75rem;margin-bottom:1.5rem;font-size:1.875rem;font-weight:700;display:flex}.eng-tabs{border-bottom:1px solid var(--border-light);gap:.5rem;margin-bottom:1.5rem;display:flex}.eng-tab-btn{cursor:pointer;color:var(--text-secondary);background:0 0;border:none;align-items:center;gap:.5rem;padding:.5rem 1rem;font-size:.875rem;font-weight:600;transition:color .2s;display:flex;position:relative}.eng-tab-btn.active,.eng-tab-btn:hover:not(.active){color:var(--text-primary)}.eng-metrics{gap:1rem;margin-bottom:1.5rem;display:flex}.eng-metric-card{background-color:var(--bg-primary);border:1px solid var(--border-light);border-radius:14px;flex-direction:column;justify-content:center;align-items:center;min-width:120px;padding:1rem;display:flex;box-shadow:0 1px 2px #0000000d}.eng-metric-value{color:var(--text-primary);font-size:1.875rem;font-weight:700}.eng-metric-label{color:var(--text-secondary);margin-top:.25rem;font-size:.75rem}.eng-action-bar{background-color:var(--bg-primary);border:1px solid var(--border-light);border-radius:10px;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1rem;padding:.75rem;display:flex;box-shadow:0 1px 2px #0000000d}.eng-search-box{width:100%;max-width:300px;position:relative}.eng-search-icon{color:#9ca3af;position:absolute;top:50%;left:.75rem;transform:translateY(-50%)}.eng-search-input{border:1px solid var(--border-light);box-sizing:border-box;background-color:#f9fafb;border-radius:.375rem;outline:none;width:100%;padding:.5rem 1rem .5rem 2.5rem;font-size:.875rem;transition:all .2s}.eng-search-input:focus{border-color:var(--primary-color);box-shadow:0 0 0 2px #5547d61a}.eng-filters{flex-wrap:wrap;align-items:center;gap:.75rem;display:flex}.eng-select{background-color:var(--bg-primary);border:1px solid var(--border-light);color:#374151;cursor:pointer;border-radius:.375rem;outline:none;padding:.5rem .75rem;font-size:.875rem}.eng-select:focus{border-color:var(--primary-color)}.eng-divider{background-color:var(--border-light);width:1px;height:1.5rem;margin:0 .25rem}.eng-btn{cursor:pointer;border:none;border-radius:.375rem;align-items:center;gap:.5rem;padding:.5rem 1rem;font-size:.875rem;font-weight:600;transition:all .2s;display:flex}.eng-btn-secondary{background-color:var(--bg-primary);border:1px solid var(--border-light);color:#374151}.eng-btn-secondary:hover{background-color:#f9fafb}.eng-btn-primary{background-color:var(--primary-color);color:#fff;box-shadow:0 1px 2px #0000000d}.eng-btn-primary:hover{background-color:var(--primary-hover)}.eng-grid-container{background-color:var(--bg-primary);border:1px solid var(--border-light);border-radius:.75rem;flex-direction:column;flex:1;min-height:400px;margin-top:1rem;display:flex;overflow:hidden;box-shadow:0 1px 2px #0000000d}.eng-table-wrapper{flex:1;width:100%;overflow:auto}.eng-table{text-align:left;border-collapse:collapse;width:100%;min-width:800px}.eng-th{color:var(--text-secondary);text-transform:uppercase;letter-spacing:.05em;border-bottom:1px solid var(--border-light);z-index:10;background-color:#f9fafb;padding:.75rem 1rem;font-size:.75rem;font-weight:700;position:sticky;top:0}.eng-tr{border-bottom:1px solid #f9fafb;transition:background-color .2s}.eng-tr:hover{background-color:var(--bg-secondary)}.eng-tr:hover .eng-td-actions{opacity:1}.eng-td{color:var(--text-secondary);vertical-align:middle;padding:.75rem 1rem;font-size:.875rem}.eng-td-primary{color:var(--text-primary);align-items:center;gap:.5rem;font-weight:700;display:flex}.eng-badge{color:#111827;background-color:#efeff2;border-radius:9999px;padding:.25rem .5rem;font-size:.75rem;font-weight:700}.eng-truncate{white-space:nowrap;text-overflow:ellipsis;max-width:250px;overflow:hidden}.eng-td-actions{opacity:0;text-align:right;transition:opacity .2s}.eng-icon-btn{background-color:var(--bg-primary);border:1px solid var(--border-light);color:#9ca3af;cursor:pointer;border-radius:.375rem;padding:.5rem;transition:all .2s}.eng-icon-btn:hover{color:var(--primary-color);border-color:var(--primary-color)}.eng-modal-overlay{z-index:50;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background-color:#11182780;justify-content:center;align-items:center;padding:1rem;display:flex;position:fixed;inset:0}.eng-modal-content{background-color:var(--bg-primary);border-radius:1rem;flex-direction:column;width:100%;max-width:42rem;max-height:90vh;display:flex;overflow:hidden;box-shadow:0 20px 25px -5px #0000001a,0 10px 10px -5px #0000000a}.eng-modal-header{border-bottom:1px solid var(--border-light);background-color:#f9fafb;justify-content:space-between;align-items:center;padding:1.5rem;display:flex}.eng-modal-title{color:var(--text-primary);margin:0;font-size:1.25rem;font-weight:700}.eng-modal-close{color:#9ca3af;background:var(--bg-primary);cursor:pointer;border:none;border-radius:9999px;padding:.5rem;box-shadow:0 1px 2px #0000000d}.eng-modal-close:hover{color:#374151}.eng-modal-body{flex:1;padding:1.5rem;overflow-y:auto}.eng-form-grid{grid-template-columns:1fr 1fr;gap:1rem;margin-bottom:1rem;display:grid}.eng-form-group{flex-direction:column;gap:.25rem;margin-bottom:1rem;display:flex}.eng-label{color:var(--text-secondary);text-transform:uppercase;margin-bottom:.25rem;font-size:.75rem;font-weight:700}.eng-input,.eng-textarea{border:1px solid var(--border-light);box-sizing:border-box;border-radius:.375rem;width:100%;padding:.5rem;font-size:.875rem}.eng-input:focus,.eng-textarea:focus{border-color:var(--primary-color);outline:none;box-shadow:0 0 0 2px #5547d61a}.eng-textarea{resize:vertical}.eng-modal-footer{border-top:1px solid var(--border-light);justify-content:flex-end;gap:.75rem;margin-top:1.5rem;padding-top:1.5rem;display:flex}.eng-dropzone{text-align:center;cursor:pointer;background-color:#f9fafb;border:2px dashed #d1d5db;border-radius:.75rem;flex-direction:column;justify-content:center;align-items:center;padding:2.5rem;transition:background-color .2s;display:flex}.eng-dropzone:hover{background-color:#f3f4f6}.eng-dropzone-icon{background-color:var(--bg-primary);color:#9ca3af;border-radius:50%;justify-content:center;align-items:center;width:4rem;height:4rem;margin-bottom:1rem;display:flex;box-shadow:0 1px 2px #0000000d}.eng-alert{border-radius:.5rem;align-items:flex-start;gap:.75rem;margin-top:1.5rem;padding:1rem;font-size:.875rem;display:flex}.eng-alert-error{color:#b91c1c;background-color:#fef2f2;border:1px solid #fecaca}.eng-alert-success{color:#15803d;background-color:#f0fdf4;border:1px solid #bbf7d0;align-items:center;font-weight:600}[data-theme=dark]{--bg-primary:#1e293b;--bg-secondary:#0f172a;--text-primary:#f8fafc;--text-secondary:#94a3b8;--border-light:#334155}[data-theme=dark] .eng-search-input,[data-theme=dark] .eng-select,[data-theme=dark] .eng-th{color:#f8fafc;background-color:#1e293b}[data-theme=dark] .eng-search-input,[data-theme=dark] .eng-select{background-color:#334155}[data-theme=dark] .eng-tr{border-bottom-color:#334155}[data-theme=dark] .eng-btn-secondary{color:#f8fafc}[data-theme=dark] .eng-btn-secondary:hover{background-color:#334155}[data-theme=dark] .eng-badge{color:#f8fafc;background-color:#334155}[data-theme=dark] .eng-dropzone:hover{background-color:#334155}[data-theme=dark] .eng-alert-error{color:#fca5a5;background-color:#dc26261a;border-color:#dc262633}[data-theme=dark] .eng-alert-success{color:#86efac;background-color:#16a34a1a;border-color:#16a34a33}[data-theme=dark] .eng-modal-content{background-color:var(--bg-primary)}[data-theme=dark] .eng-modal-header,[data-theme=dark] .eng-dropzone{background-color:var(--bg-secondary)}[data-theme=dark] .eng-dropzone{border-color:var(--border-light)}[data-theme=dark] .eng-modal-close:hover{color:var(--text-primary)}[data-theme=dark] .eng-input,[data-theme=dark] .eng-textarea{background-color:var(--bg-secondary);color:var(--text-primary)}.markdown-content{color:var(--text-primary);word-break:break-word;line-height:1.7}.markdown-content>:first-child{margin-top:0}.markdown-content>:last-child{margin-bottom:0}.markdown-content h1,.markdown-content h2,.markdown-content h3,.markdown-content h4{margin:1.5rem 0 .75rem;font-weight:700;line-height:1.3}.markdown-content h1{font-size:1.5rem}.markdown-content h2{font-size:1.25rem}.markdown-content h3{font-size:1.1rem}.markdown-content h4{font-size:1rem}.markdown-content p{margin:.75rem 0}.markdown-content ul,.markdown-content ol{margin:.75rem 0;padding-left:1.5rem}.markdown-content li{margin:.35rem 0}.markdown-content blockquote{border-left:3px solid var(--primary-color);background:var(--bg-surface);color:var(--text-secondary);border-radius:0 6px 6px 0;margin:1rem 0;padding:.75rem 1rem}.markdown-content code{background:var(--bg-surface);border-radius:4px;padding:.15rem .35rem;font-size:.875em}.markdown-content pre{background:var(--bg-surface);border:1px solid var(--border-color);border-radius:8px;margin:1rem 0;padding:1rem;overflow-x:auto}.markdown-content pre code{background:0 0;padding:0}.markdown-content table{border-collapse:collapse;width:100%;margin:1rem 0;font-size:.9rem}.markdown-content th,.markdown-content td{border:1px solid var(--border-color);text-align:left;padding:.5rem .75rem}.markdown-content th{background:var(--bg-surface);font-weight:600}.markdown-content