*,:before,:after{box-sizing:border-box;margin:0;padding:0}:root{--bg:#faf8f5;--bg-alt:#f2ede7;--bg-ink:#1e1b18;--bg-hover:#1e1b1808;--bg-active:#ff7f5012;--text:#1e1b18;--text-secondary:#5a524c;--text-tertiary:#8a8078;--text-faint:#b8ada3;--coral:coral;--coral-ink:#b83a14;--coral-hover:#e86a3a;--coral-bg:#ff7f5014;--coral-50:#fff5f0;--coral-100:#ffe8dc;--violet:#8b5cf6;--violet-bg:#8b5cf614;--pen:#c23b2e;--mark:#ffe14dcc;--rule:#d9e4ee;--margin:#f0b4b0;--on-coral:#1e1b18;--green:#16a34a;--green-bg:#16a34a14;--red:#dc2626;--red-bg:#dc26260f;--amber:#f59e0b;--amber-bg:#f59e0b14;--teal:#14b8a6;--teal-bg:#14b8a614;--card:#fff;--border:#e2dcd5;--border-light:#ede8e2;--border-focus:var(--coral);--font-body:"Sofia Sans", system-ui, -apple-system, sans-serif;--font-mono:ui-monospace, "SF Mono", "Cascadia Code", monospace;--font-display:"Sofia Sans Extra Condensed", "Sofia Sans", var(--font-body);--fs-1:.75rem;--fs-2:.8125rem;--fs-3:1rem;--fs-4:1.25rem;--fs-5:1.75rem;--fs-6:clamp(2rem, 1.4rem + 2vw, 2.875rem);--font-hand:"Caveat", "Segoe Print", cursive;--radius:12px;--radius-sm:8px;--radius-xs:6px;--radius-lg:16px;--radius-xl:20px;--shadow-xs:0 1px 2px #1e1b180d;--shadow-sm:0 2px 4px #1e1b180f, 0 1px 2px #1e1b180a;--shadow-md:0 4px 12px #1e1b1814, 0 2px 4px #1e1b180a;--shadow-lg:0 12px 24px #1e1b181a, 0 4px 8px #1e1b180f;--shadow-xl:0 20px 40px #1e1b181f, 0 8px 16px #1e1b180f;--transition:.18s ease;--sidebar-w:260px;--sidebar-collapsed-w:64px;--color-action-primary:var(--coral);--color-action-primary-hover:var(--coral-hover);--color-surface-card:var(--card);--color-border-focus:var(--border-focus)}.dark{--bg:#060b14;--bg-alt:#0b1320;--bg-ink:#f5f7fa;--bg-hover:#ffffff0a;--bg-active:#00d9ff14;--text:#f5f7fa;--text-secondary:#a8b3c7;--text-tertiary:#6b7280;--text-faint:#4b5563;--coral:#00d9ff;--coral-ink:#00d9ff;--coral-hover:#00b8d9;--coral-bg:#00d9ff1a;--coral-50:#0b1a2e;--coral-100:#0f2238;--violet:#7c5cff;--violet-bg:#7c5cff1f;--pen:#ff9a8a;--mark:#ffe14d47;--rule:#ffffff12;--margin:#ff9a8a59;--on-coral:#060b14;--green:#22c55e;--green-bg:#22c55e1f;--red:#ef4444;--red-bg:#ef44441a;--amber:#facc15;--amber-bg:#facc151a;--teal:#14b8a6;--teal-bg:#14b8a61a;--card:#0b1320;--border:#ffffff0f;--border-light:#ffffff0d;--border-focus:var(--coral);--shadow-xs:0 1px 2px #0000004d;--shadow-sm:0 2px 4px #0000004d, 0 1px 2px #0003;--shadow-md:0 4px 12px #0006, 0 2px 4px #0000004d;--shadow-lg:0 12px 24px #0006, 0 4px 8px #0000004d;--shadow-xl:0 20px 40px #00000080, 0 8px 16px #0000004d}:focus-visible{outline:3px solid var(--coral);outline-offset:2px}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.001ms!important;animation-duration:.001ms!important;animation-iteration-count:1!important}}html{scroll-behavior:smooth}::selection{color:var(--text);background:#00d9ff40}.dark ::selection{color:#f5f7fa;background:#00d9ff40}@keyframes fade-up{0%{opacity:0;transform:translateY(14px)}to{opacity:1;transform:translateY(0)}}@keyframes fade-in{0%{opacity:0}to{opacity:1}}@keyframes slide-in-right{0%{opacity:0;transform:translate(-8px)}to{opacity:1;transform:translate(0)}}body{font-family:var(--font-body);background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;line-height:1.6;font-size:var(--fs-3);font-weight:400}a{color:inherit;text-decoration:none}button{cursor:pointer;font-family:var(--font-body)}input,textarea,select{font-family:var(--font-body);font-size:var(--fs-3)}.page-loading{min-height:60vh;color:var(--text-tertiary);font-size:var(--fs-3);justify-content:center;align-items:center;display:flex}.form-actions{gap:.5rem;display:flex}.btn-primary{border-radius:var(--radius-sm);background:var(--coral);color:var(--on-coral);font-size:var(--fs-3);transition:background var(--transition), box-shadow var(--transition);border:none;align-items:center;gap:.4rem;padding:.55rem 1.1rem;font-weight:700;display:inline-flex}.btn-primary:hover{background:var(--coral-hover)}.btn-primary:active{opacity:.9}.btn-primary:disabled{opacity:.4;cursor:not-allowed}.btn-primary:disabled:hover{background:var(--coral)}.btn-secondary{border-radius:var(--radius-sm);border:1px solid var(--border);color:var(--text);font-size:var(--fs-3);transition:background var(--transition), border-color var(--transition), box-shadow var(--transition);background:#fff;align-items:center;gap:.4rem;padding:.55rem 1.1rem;font-weight:700;display:inline-flex}.btn-secondary:hover{background:var(--bg-hover);border-color:var(--text-tertiary);box-shadow:var(--shadow-xs)}.btn-danger{border-radius:var(--radius-xs);color:var(--red);font-size:var(--fs-3);transition:background var(--transition);background:0 0;border:none;align-items:center;gap:.4rem;padding:.4rem .75rem;font-weight:700;display:inline-flex}.btn-danger:hover{background:var(--red-bg)}.btn-ghost{border-radius:var(--radius-sm);color:var(--text-secondary);font-size:var(--fs-3);transition:color var(--transition), background var(--transition);background:0 0;border:none;align-items:center;gap:.4rem;padding:.55rem 1.1rem;font-weight:700;display:inline-flex}.btn-ghost:hover{color:var(--text);background:var(--bg-hover)}.btn-icon{border-radius:var(--radius-xs);width:32px;height:32px;color:var(--text-tertiary);transition:background var(--transition), color var(--transition);background:0 0;border:none;justify-content:center;align-items:center;display:inline-flex}.btn-icon:hover{background:var(--bg-hover);color:var(--text)}.form-group{flex-direction:column;gap:.3rem;margin-bottom:.75rem;display:flex}.form-group label{font-size:var(--fs-2);color:var(--text-secondary);font-weight:700}.form-group input,.form-group textarea,.form-group select{border-radius:var(--radius-sm);border:1px solid var(--border);color:var(--text);transition:border-color var(--transition), box-shadow var(--transition);background:#fff;outline:none;padding:.55rem .75rem}.form-group input:focus,.form-group textarea:focus,.form-group select:focus{border-color:var(--border-focus);box-shadow:0 0 0 3px #ff7f501a}.form-group input::placeholder,.form-group textarea::placeholder{color:var(--text-faint)}.form-hint{font-size:var(--fs-1);color:var(--text-tertiary)}.form-row{gap:1rem;display:flex}.form-row .form-group{flex:1}.form-group-input-danger{border:1px solid var(--border);border-radius:var(--radius-sm);width:100%;font-size:var(--fs-3);font-family:var(--font-body);transition:border-color var(--transition);outline:none;margin-top:.4rem;padding:.5rem .75rem}.form-group-input-danger:focus{border-color:var(--coral);box-shadow:0 0 0 3px #ff7f501a}.modal-overlay{z-index:100;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);background:#1e1b184d;justify-content:center;align-items:center;padding:1rem;animation:.2s modal-overlay-in;display:flex;position:fixed;inset:0}@keyframes modal-overlay-in{0%{opacity:0}to{opacity:1}}.modal-content{background:var(--color-surface-card);border-radius:var(--radius-lg);border:1px solid