img{border-radius:8px;max-width:100%;height:auto;margin:1rem 0}.markdown-content hr{border:none;border-top:1px solid var(--border-color);margin:1.5rem 0}.markdown-content a{color:var(--primary-color);text-decoration:underline}.content-detail-view{flex-direction:column;height:100%;min-height:0;padding:.875rem 1.25rem 1rem;display:flex;overflow:hidden}.content-detail-header{border-bottom:1px solid var(--border-color);flex-shrink:0;margin-bottom:.625rem;padding-bottom:.625rem}.content-detail-nav-row{align-items:center;gap:.75rem;min-width:0;margin-bottom:.375rem;display:flex}.content-detail-back{color:var(--primary-color);cursor:pointer;white-space:nowrap;background:0 0;border:none;flex-shrink:0;padding:0;font-size:.75rem;font-weight:600}.content-detail-breadcrumb{flex-wrap:wrap;align-items:center;gap:.2rem;min-width:0;display:flex}.content-detail-breadcrumb-sep{color:var(--text-secondary);opacity:.45;-webkit-user-select:none;user-select:none;font-size:.625rem}.content-detail-breadcrumb-chip{background:var(--bg-input);border:1px solid var(--border-color);color:var(--text-secondary);white-space:nowrap;border-radius:999px;padding:.15rem .4rem;font-size:.625rem;font-weight:500}.content-detail-title-row{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:.75rem;display:flex}.content-detail-title{word-break:break-word;flex:1;min-width:0;margin:0;font-size:1.0625rem;font-weight:700;line-height:1.25}.content-detail-toolbar{flex-wrap:wrap;flex-shrink:0;align-items:center;gap:.375rem;display:flex}.content-detail-provider-label{color:var(--text-secondary);text-transform:uppercase;letter-spacing:.03em;margin-right:.125rem;font-size:.6875rem;font-weight:600}.content-detail-provider-select{border:1px solid var(--border-color);background:var(--bg-input);color:var(--text-primary);border-radius:6px;min-width:110px;padding:.35rem .5rem;font-size:.8125rem}.content-detail-body{flex-direction:column;flex:1;min-height:0;display:flex;overflow:hidden}.content-detail-main{flex-direction:column;gap:.5rem;height:100%;min-height:0;display:flex}.content-detail-controls-strip{background:var(--bg-surface);border:1px solid var(--border-color);border-radius:8px;flex-wrap:wrap;flex-shrink:0;justify-content:space-between;align-items:center;gap:.75rem;padding:.5rem .625rem;display:flex}.content-detail-controls-fields{flex-wrap:wrap;align-items:center;gap:.625rem;display:flex}.content-detail-field{align-items:center;gap:.375rem;display:flex}.content-detail-field label{color:var(--text-secondary);text-transform:uppercase;letter-spacing:.03em;white-space:nowrap;font-size:.6875rem;font-weight:600}.content-detail-field select{border:1px solid var(--border-color);background:var(--bg-input);color:var(--text-primary);border-radius:6px;min-width:140px;max-width:200px;padding:.3rem .5rem;font-size:.8125rem}.content-detail-meta{color:var(--text-secondary);flex-wrap:wrap;gap:.375rem;font-size:.75rem;display:flex}.content-detail-meta--inline{justify-content:flex-end}.content-detail-meta span{background:var(--bg-input);border:1px solid var(--border-color);color:var(--text-primary);white-space:nowrap;border-radius:4px;padding:.15rem .4rem}.content-detail-content-box{background:var(--bg-input);border:1px solid var(--border-color);white-space:pre-wrap;border-radius:8px;flex:1;min-height:0;padding:1rem 1.125rem;font-size:.9375rem;line-height:1.6;overflow-y:auto}@media (width<=768px){.content-detail-title-row{flex-direction:column;align-items:stretch}.content-detail-toolbar{width:100%}.content-detail-provider-select{flex:1}.content-detail-controls-strip{flex-direction:column;align-items:stretch}.content-detail-meta--inline{justify-content:flex-start}}.artifact-modal-overlay{z-index:1000;background:var(--bg-card);position:fixed;inset:0}.artifact-modal-panel{background:var(--bg-card);flex-direction:column;width:100%;height:100%;display:flex;overflow:hidden}.artifact-modal-header{border-bottom:1px solid var(--border-color);background:var(--bg-surface);flex-wrap:wrap;flex-shrink:0;justify-content:space-between;align-items:center;gap:1rem;padding:.625rem 1.25rem;display:flex}.artifact-modal-header h3{margin:0;font-size:1.0625rem;font-weight:600}.artifact-modal-meta{color:var(--text-secondary);font-size:.7rem}.artifact-modal-actions{flex-wrap:wrap;align-items:center;gap:.5rem;display:flex}.artifact-modal-body{flex:1;min-height:0;display:flex;overflow:hidden}.artifact-modal-iframe-wrap{background:#fff;flex:1;min-width:0}.artifact-modal-iframe-wrap iframe{border:none;width:100%;height:100%;display:block}.artifact-modal-fail-banner{background:#ef444414;border-bottom:1px solid #ef444433;flex-shrink:0;justify-content:space-between;align-items:center;gap:1rem;padding:.75rem 1.25rem;display:flex}.artifact-modal-right-rail{border-left:1px solid var(--border-color);background:var(--bg-surface);flex-direction:column;flex-shrink:0;width:340px;min-height:0;display:flex}.artifact-chat-panel{border-bottom:1px solid var(--border-color);flex-direction:column;flex:1;min-height:280px;display:flex}.artifact-chat-header{border-bottom:1px solid var(--border-color);flex-shrink:0;justify-content:space-between;align-items:center;gap:.5rem;padding:.625rem .875rem;display:flex}.artifact-chat-header h4{text-transform:uppercase;letter-spacing:.03em;color:var(--text-secondary);margin:0;font-size:.8125rem;font-weight:700}.artifact-chat-provider{align-items:center;gap:.375rem;display:flex}.artifact-chat-provider label{color:var(--text-secondary);text-transform:uppercase;font-size:.6875rem;font-weight:600}.artifact-chat-provider select{border:1px solid var(--border-color);background:var(--bg-input);color:var(--text-primary);border-radius:6px;padding:.25rem .4rem;font-size:.75rem}.artifact-chat-messages{flex-direction:column;flex:1;gap:.5rem;min-height:120px;padding:.75rem;display:flex;overflow-y:auto}.artifact-chat-empty{color:var(--text-secondary);margin:0;font-size:.75rem;line-height:1.5}.artifact-chat-message{border-radius:8px;padding:.5rem .625rem;font-size:.8125rem;line-height:1.45}.artifact-chat-message p{white-space:pre-wrap;word-break:break-word;margin:.25rem 0 0}.artifact-chat-message-label{text-transform:uppercase;letter-spacing:.04em;opacity:.7;font-size:.625rem;font-weight:700}.artifact-chat-message--user{background:var(--bg-input);border:1px solid var(--border-color);align-self:flex-end;max-width:95%}.artifact-chat-message--assistant{background:#f9731614;border:1px solid #f9731633;align-self:flex-start;max-width:95%}.artifact-chat-typing{color:var(--text-secondary);font-style:italic}.artifact-chat-input-row{border-top:1px solid var(--border-color);flex-shrink:0;align-items:flex-end;gap:.5rem;padding:.625rem .75rem;display:flex}.artifact-chat-input{resize:none;border:1px solid var(--border-color);background:var(--bg-input);color:var(--text-primary);border-radius:8px;flex:1;padding:.5rem .625rem;font-size:.8125rem;line-height:1.4}.artifact-chat-input:disabled{opacity:.65;cursor:not-allowed}.artifact-chat-validating-note{color:var(--primary-color);margin-top:.375rem;font-size:.6875rem;display:block}.artifact-modal-sidebar{border-top:none;border-left:none;flex-direction:column;flex-shrink:0;gap:.875rem;width:100%;max-height:42%;padding:.875rem 1rem;display:flex;overflow-y:auto}@media (width<=900px){.artifact-modal-body{flex-direction:column}.artifact-modal-right-rail{border-left:none;border-top:1px solid var(--border-color);width:100%;max-height:45%}.artifact-modal-sidebar{max-height:200px}}.curriculum-explorer{background:var(--bg-card);border:1px solid var(--border-color);border-radius:12px;gap:0;width:100%;height:100%;min-height:0;display:flex;overflow:hidden}.curriculum-explorer-tree{border-right:1px solid var(--border-color);background:var(--bg-surface);flex-direction:column;flex:0 0 min(340px,28vw);min-width:260px;max-width:400px;display:flex;overflow:hidden}.curriculum-explorer-tree-header{border-bottom:1px solid var(--border-color);flex-shrink:0;padding:1rem 1.125rem}.curriculum-explorer-tree-header h3{color:var(--text-primary);margin:0;font-size:.9375rem;font-weight:600}.curriculum-explorer-tree-header p{color:var(--text-secondary);margin:.25rem 0 0;font-size:.75rem}.curriculum-explorer-tree-body{flex:1;padding:.75rem;overflow:auto}.curriculum-explorer-tree-root{cursor:pointer;border-radius:6px;margin-bottom:.5rem;padding:.5rem .625rem;font-size:.875rem;font-weight:500;transition:background .15s,color .15s}.curriculum-explorer-tree-root:hover{background:var(--bg-input)}.curriculum-explorer-tree-root.is-selected{color:var(--primary-color);background:var(--bg-input);font-weight:600}.curriculum-explorer-center{background:var(--bg-card);flex-direction:column;flex:1;min-width:0;display:flex;overflow:hidden}.curriculum-explorer-center>*{flex:1;min-height:0;box-shadow:none!important;border:none!important;border-radius:0!important}.curriculum-explorer-sidebar{border-left:1px solid var(--border-color);background:var(--bg-surface);flex-direction:column;flex:0 0 260px;gap:1.25rem;min-width:240px;max-width:300px;padding:1.25rem;display:flex;overflow-y:auto}.curriculum-explorer-sidebar h3{word-break:break-word;margin:0 0 .5rem;font-size:1rem;font-weight:600;line-height:1.35}.curriculum-explorer-level-badge{letter-spacing:.03em;text-transform:uppercase;background:var(--bg-input);color:var(--text-secondary);border:1px solid var(--border-color);border-radius:4px;padding:.25rem .5rem;font-size:.6875rem;font-weight:600;display:inline-block}.curriculum-explorer-actions h4{letter-spacing:.04em;text-transform:uppercase;color:var(--text-secondary);margin:0 0 .625rem;font-size:.75rem;font-weight:700}.curriculum-explorer-actions{flex-direction:column;gap:.5rem;display:flex}.curriculum-explorer-action-btn{text-align:left;background:var(--bg-card);border:1px solid var(--border-color);cursor:pointer;color:var(--text-primary);border-radius:8px;align-items:center;gap:.5rem;padding:.625rem .75rem;font-size:.8125rem;font-weight:500;transition:background .15s,border-color .15s;display:flex}.curriculum-explorer-action-btn:hover{background:var(--bg-input);border-color:var(--primary-color)}.curriculum-explorer-action-btn.danger{color:#ef4444;background:#ef44440f;border-color:#ef444459}.curriculum-explorer-action-btn.danger:hover{background:#ef44441f}.explorer-tree-node-row{cursor:pointer;border-radius:6px;align-items:flex-start;gap:.375rem;padding:.375rem .5rem;font-size:.8125rem;transition:background .15s,color .15s;display:flex}.explorer-tree-node-row:hover{background:var(--bg-input)}.explorer-tree-node-row.is-selected{background:var(--bg-input);color:var(--primary-color)}.explorer-tree-node-toggle{width:1.25rem;height:1.25rem;color:var(--text-secondary);flex-shrink:0;justify-content:center;align-items:center;margin-top:.1rem;display:flex}.explorer-tree-node-icon{color:var(--text-secondary);flex-shrink:0;margin-top:.15rem}.explorer-tree-node-row.is-selected .explorer-tree-node-icon{color:var(--primary-color)}.explorer-tree-node-label{word-break:break-word;white-space:normal;flex:1;min-width:0;line-height:1.4}.explorer-tree-node-label.is-selected{font-weight:600}.explorer-tree-children{border-left:1px solid var(--border-color);margin-top:.125rem;margin-left:.875rem;padding-left:.625rem}.explorer-tree-empty{color:var(--text-secondary);margin-left:1.75rem;padding:.25rem 0;font-size:.75rem}@media (width<=1100px){.curriculum-explorer{flex-direction:column;overflow:auto}.curriculum-explorer-tree{border-right:none;border-bottom:1px solid var(--border-color);flex:none;max-width:none;max-height:280px}.curriculum-explorer-sidebar{border-left:none;border-top:1px solid var(--border-color);flex:none;max-width:none}}.copilot-workflow{border:1px solid var(--border-color);background:var(--bg-card);border-radius:12px;gap:0;height:100%;min-height:0;display:flex;overflow:hidden}.copilot-sidebar{border-right:1px solid var(--border-color);background:var(--bg-card);flex-direction:column;flex-shrink:0;width:260px;min-height:0;padding:1rem .75rem;display:flex}.copilot-sidebar-workflow{flex-shrink:0}.copilot-sidebar-history{border-top:1px solid var(--border-color);flex-direction:column;flex:1;min-height:0;margin-top:.75rem;padding-top:.75rem;display:flex}.copilot-sidebar-history-header{justify-content:space-between;align-items:center;gap:.5rem;margin-bottom:.5rem;padding:0 .25rem;display:flex}.copilot-sidebar-history-actions{gap:.35rem;display:flex}.copilot-sidebar-history-btn{width:28px;height:28px}.copilot-sidebar-history-new{border-radius:var(--radius-md);background:var(--btn-primary-bg);color:#fff;cursor:pointer;border:none;justify-content:center;align-items:center;width:28px;height:28px;display:inline-flex}.copilot-sidebar-history-list{flex-direction:column;flex:1;gap:.35rem;padding-right:.15rem;display:flex;overflow-y:auto}.copilot-sidebar-history-item{text-align:left;border:1px solid var(--border-color);border-radius:var(--radius-md);background:var(--bg-card);cursor:pointer;transition:border-color var(--transition-fast);padding:.55rem .65rem}.copilot-sidebar-history-item:hover{border-color:#c4b5fd}.copilot-sidebar-history-item.active{border-color:var(--btn-primary-bg);background:#ea580c0a}.copilot-sidebar-history-topic{color:var(--text-primary);white-space:nowrap;text-overflow:ellipsis;font-size:.8rem;font-weight:600;display:block;overflow:hidden}.copilot-sidebar-history-meta{color:var(--text-secondary);align-items:center;gap:.35rem;margin-top:.2rem;font-size:.68rem;display:flex}.copilot-sidebar-history-status{background:var(--bg-input);color:var(--text-secondary);border-radius:999px;margin-top:.25rem;padding:.1rem .4rem;font-size:.65rem;display:inline-block}.copilot-sidebar-history-status.status-images_ready{color:#1d4ed8;background:#dbeafe}.copilot-sidebar-history-status.status-content_ready{color:#166534;background:#dcfce7}.copilot-sidebar-history-empty{color:var(--text-secondary);text-align:center;padding:.75rem .5rem;font-size:.78rem}.copilot-sidebar-history-error{color:#b91c1c;margin-bottom:.35rem;padding:.35rem .5rem;font-size:.72rem}.copilot-image-text-editor{border:1px solid var(--border-color);border-radius:var(--radius-lg);background:var(--bg-input);flex-direction:column;gap:.75rem;margin-top:1rem;padding:1rem;display:flex}.copilot-image-text-hint{color:var(--text-secondary);margin:.35rem 0 0;font-size:.78rem}.copilot-sidebar-section-label{text-transform:uppercase;letter-spacing:.06em;color:var(--text-secondary);opacity:.85;padding:.4rem .75rem .5rem;font-size:.6rem;font-weight:700}.copilot-nav-badge{background:var(--bg-input);color:var(--text-secondary);text-transform:uppercase;letter-spacing:.03em;border-radius:10px;margin-left:auto;padding:.1rem .45rem;font-size:.6rem;font-weight:600}.copilot-nav-item.active .copilot-nav-badge{color:var(--btn-primary-bg);background:#ea580c26}.copilot-nav-check{color:#16a34a;margin-left:.25rem;font-size:.7rem}.copilot-refine-banner{color:#1d4ed8;background:#eff6ff;border-bottom:1px solid #bfdbfe;flex-shrink:0;padding:.6rem 1.5rem;font-size:.85rem;font-weight:500}.copilot-content-ready-banner{border-radius:var(--radius-md);color:#065f46;background:#ecfdf5;border:1px solid #a7f3d0;margin-bottom:1rem;padding:.75rem 1rem;font-size:.9rem;font-weight:500}.copilot-nav-item{cursor:pointer;color:var(--text-secondary);transition:all var(--transition-fast);border-left:3px solid #0000;align-items:center;gap:.75rem;padding:.75rem 1.25rem;display:flex}.copilot-nav-item:hover{background:var(--bg-input);color:var(--text-primary)}.copilot-nav-item.active{color:var(--btn-primary-bg);border-left-color:var(--btn-primary-bg);background:#ea580c0f;font-weight:600}.copilot-nav-item.disabled{opacity:.45;cursor:not-allowed;pointer-events:none}.copilot-main{flex-direction:column;flex:1;min-height:0;display:flex;overflow:hidden}.copilot-app{background:var(--bg-card);flex-direction:column;flex:1;min-height:0;display:flex;overflow:hidden}.copilot-app-header{border-bottom:1px solid var(--border-color);background:var(--bg-card);flex-wrap:wrap;flex-shrink:0;justify-content:space-between;align-items:center;gap:.75rem;padding:1.25rem 2rem;display:flex}.copilot-brand{align-items:center;gap:.75rem;min-width:0;display:flex}.copilot-brand-icon{color:var(--btn-primary-bg);flex-shrink:0}.copilot-brand-title{color:var(--text-primary);letter-spacing:-.02em;white-space:nowrap;margin:0;font-size:1.4rem;font-weight:700}.copilot-brand-title span{color:var(--btn-primary-bg)}.copilot-subject-tag{text-transform:uppercase;letter-spacing:.05em;background:var(--bg-input);color:var(--text-secondary);text-overflow:ellipsis;white-space:nowrap;border-radius:8px;max-width:180px;padding:.2rem .6rem;font-size:.7rem;font-weight:700;overflow:hidden}.copilot-header-right{flex-wrap:wrap;align-items:center;gap:.6rem;display:flex}.copilot-progress-pill{color:var(--text-secondary);background:var(--bg-input);border:1px solid var(--border-color);border-radius:999px;align-items:center;gap:.5rem;padding:.3rem .75rem;font-size:.75rem;font-weight:600;display:flex}.copilot-progress-pill-pct{color:var(--btn-primary-bg)}.copilot-user-greeting{background:var(--bg-input);border:1px solid var(--border-color);color:var(--text-secondary);border-radius:40px;align-items:center;gap:.75rem;padding:.4rem 1rem .4rem 1.2rem;display:flex}.copilot-user-name{color:var(--text-primary);font-size:.95rem;font-weight:600}.copilot-role-badge{background:color-mix(in srgb, var(--btn-primary-bg) 15%, var(--bg-card));color:var(--btn-primary-bg);border-radius:12px;padding:.15rem .6rem;font-size:.7rem;font-weight:600}.copilot-icon-btn{border:1px solid var(--border-color);color:var(--text-secondary);cursor:pointer;width:34px;height:34px;transition:all var(--transition-fast);background:0 0;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;display:flex}.copilot-icon-btn:hover{border-color:var(--btn-primary-bg);color:var(--btn-primary-bg)}.copilot-icon-btn--reset:hover{background:color-mix(in srgb, #ef4444 8%, var(--bg-card));color:#ef4444;border-color:#fca5a5}.copilot-chat-window{background:var(--bg-app);flex-direction:column;flex:1;gap:1rem;min-height:0;padding:1.5rem 2rem;display:flex;overflow-y:auto}.copilot-chat-window::-webkit-scrollbar{width:6px}.copilot-chat-window::-webkit-scrollbar-thumb{background:var(--border-color);border-radius:8px}.copilot-panel{flex-direction:column;flex:1;min-height:0;display:flex;overflow:hidden}.copilot-chat-box{background:var(--bg-app);border:none;border-radius:0;flex-direction:column;flex:1;gap:1rem;margin-bottom:0;padding:1.5rem 