var(--border-light);width:100%;max-width:540px;max-height:85vh;box-shadow:var(--shadow-xl);overflow-y:auto}.radix-dialog-overlay{z-index:100}.radix-dialog-content{z-index:101;margin:0;animation:.2s modal-content-in;position:fixed;top:50%;left:50%;transform:translate(-50%,-50%)}.radix-dialog-content:focus{outline:none}@keyframes modal-content-in{0%{opacity:0;transform:translate(-50%,-50%)scale(.98)}to{opacity:1;transform:translate(-50%,-50%)scale(1)}}.modal-wide{max-width:780px}.modal-header{border-bottom:1px solid var(--border-light);justify-content:space-between;align-items:center;padding:1rem 1.25rem;display:flex}.modal-header h2{font-size:var(--fs-3);font-weight:700}.modal-body{padding:1.25rem}.modal-form{flex-direction:column;gap:0;display:flex}.auth-page{background:var(--bg);justify-content:center;align-items:center;min-height:100vh;padding:2rem;display:flex}.auth-card{border-radius:var(--radius-lg);border:1px solid var(--border-light);text-align:center;width:100%;max-width:400px;box-shadow:var(--shadow-xl);background:#fff;padding:2.5rem;animation:.4s fade-up}.auth-card h1{font-family:var(--font-display);font-size:var(--fs-5);color:var(--text);letter-spacing:0;margin-bottom:.15rem;font-weight:800}.auth-card h1:after{content:"";background:var(--coral);border-radius:2px;width:32px;height:3px;margin:.6rem auto 0;display:block}.auth-card .auth-subtitle{font-size:var(--fs-3);color:var(--text-tertiary);margin-bottom:1.5rem}.auth-form{text-align:left;flex-direction:column;gap:0;display:flex}.auth-form input{border-radius:var(--radius-sm);border:1px solid var(--border);font-family:var(--font-body);font-size:var(--fs-3);color:var(--text);transition:border-color var(--transition), box-shadow var(--transition);background:#fff;outline:none;padding:.6rem .85rem}.auth-form input:focus{border-color:var(--coral);box-shadow:0 0 0 3px #ff7f501a}.auth-form .form-group{margin-bottom:.75rem}.auth-form .login-error{background:var(--red-bg);color:var(--red);border-radius:var(--radius-xs);font-size:var(--fs-2);border:1px solid #dc26261f;margin-bottom:.75rem;padding:.5rem .75rem}.auth-exists-card{border-radius:var(--radius-sm);background:#ff7f500f;border:1px solid #ff7f5033;gap:.75rem;margin-bottom:.75rem;padding:.85rem;display:flex}.auth-exists-icon{color:var(--coral-ink);flex-shrink:0;margin-top:.1rem}.auth-exists-title{font-weight:700;font-size:var(--fs-3);color:var(--text-primary);margin:0 0 .25rem}.auth-exists-text{font-size:var(--fs-2);color:var(--text-secondary);margin:0 0 .6rem;line-height:1.4}.auth-exists-actions{flex-wrap:wrap;gap:.5rem;display:flex}.auth-link{font-size:var(--fs-2);color:var(--text-tertiary);margin-top:1rem}.auth-link a{color:var(--coral-ink);font-weight:700}.auth-link a:hover{text-decoration:underline}.auth-divider{color:var(--text-tertiary);font-size:var(--fs-2);align-items:center;gap:.75rem;margin:.75rem 0;display:flex}.auth-divider:before,.auth-divider:after{content:"";background:var(--border);flex:1;height:1px}.input-wrapper{align-items:center;display:flex;position:relative}.input-wrapper .input-icon{color:var(--text-tertiary);pointer-events:none;flex-shrink:0;position:absolute;left:.7rem}.input-wrapper input{width:100%;padding-left:2.2rem!important}.input-wrapper input:not([type=password]):not([type=text]){padding-left:2.2rem}.input-toggle{color:var(--text-tertiary);cursor:pointer;border-radius:var(--radius-xs);background:0 0;border:none;align-items:center;padding:.25rem;display:flex;position:absolute;right:.5rem}.input-toggle:hover{color:var(--text-secondary)}.input-toggle:focus-visible{outline:2px