2rem;display:flex;overflow-y:auto}.copilot-message{gap:.75rem;max-width:85%;animation:.3s copilot-fade-in;display:flex}.copilot-message.user{flex-direction:row-reverse;align-self:flex-end}.copilot-message.ai{align-self:flex-start}.copilot-bubble{white-space:pre-wrap;word-break:break-word;border-radius:16px;max-width:100%;padding:.8rem 1.2rem;font-size:.95rem;line-height:1.6}.copilot-message.ai .copilot-bubble{background:var(--bg-card);border:1px solid var(--border-color);color:var(--text-primary);box-shadow:var(--shadow-sm)}.copilot-message.user .copilot-bubble{background:color-mix(in srgb, var(--btn-primary-bg) 12%, var(--bg-card));border:1px solid color-mix(in srgb, var(--btn-primary-bg) 28%, var(--border-color));color:var(--text-primary)}.copilot-message-text{white-space:pre-wrap}.copilot-json-collapse{border:1px solid var(--border-color);background:color-mix(in srgb, var(--bg-app) 60%, var(--bg-card));border-radius:10px;margin:.5rem 0 .15rem;overflow:hidden}.copilot-json-collapse-header{width:100%;color:var(--text-secondary);cursor:pointer;text-align:left;background:0 0;border:none;align-items:center;gap:.4rem;padding:.5rem .7rem;font-size:.82rem;font-weight:600;display:flex}.copilot-json-collapse-header:hover{color:var(--text-primary)}.copilot-json-collapse-caret{flex-shrink:0;transition:transform .15s}.copilot-json-collapse.open .copilot-json-collapse-caret{transform:rotate(90deg)}.copilot-json-collapse-body{border-top:1px solid var(--border-color);background:var(--bg-app);color:var(--text-primary);white-space:pre;max-height:340px;margin:0;padding:.7rem .9rem;font-size:.78rem;line-height:1.5;overflow:auto}.copilot-avatar{border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:36px;height:36px;display:flex}.copilot-message.ai .copilot-avatar{background:var(--btn-primary-bg);color:var(--btn-primary-text)}.copilot-message.user .copilot-avatar{background:var(--bg-input);color:var(--text-secondary);border:1px solid var(--border-color)}.copilot-typing-indicator{color:var(--text-secondary);align-items:center;gap:.4rem;padding:.25rem 0;font-size:.85rem;display:flex}.copilot-typing-dots{align-items:center;gap:.25rem;display:inline-flex}.copilot-typing-dots span{background:var(--border-color);border-radius:50%;width:8px;height:8px;animation:1.4s infinite both copilot-bounce;display:inline-block}.copilot-typing-dots span:nth-child(2){animation-delay:.2s}.copilot-typing-dots span:nth-child(3){animation-delay:.4s}@keyframes copilot-fade-in{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@keyframes copilot-bounce{0%,80%,to{transform:scale(0)}40%{transform:scale(1)}}@media (prefers-reduced-motion:reduce){.copilot-message,.copilot-typing-dots span{animation:none!important}}.copilot-progress{margin-bottom:1rem}.copilot-progress-bar{background:var(--bg-input);border-radius:999px;height:8px;overflow:hidden}.copilot-progress-fill{background:var(--btn-primary-bg);height:100%;transition:width var(--transition-normal)}.copilot-quick-replies,.copilot-inline-quick-replies{flex-wrap:wrap;gap:.5rem;margin-top:.6rem;display:flex}.copilot-input-area--selection-only input{opacity:.65;cursor:not-allowed;background:var(--bg-input)}.copilot-breadcrumb{color:var(--text-secondary,#64748b);border-top:1px solid var(--border-color);background:var(--bg-card);padding:.5rem 2rem 0;font-size:.8rem}.copilot-step-tracker{border-top:1px solid var(--border-color);background:var(--bg-card);flex-wrap:wrap;gap:.35rem;padding:.65rem 2rem .25rem;display:flex}.copilot-step-pill{border:1px solid var(--border-color);color:var(--text-secondary,#64748b);white-space:nowrap;border-radius:999px;padding:.2rem .55rem;font-size:.7rem}.copilot-step-pill--active{border-color:var(--btn-primary-bg);color:var(--btn-primary-bg);background:color-mix(in srgb, var(--btn-primary-bg) 8%, transparent);font-weight:600}.copilot-qr-btn{background:var(--bg-input);border:1px solid var(--border-color);color:var(--text-primary);cursor:pointer;border-radius:30px;padding:.4rem 1rem;font-size:.85rem;font-weight:500;transition:all .15s}.copilot-qr-btn:hover:not(:disabled){background:color-mix(in srgb, var(--btn-primary-bg) 10%, var(--bg-card));border-color:var(--btn-primary-bg);color:var(--btn-primary-bg)}.copilot-qr-btn:focus-visible{outline:3px solid var(--btn-primary-bg);outline-offset:2px}.copilot-qr-btn:disabled{opacity:.5;cursor:not-allowed}.copilot-chip{border:1px solid var(--border-color);background:var(--bg-card);cursor:pointer;transition:all var(--transition-fast);border-radius:999px;padding:.35rem .75rem;font-size:.8rem}.copilot-chip:hover{border-color:var(--btn-primary-bg);color:var(--btn-primary-bg)}.copilot-input-area{border-top:1px solid var(--border-color);background:var(--bg-card);flex-shrink:0;align-items:center;gap:.75rem;margin:0;padding:1rem 2rem 1.5rem;display:flex}.copilot-input-area input{border:1.5px solid var(--border-color);background:var(--bg-app);color:var(--text-primary);border-radius:40px;flex:1;padding:.75rem 1.2rem;font-size:.95rem;transition:border-color .2s,box-shadow .2s}.copilot-input-area input:focus{border-color:var(--btn-primary-bg);box-shadow:0 0 0 4px var(--ring-color);background:var(--bg-card);outline:none}.copilot-input-area input:disabled{opacity:.65;cursor:not-allowed}.copilot-send-btn{background:var(--btn-primary-bg);color:var(--btn-primary-text);cursor:pointer;border:none;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:48px;height:48px;transition:background .2s,transform .1s;display:flex}.copilot-send-btn:hover:not(:disabled){background:var(--btn-primary-hover)}.copilot-send-btn:active:not(:disabled){transform:scale(.95)}.copilot-send-btn:disabled{opacity:.45;cursor:not-allowed}.copilot-reset-btn{border:1px solid var(--border-color);color:var(--text-secondary);cursor:pointer;background:0 0;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:48px;height:48px;transition:all .2s;display:flex}.copilot-reset-btn:hover:not(:disabled){background:var(--bg-input);color:#ef4444;border-color:#fca5a5}.copilot-reset-btn:disabled{opacity:.45;cursor:not-allowed}.copilot-input-row{gap:.5rem;display:flex}.copilot-input-row input{border:1px solid var(--border-color);border-radius:var(--radius-md);background:var(--bg-input);color:var(--text-primary);flex:1;padding:.75rem 1rem}.copilot-lesson-grid{grid-template-columns:1fr 1fr;gap:1rem;display:grid;overflow-y:auto}.copilot-lesson-grid .full-width{grid-column:1/-1}.copilot-field label{color:var(--text-secondary);margin-bottom:.25rem;font-size:.8rem;font-weight:600;display:block}.copilot-field input,.copilot-field textarea,.copilot-field select{border:1px solid var(--border-color);border-radius:var(--radius-md);background:var(--bg-input);width:100%;color:var(--text-primary);padding:.6rem .75rem}.copilot-field.readonly input,.copilot-field.readonly textarea{opacity:.75;pointer-events:none}.copilot-tags{flex-wrap:wrap;gap:.35rem;margin-top:.35rem;display:flex}.copilot-tag{background:var(--bg-input);border-radius:999px;align-items:center;gap:.35rem;padding:.25rem .6rem;font-size:.8rem;display:flex}.copilot-carousel{border:1px solid var(--border-color);border-radius:var(--radius-lg);background:#f8fafc;position:relative;overflow:hidden}.copilot-carousel-frame{background:repeating-conic-gradient(#f1f5f9 0% 25%,#fff 0% 50%) 50%/20px 20px;justify-content:center;align-items:center;min-height:320px;max-height:min(70vh,560px);padding:1rem;display:flex;position:relative}.copilot-carousel-loading{z-index:1;background:#f8fafcd9;justify-content:center;align-items:center;display:flex;position:absolute;inset:0}.copilot-carousel-frame img,.copilot-carousel-image{object-fit:contain;border-radius:var(--radius-md);width:auto;max-width:100%;height:auto;max-height:min(68vh,520px);display:block;box-shadow:0 4px 24px #0f172a14}.copilot-carousel-placeholder{color:var(--text-secondary);text-align:center;padding:2rem;font-size:.9rem}.copilot-carousel-error-url{word-break:break-all;opacity:.7;margin:.5rem 0 1rem;font-size:.7rem}.copilot-carousel-caption{border-top:1px solid var(--border-color);background:var(--bg-card);padding:.75rem 1rem;font-size:.9rem}.copilot-image-type{color:var(--text-secondary);text-transform:capitalize;margin-top:.25rem;font-size:.75rem;display:block}.copilot-image-status{border-radius:999px;padding:.15rem .5rem;font-size:.75rem}.copilot-image-status.status-published{color:#166534;background:#dcfce7}.copilot-image-status.status-pending{color:#92400e;background:#fef3c7}.copilot-thumbnail-strip{gap:.5rem;margin-top:.75rem;padding-bottom:.25rem;display:flex;overflow-x:auto}.copilot-thumbnail{border-radius:var(--radius-md);background:var(--bg-card);cursor:pointer;border:2px solid #0000;flex-shrink:0;width:72px;height:72px;padding:2px;overflow:hidden}.copilot-thumbnail.active{border-color:var(--btn-primary-bg)}.copilot-thumbnail img,.copilot-thumbnail-image,.copilot-thumbnail img{object-fit:cover;border-radius:calc(var(--radius-md) - 2px);width:100%;height:100%;display:block}.copilot-carousel-nav{justify-content:center;align-items:center;gap:1rem;margin-top:1rem;display:flex}.copilot-nav-btn{background:var(--bg-input);cursor:pointer;border:none;border-radius:50%;justify-content:center;align-items:center;width:36px;height:36px;display:flex}.copilot-nav-btn:disabled{opacity:.4;cursor:not-allowed}.copilot-image-actions{justify-content:center;gap:.5rem;margin-top:1rem;display:flex}.copilot-primary-btn{border-radius:var(--radius-md);background:var(--btn-primary-bg);color:#fff;cursor:pointer;border:none;padding:.5rem 1rem}.copilot-primary-btn:disabled{opacity:.5;cursor:not-allowed}.copilot-secondary-btn{border:1px solid var(--border-color);border-radius:var(--radius-md);background:var(--bg-card);cursor:pointer;padding:.4rem .75rem}.copilot-secondary-btn:disabled{opacity:.5;cursor:not-allowed}.copilot-image-panel{padding:1.25rem 1.5rem;overflow-y:auto}.copilot-image-header{flex-wrap:wrap;flex-shrink:0;justify-content:space-between;align-items:center;gap:1rem;margin-bottom:1rem;display:flex}.copilot-image-header-actions{flex-wrap:wrap;gap:.5rem;display:flex}.copilot-image-body{flex:1;min-height:0;padding-bottom:1rem;overflow-y:auto}.copilot-history-panel{overflow-y:auto}.copilot-history-header{justify-content:space-between;align-items:flex-start;gap:1rem;margin-bottom:1rem;display:flex}.copilot-history-new-btn{border-radius:var(--radius-md);background:var(--btn-primary-bg);color:#fff;cursor:pointer;border:none;align-items:center;gap:.35rem;padding:.5rem .9rem;font-size:.85rem;display:inline-flex}.copilot-history-icon-btn{border:1px solid var(--border-color);border-radius:var(--radius-md);background:var(--bg-card);cursor:pointer;width:36px;height:36px;color:var(--text-secondary);justify-content:center;align-items:center;display:inline-flex}.copilot-history-list{flex-direction:column;gap:.65rem;display:flex}.copilot-history-card{text-align:left;border:1px solid var(--border-color);border-radius:var(--radius-lg);background:var(--bg-card);cursor:pointer;transition:border-color var(--transition-fast), box-shadow var(--transition-fast);padding:.9rem 1rem}.copilot-history-card:hover{border-color:#c4b5fd;box-shadow:0 2px 8px #0f172a0f}.copilot-history-card.active{border-color:var(--btn-primary-bg);background:#ea580c0a}.copilot-history-card-top{justify-content:space-between;align-items:center;gap:.75rem;display:flex}.copilot-history-topic{color:var(--text-primary);font-size:.95rem;font-weight:600}.copilot-history-date{color:var(--text-secondary);flex-shrink:0;align-items:center;gap:.25rem;font-size:.75rem;display:inline-flex}.copilot-history-preview{color:var(--text-secondary);margin:.4rem 0 0;font-size:.82rem;line-height:1.4}.copilot-history-meta{flex-wrap:wrap;align-items:center;gap:.5rem;margin-top:.55rem;display:flex}.copilot-history-status{background:var(--bg-input);color:var(--text-secondary);border-radius:999px;padding:.15rem .5rem;font-size:.72rem}.copilot-history-status.status-images_ready{color:#1d4ed8;background:#dbeafe}.copilot-history-status.status-content_ready{color:#166534;background:#dcfce7}.copilot-history-stat{color:var(--text-secondary);align-items:center;gap:.2rem;font-size:.75rem;display:inline-flex}.copilot-history-badge{background:color-mix(in srgb, var(--btn-primary-bg) 15%, var(--bg-card));color:var(--btn-primary-bg);border-radius:999px;padding:.15rem .5rem;font-size:.72rem}.copilot-history-empty{text-align:center;color:var(--text-secondary);padding:3rem 1rem}.copilot-history-error{border-radius:var(--radius-md);color:#b91c1c;background:#fef2f2;margin-bottom:1rem;padding:.75rem 1rem;font-size:.85rem}.copilot-spin{animation:.8s linear infinite copilot-spin}@keyframes copilot-spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.copilot-checklist{color:var(--text-secondary);background:var(--bg-card);border-top:1px solid var(--border-color);padding:0 2rem .75rem;font-size:.8rem}.copilot-checklist .done{color:#16a34a}@media (width<=900px){.copilot-workflow{flex-direction:column}.copilot-sidebar{border-right:none;border-bottom:1px solid var(--border-color);flex-direction:column;width:100%;max-height:40vh;display:flex}.copilot-sidebar-workflow{display:flex;overflow-x:auto}.copilot-sidebar-history{display:none}.copilot-nav-item{white-space:nowrap;border-bottom:3px solid #0000;border-left:none}.copilot-nav-item.active{border-bottom-color:var(--btn-primary-bg)}.copilot-lesson-grid{grid-template-columns:1fr}.copilot-app-header{padding:1rem}.copilot-brand-title{font-size:1.1rem}.copilot-chat-window{padding:1rem}.copilot-message{max-width:95%}.copilot-input-area{padding:.75rem 1rem}.copilot-qr-btn{padding:.3rem .7rem;font-size:.75rem}.copilot-user-greeting{display:none}}.teacher-layout-shell{background-color:var(--bg-app,#fdfbf7);flex-direction:column;min-height:100vh;display:flex}.teacher-topbar{border-bottom:1px solid var(--border-color,#e7e5e4);z-index:50;background-color:#fff;justify-content:space-between;align-items:center;padding:.75rem 1.5rem;display:flex;position:relative}.teacher-brand{color:var(--text-primary,#1c1917);align-items:center;gap:.5rem;font-size:1.25rem;font-weight:700;text-decoration:none;display:flex}.teacher-brand-icon{color:var(--btn-primary-bg)}.profile-section{align-items:center;gap:.5rem;display:flex}.dropdown-container{position:relative}.dropdown-trigger{cursor:pointer;color:var(--text-primary,#1c1917);background:0 0;border:1px solid #0000;border-radius:.375rem;align-items:center;gap:.5rem;padding:.5rem .75rem;font-size:.875rem;font-weight:500;transition:all .2s;display:flex}.dropdown-trigger:hover,.dropdown-trigger[aria-expanded=true]{border-color:var(--border-color,#e7e5e4);background-color:#f9fafb}.dropdown-menu{z-index:100;background-color:#fff;border:1px solid #f3f4f6;border-radius:.375rem;width:14rem;margin-top:.5rem;position:absolute;top:100%;right:0;overflow:hidden;box-shadow:0 10px 15px -3px #0000001a,0 4px 6px -2px #0000000d}.dropdown-item{color:var(--text-secondary,#78716c);cursor:pointer;text-align:left;background:0 0;border:none;align-items:center;gap:.75rem;width:100%;padding:.75rem 1rem;font-size:.875rem;font-weight:500;text-decoration:none;transition:all .2s;display:flex}.dropdown-item:hover,.dropdown-item.active{color:#1d4ed8;background-color:#f9fafb}.dropdown-item .icon{width:1.15rem;height:1.15rem}.logout-btn{color:#ef4444;cursor:pointer;background:0 0;border:none;border-radius:.375rem;align-items:center;gap:.5rem;padding:.5rem .75rem;font-size:.875rem;font-weight:500;transition:background-color .2s;display:flex}.logout-btn:hover{background-color:#fef2f2}.teacher-main-content{flex-direction:column;flex:1;display:flex}.curriculum-wizard-container{--bg:#f6f7f9;--ink:#161922;--ink-soft:#6b7280;--ink-faint:#9aa1ac;--card:#fff;--border:#e5e7eb;--vocab:#1e8e5a;--vocab-tint:#eaf7ef;--idiom:#1e8e5a;--idiom-tint:#eaf7ef;--write:#1e8e5a;--write-tint:#eaf7ef;--lit:#1e8e5a;--lit-tint:#eaf7ef;--good:#1e8e5a;--good-tint:#eaf7ef;--bad:#c2402f;--bad-tint:#fbeeec;--warn:#b45309;--warn-tint:#fffbeb;--radius-lg:14px;--radius-md:10px;--radius-sm:7px;--shadow:0 1px 2px #0f11170a,0 1px 8px #0f11170d;--focus:2px solid var(--write);background:var(--bg);min-height:100%;color:var(--ink);font-size:15.5px;line-height:1.6}.curriculum-wizard-container h1,.curriculum-wizard-container h2,.curriculum-wizard-container h3,.curriculum-wizard-container h4{letter-spacing:-.01em;font-weight:600}.curriculum-wizard-container button,.curriculum-wizard-container select,.curriculum-wizard-container input{font-size:inherit}.cw-shell{min-height:calc(100vh - 65px);display:flex}.cw-sidebar{background:var(--card);border-right:1px solid var(--border);flex-direction:column;flex-shrink:0;gap:0;width:300px;padding:20px 16px;display:flex}.cw-main{flex:1;min-width:0;max-width:860px;padding:36px 52px 100px}.cw-brand{align-items:center;gap:9px;margin-bottom:28px;font-size:16px;font-weight:700;display:flex}.cw-brand .mark{background:var(--write);color:#fff;border-radius:8px;flex-shrink:0;justify-content:center;align-items:center;width:28px;height:28px;font-size:13px;font-weight:700;display:flex}.wizard-nav{flex-direction:column;gap:2px;display:flex}.nav-item{border-radius:var(--radius-md);cursor:pointer;text-align:left;background:0 0;border:none;align-items:flex-start;gap:12px;width:100%;padding:10px;transition:background .12s;display:flex}.nav-item:hover{background:var(--bg)}.nav-item.active{background:var(--write-tint)}.nav-item.done{opacity:.7}.step-bubble{border:2px solid var(--border);width:28px;height:28px;color:var(--ink-faint);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;margin-top:1px;font-size:12px;font-weight:600;transition:all .15s;display:flex}.nav-item.active .step-bubble{border-color:var(--write);background:var(--write);color:#fff}.nav-item.done .step-bubble{border-color:var(--good);background:var(--good);color:#fff;font-size:14px}.nav-text .label{color:var(--ink);font-size:13.5px;font-weight:600}.nav-text .sub{color:var(--ink-faint);margin-top:1px;font-size:11.5px}.nav-item.active .nav-text .label{color:var(--write)}.nav-divider{background:var(--border);height:1px;margin:14px 0}.sidebar-footer{margin-top:auto;padding-top:20px}.sf-label{text-transform:uppercase;letter-spacing:.05em;color:var(--ink-faint);margin-bottom:8px;font-size:11px;font-weight:700}.plan-chip{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-md);padding:10px 12px;font-size:13px}.plan-chip .pc-row{justify-content:space-between;align-items:center;margin-bottom:3px;display:flex}.plan-chip .pc-key{color:var(--ink-faint);font-size:12px}.plan-chip .pc-val{font-size:13px;font-weight:600}.page-eyebrow{text-transform:uppercase;letter-spacing:.06em;color:var(--ink-faint);margin-bottom:6px;font-size:11.5px;font-weight:700}.page-title{margin-bottom:4px;font-size:26px;font-weight:700}.page-sub{color:var(--ink-soft);margin-bottom:28px;font-size:14.5px}.step-bar{align-items:center;gap:0;margin-bottom:36px;padding-bottom:24px;display:flex;position:relative}.sb-step{flex:1;align-items:center;gap:0;display:flex}.sb-dot{border:2px solid var(--border);background:var(--card);width:32px;height:32px;color:var(--ink-faint);z-index:1;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-size:13px;font-weight:600;transition:all .2s;display:flex;position:relative}.sb-step.active .sb-dot{border-color:var(--write);background:var(--write);color:#fff;box-shadow:0 0 0 4px #5547d61f}.sb-step.done .sb-dot{border-color:var(--good);background:var(--good);color:#fff}.sb-label{color:var(--ink-faint);white-space:nowrap;font-size:10.5px;font-weight:600;position:absolute;top:38px;left:50%;transform:translate(-50%)}.sb-step.active .sb-label{color:var(--write)}.sb-step.done .sb-label{color:var(--good)}.sb-line{background:var(--border);flex:1;height:2px;margin:0 2px;transition:background .2s}.sb-step.done+.sb-step .sb-line-before,.sb-line.done{background:var(--good)}.sb-line-wrap{flex:1;align-items:center;display:flex;position:relative}.form-section{background:var(--card);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow);margin-bottom:16px;padding:22px 24px}.form-section h3{color:var(--ink);margin-bottom:14px;font-size:15px}.field-grid{grid-template-columns:1fr 1fr;gap:14px;display:grid}.field-grid.three{grid-template-columns:1fr 1fr 1fr}.field-grid.full .field{grid-column:1/-1}@media (width<=680px){.writing-row{flex-direction:column;align-items:flex-start;gap:8px}.wr-fields{flex-direction:column;width:100%}}.week-preview{background:var(--card);border:1.5px solid var(--border);border-radius:var(--radius-md);flex-direction:column;gap:8px;padding:12px 14px;display:flex}.wp-head{border-bottom:1px solid var(--border);text-transform:uppercase;color:var(--ink-faint);letter-spacing:.05em;grid-template-columns:60px 1fr 60px;gap:12px;padding-bottom:8px;font-size:11px;font-weight:700;display:grid}.wp-row{border-bottom:1px dashed var(--border);grid-template-columns:60px 1fr 60px;align-items:center;gap:12px;padding:8px 0;display:grid}.wp-row:last-child{border-bottom:none;padding-bottom:0}.words{flex-wrap:wrap;gap:6px;display:flex}.word-tag.more{background:var(--paper-subtle);color:var(--ink-soft)}.field{flex-direction:column;gap:6px;display:flex}.field label{text-transform:uppercase;letter-spacing:.04em;color:var(--ink-soft);font-size:12px;font-weight:700}.field select,.field input[type=text],.field input[type=date],.field input[type=number],.wr-select{border:1.5px solid var(--border);border-radius:var(--radius-sm);color:var(--ink);background:var(--bg);padding:10px 12px;font-size:14.5px;transition:all .15s}.field select,.picker-filter,.wr-select{appearance:none;cursor:pointer;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%236B7280'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E");background-position:right 12px center;background-repeat:no-repeat;background-size:16px;padding-right:40px}.field select:hover,.field input:hover,.picker-filter:hover,.wr-select:hover{border-color:var(--ink-faint)}.field select:focus,.field input:focus,.wr-select:focus,.picker-filter:focus{border-color:var(--write);background:#fff;outline:none;box-shadow:0 0 0 3px #5547d61a}.field select:disabled,.wr-select:disabled,.picker-filter:disabled{opacity:.6;cursor:not-allowed;background-color:var(--bg)}.field .hint{color:var(--ink-faint);font-size:11.5px}.field .error-msg{color:var(--bad);font-size:12px;font-weight:600;display:none}.field.has-error input,.field.has-error select{border-color:var(--bad);background:var(--bad-tint)}.field.has-error .error-msg{display:block}.calc-row{gap:12px;margin-top:16px;display:flex}.calc-tile{background:var(--write-tint);border-radius:var(--radius-md);border:1px solid #d9d4f7;flex:1;padding:14px 16px}.calc-tile .ct-label{text-transform:uppercase;letter-spacing:.04em;color:var(--write);opacity:.7;font-size:11px;font-weight:700}.calc-tile .ct-val{color:var(--write);margin-top:2px;font-size:28px;font-weight:700;line-height:1.1}.calc-tile .ct-unit{color:var(--write);opacity:.7;font-size:12px}.option-cards{grid-template-columns:1fr 1fr;gap:12px;margin-top:16px;display:grid}@media (width<=680px){.option-cards{grid-template-columns:1fr}}.option-card{border:2px solid var(--border);border-radius:var(--radius-lg);cursor:pointer;text-align:left;background:var(--card);padding:16px 18px;transition:border-color .15s,background .15s;position:relative}.option-card:hover{border-color:var(--ink-faint)}.option-card.selected{border-color:var(--write);background:var(--write-tint)}.option-card .oc-icon{margin-bottom:8px;font-size:22px}.option-card .oc-title{margin-bottom:4px;font-size:14px;font-weight:600}.option-card .oc-desc{color:var(--ink-soft);font-size:13px;line-height:1.45}.option-card .oc-radio{border:2px solid var(--border);border-radius:50%;justify-content:center;align-items:center;width:18px;height:18px;display:flex;position:absolute;top:14px;right:14px}.option-card.selected .oc-radio{border-color:var(--write);background:var(--write)}.option-card.selected .oc-radio:after{content:"";background:#fff;border-radius:50%;width:8px;height:8px}.warn-banner{background:var(--warn-tint);border-radius:var(--radius-md);color:var(--warn);border:1px solid #fde68a;align-items:flex-start;gap:10px;margin-top:12px;padding:12px 14px;font-size:13.5px;display:flex}.warn-banner .wic{flex-shrink:0;margin-top:1px;font-size:16px}.warn-banner b{font-weight:700}.week-preview{background:var(--card);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow);margin-top:16px;overflow:hidden}.wp-head{background:var(--bg);border-bottom:1px solid var(--border);grid-template-columns:56px 1fr 1fr;display:grid}.wp-head-cell{text-transform:uppercase;letter-spacing:.04em;color:var(--ink-faint);padding:8px 14px;font-size:11px;font-weight:700}.wp-row{border-bottom:1px solid var(--border);grid-template-columns:56px 1fr 1fr;align-items:center;transition:background .1s;display:grid}.wp-row:last-child{border-bottom:none}.wp-row:hover{background:var(--bg)}.wp-cell{padding:9px 14px;font-size:13px}.wp-cell.wk{color:var(--ink-faint);font-size:12px;font-weight:600}.wp-cell .words{flex-wrap:wrap;gap:4px;display:flex}.word-tag{background:var(--vocab-tint);color:var(--vocab);border-radius:999px;padding:2px 8px;font-size:11px;font-weight:600}.word-tag.idiom{background:var(--idiom-tint);color:var(--idiom)}.word-tag.lit{background:var(--lit-tint);color:var(--lit)}.word-tag.more{color:var(--ink-faint);background:#efeff2}.wp-more{text-align:center;color:var(--write);cursor:pointer;background:var(--bg);border-top:1px solid var(--border);padding:10px;font-size:12.5px;font-weight:600}.wp-more:hover{background:var(--write-tint)}.picker-toolbar{flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:12px;display:flex}.picker-search{border:1.5px solid var(--border);border-radius:var(--radius-sm);background:var(--bg);flex:1;min-width:200px;padding:9px 12px;font-size:13.5px}.picker-search:focus{border-color:var(--write);background:#fff;outline:none;box-shadow:0 0 0 3px #5547d61a}.picker-search:hover{border-color:var(--ink-faint)}.picker-filter{border:1.5px solid var(--border);border-radius:var(--radius-sm);background:var(--bg);padding:9px 12px;font-size:13.5px;transition:all .15s}.word-bank{grid-template-columns:repeat(3,1fr);gap:8px;max-height:260px;padding-right:4px;display:grid;overflow-y:auto}@media (width<=680px){.word-bank{grid-template-columns:repeat(2,1fr)}}.word-bank::-webkit-scrollbar{width:5px}.word-bank::-webkit-scrollbar-track{background:0 0}.word-bank::-webkit-scrollbar-thumb{background:#dde1e6;border-radius:99px}.bank-word{border:1.5px solid var(--border);border-radius:var(--radius-sm);cursor:pointer;background:var(--card);align-items:center;gap:7px;padding:8px 10px;font-size:12.5px;transition:all .12s;display:flex}.bank-word:hover{border-color:var(--vocab);background:var(--vocab-tint)}.bank-word.selected{border-color:var(--vocab);background:var(--vocab-tint);color:var(--vocab)}.bank-word .bw-check{border:2px solid var(--border);border-radius:4px;flex-shrink:0;justify-content:center;align-items:center;width:16px;height:16px;font-size:10px;display:flex}.bank-word.selected .bw-check{background:var(--vocab);border-color:var(--vocab);color:#fff}.bank-word .bw-label{font-weight:600}.bank-word .bw-lvl{color:var(--ink-faint);margin-left:auto;font-size:9.5px;font-weight:700}.selected-count{color:var(--ink-soft);margin-top:8px;font-size:12.5px}.selected-count b{color:var(--ink)}.device-list{flex-direction:column;gap:8px;max-height:350px;padding-right:4px;display:flex;overflow-y:auto}.device-list::-webkit-scrollbar{width:5px}.device-list::-webkit-scrollbar-track{background:0 0}.device-list::-webkit-scrollbar-thumb{background:#dde1e6;border-radius:99px}.device-row{border:1.5px solid var(--border);border-radius:var(--radius-md);cursor:pointer;background:var(--card);align-items:flex-start;gap:12px;padding:14px 16px;transition:all .12s;display:flex}.device-row:hover,.device-row.selected{border-color:var(--vocab);background:var(--vocab-tint)}.dr-check{border:2px solid var(--border);border-radius:4px;flex-shrink:0;justify-content:center;align-items:center;width:18px;height:18px;margin-top:2px;font-size:11px;display:flex}.device-row.selected .dr-check{background:var(--vocab);border-color:var(--vocab);color:#fff}.dr-content{flex-direction:column;gap:4px;display:flex}.dr-name{color:var(--ink);font-size:14px;font-weight:700}.dr-def{color:var(--ink-soft);font-size:13px;line-height:1.4}.device-row.selected .dr-name{color:var(--vocab)}.review-grid{grid-template-columns:1fr 1fr;gap:14px;margin-bottom:20px;display:grid}@media (width<=680px){.review-grid{grid-template-columns:1fr}}.review-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow);padding:16px 18px;position:relative}.review-card .rc-type{align-items:center;gap:8px;margin-bottom:10px;display:flex}.review-card .rc-ic{border-radius:var(--radius-sm);justify-content:center;align-items:center;width:32px;height:32px;font-size:15px;display:flex}.review-card .rc-title{font-size:14px;font-weight:600}.review-card .rc-stat{font-size:24px;font-weight:700;line-height:1}.review-card .rc-sub{color:var(--ink-faint);margin-top:3px;font-size:12px}.review-card .edit-link{color:var(--write);cursor:pointer;background:0 0;border:none;padding:0;font-size:12px;font-weight:700;position:absolute;top:14px;right:14px}.review-card .edit-link:hover{text-decoration:underline}.review-card.vocab .rc-ic{background:var(--vocab-tint);color:var(--vocab)}.review-card.idiom .rc-ic{background:var(--idiom-tint);color:var(--idiom)}.review-card.lit .rc-ic{background:var(--lit-tint);color:var(--lit)}.review-card.setup .rc-ic{background:var(--write-tint);color:var(--write)}.review-total{background:var(--ink);border-radius:var(--radius-lg);color:#fff;justify-content:space-between;align-items:center;margin-bottom:20px;padding:18px 22px;display:flex}.review-total .rt-label{opacity:.65;font-size:13px}.review-total .rt-val{font-size:30px;font-weight:700}.review-total .rt-sub{opacity:.5;margin-top:2px;font-size:12px}.publish-note{background:var(--good-tint);border-radius:var(--radius-md);color:#155724;border:1px solid #bfe3cd;align-items:flex-start;gap:10px;margin-bottom:20px;padding:14px 16px;font-size:13.5px;display:flex}.publish-note .pn-ic{flex-shrink:0;margin-top:1px;font-size:16px}.cw-btn{border-radius:var(--radius-sm);cursor:pointer;border:1.5px solid var(--border);background:var(--card);color:var(--ink);align-items:center;gap:7px;padding:10px 20px;font-size:13.5px;font-weight:600;transition:all .12s;display:inline-flex}.cw-btn:hover{border-color:var(--ink-faint)}.cw-btn:focus-visible{outline:var(--focus);outline-offset:2px}.cw-btn:disabled{opacity:.4;cursor:not-allowed}.cw-btn.primary{background:var(--write);color:#fff;border-color:var(--write)}.cw-btn.primary:hover:not(:disabled){background:#4438c4}.cw-btn.publish{background:var(--good);color:#fff;border-color:var(--good);padding:12px 28px;font-size:14.5px}.cw-btn.publish:hover{background:#167a4b}.cw-btn.ghost{background:0 0;border-color:#0000}.cw-btn.ghost:hover{background:var(--bg)}.success-screen{text-align:center;padding:48px 24px}.success-screen .ss-icon{margin-bottom:14px;font-size:52px;display:block}.success-screen h2{margin-bottom:8px;font-size:26px}.success-screen p{color:var(--ink-soft);max-width:440px;margin:0 auto 28px;font-size:15px}.confetti-bar{justify-content:center;gap:8px;margin-bottom:32px;display:flex}.confetti-bar span{border-radius:5px;width:10px;height:36px;animation:1.2s ease-in-out infinite alternate cfetti;display:inline-block}.confetti-bar span:first-child{background:var(--vocab);animation-delay:0s}.confetti-bar span:nth-child(2){background:var(--write);animation-delay:.1s}.confetti-bar span:nth-child(3){background:var(--idiom);animation-delay:.2s}.confetti-bar span:nth-child(4){background:var(--lit);animation-delay:.3s}.confetti-bar span:nth-child(5){background:var(--good);animation-delay:.4s}.confetti-bar span:nth-child(6){background:var(--vocab);animation-delay:.15s}@keyframes cfetti{0%{transform:scaleY(.5)}to{transform:scaleY(1.4)}}.tag{text-transform:uppercase;letter-spacing:.04em;border-radius:5px;align-items:center;padding:3px 9px;font-size:11px;font-weight:700;display:inline-flex}.tag.draft{color:var(--ink-faint);background:#efeff2}.tag.active{background:var(--good-tint);color:var(--good)}.info-note{color:var(--ink-soft);background:var(--bg);border-radius:var(--radius-sm);border:1px solid var(--border);align-items:flex-start;gap:8px;padding:10px 12px;font-size:13px;display:flex}.teacher-session-shell{color:#161922;background:#f6f7f9;min-height:100vh;display:flex}.teacher-session-sidebar{background:#fff;border-right:1px solid #e5e7eb;flex-shrink:0;width:308px;padding:18px 14px;overflow-y:auto}.teacher-session-main{flex:1;min-width:0;max-width:980px;padding:30px 44px 90px}.sb-section{border:1px solid #0000;border-radius:10px;margin-bottom:6px;overflow:hidden}.sb-section.open{background:#f6f7f9;border-color:#e5e7eb}.sb-head{text-align:left;cursor:pointer;background:0 0;border:none;border-radius:10px;align-items:center;gap:10px;width:100%;padding:10px;display:flex}.sb-head:hover{background:#f6f7f9}.sb-head .ic{border-radius:7px;flex-shrink:0;justify-content:center;align-items:center;width:30px;height:30px;font-size:15px;display:flex}.sb-section[data-key=vocab] .sb-head .ic{color:#0e8e82;background:#ecfbf8}.sb-section[data-key=idiom] .sb-head .ic{color:#d9622a;background:#fdf1e9}.sb-section[data-key=literary] .sb-head .ic{color:#b23368;background:#fbeef3}.sb-head .info{flex:1;min-width:0}.sb-head .lbl{color:#161922;font-size:13.5px;font-weight:600;display:block}.sb-head .prog-txt{color:#9aa1ac;margin-top:3px;font-size:10.5px;display:block}.sb-list{margin:0;padding:2px 4px 8px;list-style:none;display:none}.sb-section.open .sb-list{display:block}.sb-item{cursor:pointer;color:#6b7280;border-radius:7px;align-items:center;gap:8px;padding:7px 8px;font-size:12.5px;display:flex}.sb-item:hover{background:#fff}.sb-item.current{color:#161922;background:#fff;font-weight:600;box-shadow:0 1px 2px #0f11170a,0 1px 8px #0f11170d}.sb-item .num{color:#9aa1ac;background:#e9eaed;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:17px;height:17px;font-size:9.5px;font-weight:700;display:flex}.sb-item.done .num{color:#fff;background:#1e8e5a}.sb-item .t{text-overflow:ellipsis;white-space:nowrap;flex:1;min-width:0;overflow:hidden}.lesson-head{align-items:center;gap:10px;margin-bottom:4px;display:flex}.lesson-head .typeic{border-radius:7px;justify-content:center;align-items:center;width:34px;height:34px;font-size:16px;display:flex}.lesson-head[data-key=vocab] .typeic{color:#0e8e82;background:#ecfbf8}.lesson-head[data-key=idiom] .typeic{color:#d9622a;background:#fdf1e9}.lesson-head[data-key=literary] .typeic{color:#b23368;background:#fbeef3}.lesson-head h2{margin:0;font-size:21px;font-weight:600}.lesson-meta{flex-wrap:wrap;align-items:center;gap:8px;margin:8px 0 22px;display:flex}.pill{color:#6b7280;background:#efeff2;border-radius:999px;padding:3px 11px;font-size:11.5px;font-weight:600}.card-grid{grid-template-columns:repeat(3,1fr);gap:14px;margin-bottom:24px;display:grid}@media (width<=980px){.card-grid{grid-template-columns:repeat(2,1fr)}}.action-bar{flex-wrap:wrap;align-items:center;gap:10px;margin-top:20px;display:flex}.btn{cursor:pointer;color:#161922;background:#fff;border:1px solid #e5e7eb;border-radius:7px;padding:9px 18px;font-size:13.5px;font-weight:600}.btn:hover{border-color:#9aa1ac}.btn.primary{color:#fff;background:#5547d6;border-color:#5547d6}.btn.done{color:#fff;background:#1e8e5a;border-color:#1e8e5a}.topbar-controls{flex-wrap:wrap;align-items:center;gap:14px;margin-bottom:16px;display:flex}.grade-select{color:#6b7280;align-items:center;gap:6px;font-size:12px;font-weight:600;display:flex}.role-switch{background:#efeff2;border-radius:999px;gap:2px;margin-bottom:16px;padding:2px;display:flex}.role-switch button{cursor:pointer;color:#6b7280;background:0 0;border:none;border-radius:999px;padding:6px 13px;font-size:12px;font-weight:600}.role-switch button.active{color:#161922;background:#fff;box-shadow:0 1px 2px #0f11170a,0 1px 8px #0f11170d}.english-module{--bg:#f8fafc;--ink:#0f172a;--ink-soft:#475569;--ink-faint:#94a3b8;--card:#ffffffe6;--border:#e2e8f0;--vocab:#0e8e82;--vocab-tint:#ecfbf8;--idiom:#d9622a;--idiom-tint:#fdf1e9;--write:#5547d6;--write-tint:#f0eefc;--lit:#b23368;--lit-tint:#fbeef3;--good:#10b981;--good-tint:#ecfdf5;--bad:#ef4444;--bad-tint:#fef2f2;--radius-lg:16px;--radius-md:12px;--radius-sm:8px;--shadow-sm:0 1px 2px #0f172a0a, 0 1px 8px #0f172a08;--shadow-md:0 4px 6px -1px #0f172a0d, 0 2px 4px -2px #0f172a0d;--shadow-lg:0 10px 15px -3px #0f172a0d, 0 4px 6px -4px #0f172a05;--shadow-glow:0 0 15px #5547d626;--focus:2px solid var(--write);--transition-spring:transform .4s cubic-bezier(.175, .885, .32, 1.275);--transition-smooth:all .2s cubic-bezier(.4, 0, .2, 1);background:var(--bg);color:var(--ink);min-height:100vh;font-size:15.5px;line-height:1.6}.english-module *{box-sizing:border-box}.english-module h1,.english-module h2,.english-module h3,.english-module .display{letter-spacing:-.01em;color:var(--ink);font-weight:600}.english-module button{font-size:inherit}.english-module a{color:var(--write);text-decoration:none}.english-module .shell{min-height:calc(100vh - 64px);display:flex}.english-module .sidebar{-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-right:1px solid var(--border);background:#ffffffb3;flex-shrink:0;width:308px;padding:18px 14px;overflow-y:auto}.english-module .main{flex:1;min-width:0;max-width:980px;padding:30px 44px 90px}.english-module .topbar{justify-content:space-between;align-items:center;margin-bottom:20px;padding:0 4px;display:flex}.english-module .brand{color:var(--ink);align-items:center;gap:9px;font-size:16px;font-weight:700;display:flex}.english-module .brand .mark{background:var(--write);color:#fff;border-radius:7px;justify-content:center;align-items:center;width:26px;height:26px;font-size:13px;font-weight:700;display:flex}.english-module .sb-section{border-radius:var(--radius-md);border:1px solid #0000;margin-bottom:6px;overflow:hidden}.english-module .sb-section.open{border-color:var(--border);background:var(--bg)}.english-module .sb-head{text-align:left;cursor:pointer;border-radius:var(--radius-md);background:0 0;border:none;align-items:center;gap:10px;width:100%;padding:10px;display:flex}.english-module .sb-head:hover{background:var(--bg)}.english-module .sb-head .ic{border-radius:var(--radius-sm);flex-shrink:0;justify-content:center;align-items:center;width:30px;height:30px;font-size:15px;display:flex}.english-module .sb-section[data-key=vocab] .sb-head .ic{background:var(--vocab-tint);color:var(--vocab)}.english-module .sb-section[data-key=idiom] .sb-head .ic{background:var(--idiom-tint);color:var(--idiom)}.english-module .sb-section[data-key=literary] .sb-head .ic{background:var(--lit-tint);color:var(--lit)}.english-module .sb-section[data-key=writing] .sb-head .ic{background:var(--write-tint);color:var(--write)}.english-module .sb-section[data-key=comprehension] .sb-head .ic{background:var(--good-tint);color:var(--good)}.english-module .sb-head .info{flex:1;min-width:0}.english-module .sb-head .lbl{color:var(--ink);font-size:13.5px;font-weight:600;display:block}.english-module .sb-list{margin:0;padding:2px 4px 8px;list-style:none;overflow:hidden}.english-module .sb-item{border-radius:var(--radius-sm);cursor:pointer;color:var(--ink-soft);transition:var(--transition-smooth);align-items:center;gap:8px;padding:7px 8px;font-size:12.5px;display:flex}.english-module .sb-item:hover{color:var(--ink);background:#fffc}.english-module .sb-item.current{background:var(--card);color:var(--write);box-shadow:var(--shadow-sm);font-weight:600}.english-module .eyebrow{text-transform:uppercase;letter-spacing:.06em;color:var(--ink-faint);margin:0 0 4px;font-size:12px;font-weight:700}.english-module .subtext{color:var(--ink-soft);margin:2px 0 0;font-size:14.5px}.english-module .dash-grid{grid-template-columns:repeat(4,1fr);gap:14px;margin:22px 0 36px;display:grid}@media (width<=1100px){.english-module .dash-grid{grid-template-columns:repeat(2,1fr)}}.english-module .dash-card{background:var(--card);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);cursor:pointer;text-align:left;transition:var(--transition-smooth);border:1px solid #fff6;padding:18px;text-decoration:none;display:block}.english-module .dash-card:hover{box-shadow:var(--shadow-md);border-color:var(--vocab-tint);transform:translateY(-2px)}.english-module .dash-card .ic{border-radius:var(--radius-sm);justify-content:center;align-items:center;width:34px;height:34px;font-size:16px;display:flex}.english-module .dash-card[data-key=vocab] .ic{background:var(--vocab-tint);color:var(--vocab)}.english-module .dash-card[data-key=idiom] .ic{background:var(--idiom-tint);color:var(--idiom)}.english-module .dash-card[data-key=literary] .ic{background:var(--lit-tint);color:var(--lit)}.english-module .dash-card[data-key=writing] .ic{background:var(--write-tint);color:var(--write)}.english-module .dash-card h3{margin:12px 0 2px;font-size:15px}.english-module .dash-card .prog-txt{color:var(--ink-faint);margin-top:6px;font-size:11.5px;display:block}.english-module .info-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius-lg);margin-bottom:18px;padding:16px 20px}.english-module .info-card h4{color:var(--ink-soft);text-transform:uppercase;letter-spacing:.03em;margin:0 0 6px;font-size:13px;font-weight:600}.english-module .info-card p{margin:0;font-size:15px}.english-module .two-col{grid-template-columns:1fr 1fr;gap:14px;display:grid}@media (width<=700px){.english-module .two-col{grid-template-columns:1fr}}.english-module .card-grid{grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:24px;display:grid}@media (width<=980px){.english-module .card-grid{grid-template-columns:repeat(2,1fr)}}.english-module .flip-card{perspective:1200px;cursor:pointer;height:160px}.english-module .flip-card:focus-visible .flip-inner{outline:var(--focus);outline-offset:2px}.english-module .flip-inner{width:100%;height:100%;transition:var(--transition-spring);transform-style:preserve-3d;border-radius:var(--radius-md);box-shadow:var(--shadow-sm);position:relative}.english-module .flip-card.flipped .flip-inner{transform:rotateY(180deg)}.english-module .face{border-radius:var(--radius-md);backface-visibility:hidden;background:var(--card);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border:1px solid #fff9;flex-direction:column;padding:16px;display:flex;position:absolute;inset:0}.english-module .face.front{justify-content:space-between;align-items:flex-start;gap:6px}.english-module .face.front .ic{opacity:.7;font-size:18px}.english-module .face.front .word{font-size:16px;font-weight:600}.english-module .face.front .lvl{text-transform:uppercase;letter-spacing:.03em;color:var(--ink-faint);font-size:10px;font-weight:700}.english-module .face.back{background:var(--vocab-tint);border-color:var(--vocab);justify-content:flex-start;transform:rotateY(180deg)}.english-module .face.back .def{margin:0 0 6px;font-size:13.5px;font-weight:600}.english-module .face.back .ex{color:var(--ink-soft);margin:0;font-size:12.5px;font-style:italic}.english-module .idiom-list{flex-direction:column;gap:12px;margin-bottom:24px;display:flex}.english-module .idiom-card{background:var(--card);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);transition:var(--transition-smooth);border:1px solid #fff6;overflow:hidden}.english-module .idiom-card:hover{box-shadow:var(--shadow-md);transform:scale(1.01)}.english-module .idiom-title{border-bottom:1px solid var(--border);padding:12px 18px;font-size:15px;font-weight:600}.english-module .idiom-body{grid-template-columns:1fr 1fr;display:grid}@media (width<=700px){.english-module .idiom-body{grid-template-columns:1fr}}.english-module .idiom-half{align-items:flex-start;gap:12px;padding:14px 18px;display:flex}.english-module .idiom-half.literal{border-right:1px dashed var(--border)}@media (width<=700px){.english-module .idiom-half.literal{border-right:none;border-bottom:1px dashed var(--border)}}.english-module .idiom-tag{text-transform:uppercase;letter-spacing:.04em;color:var(--ink-faint);margin:0 0 3px;font-size:10.5px;font-weight:700}.english-module .idiom-half p{margin:0;font-size:13.5px}.english-module .idiom-ex{color:var(--ink-soft);border-top:1px solid var(--border);background:var(--bg);padding:10px 18px 14px;font-size:13px}.english-module .btn{border-radius:var(--radius-sm);cursor:pointer;border:1px solid var(--border);background:var(--card);color:var(--ink);padding:9px 18px;font-size:13.5px;font-weight:600}.english-module .btn:hover{border-color:var(--ink-faint)}.english-module .btn.primary{background:var(--write);color:#fff;border-color:var(--write)}.english-module .passage-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius-lg);margin-bottom:24px;padding:18px 24px}.english-module .passage-header{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;margin-bottom:16px;padding-bottom:12px;display:flex}.english-module .passage-title{color:var(--ink);margin:0;font-size:18px;font-weight:600}.english-module .passage-meta{color:var(--ink-soft);gap:12px;font-size:12px;display:flex}.english-module .passage-meta span{background:var(--bg);border:1px solid var(--border);border-radius:4px;padding:2px 8px}.english-module .passage-text{color:var(--ink);white-space:pre-wrap;margin-bottom:24px;font-size:15px;line-height:1.7}.english-module .question-list{flex-direction:column;gap:12px;display:flex}.english-module .question-item{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-md);padding:12px 16px}.english-module .question-text{margin:0 0 6px;font-size:14.5px;font-weight:600}.english-module .question-meta{color:var(--ink-soft);justify-content:space-between;font-size:12px;display:flex}.english-module .question-marks{color:var(--write);font-weight:700}