solid var(--coral);outline-offset:1px}.field-error{font-size:var(--fs-2);color:var(--red);margin-top:.25rem;display:block}.input-error{border-color:var(--red)!important}.input-error:focus{box-shadow:0 0 0 3px #dc26261a;border-color:var(--red)!important}.btn-full{justify-content:center;width:100%}.auth-forgot-link{font-size:var(--fs-2);color:var(--coral-ink);font-weight:400;text-decoration:none}.auth-forgot-link:hover{text-decoration:underline}.password-strength{align-items:center;gap:.5rem;margin-top:.4rem;display:flex}.strength-bar{background:var(--border);border-radius:2px;flex:1;height:4px;overflow:hidden}.strength-fill{height:100%;transition:width var(--transition);border-radius:2px}.strength-fill.strength-1{background:var(--red);width:33%}.strength-fill.strength-2{background:var(--amber);width:66%}.strength-fill.strength-3{background:var(--green);width:100%}.strength-label{font-size:var(--fs-1);min-width:2.5rem;font-weight:400}.strength-label.strength-1{color:var(--red)}.strength-label.strength-2{color:var(--amber)}.strength-label.strength-3{color:var(--green)}@keyframes spin{to{transform:rotate(360deg)}}.app-layout{min-height:100vh}.app-header{border-bottom:1px solid var(--border-light);z-index:30;background:#fff;align-items:center;gap:1.5rem;height:52px;padding:0 1.5rem;display:flex;position:sticky;top:0}.app-logo img{width:auto;height:28px}.app-nav{gap:1.5rem;display:flex}.app-nav a{font-size:var(--fs-3);color:var(--text-tertiary);transition:color var(--transition), border-color var(--transition);border-bottom:2px solid #0000;padding:.25rem 0;font-weight:400}.app-nav a:hover{color:var(--text)}.app-nav a.active{color:var(--coral-ink);border-color:var(--coral-ink);font-weight:700}.app-user{font-size:var(--fs-2);color:var(--text-tertiary);align-items:center;gap:.75rem;margin-left:auto;display:flex}.app-main{max-width:960px;margin:0 auto;padding:1.5rem clamp(1rem,3vw,2rem);animation:.4s fade-up}.app-layout-sidebar{min-height:100vh;display:flex;overflow-x:clip}.sidebar{width:var(--sidebar-w);background:var(--bg);border-right:1px solid var(--border-light);z-index:40;flex-direction:column;transition:width .2s;display:flex;position:fixed;top:0;bottom:0;left:0;overflow:hidden}.sidebar.collapsed{width:var(--sidebar-collapsed-w)}.sidebar-top{align-items:center;gap:.25rem;padding:.85rem .85rem .5rem;display:flex}.sidebar-logo{flex-shrink:0;align-items:center;display:flex}.sidebar-logo img{width:auto;height:24px}.sidebar-toggle{color:var(--text-faint);border-radius:var(--radius-xs);width:28px;height:28px;transition:color var(--transition), background var(--transition);background:0 0;border:none;justify-content:center;align-items:center;margin-left:auto;display:flex}.sidebar-toggle:hover{color:var(--text);background:var(--bg-hover)}.collapsed .sidebar-toggle{display:none}.collapsed .sidebar-toggle--expand{margin-left:0;display:flex}.collapsed .sidebar-top{flex-direction:column;justify-content:center;align-items:center;gap:.35rem;padding:.65rem .35rem .5rem}.sidebar-theme-icon-btn{flex-shrink:0}.sidebar-section-label{font-size:var(--fs-1);color:var(--text-faint);white-space:nowrap;transition:opacity var(--transition);padding:1rem .85rem .35rem;font-weight:700;overflow:hidden}.collapsed .sidebar-section-label{opacity:0;height:0;padding:0;overflow:hidden}.sidebar-nav{flex-direction:column;flex:1;gap:2px;padding:.25rem;display:flex}.sidebar-link{border-radius:var(--radius-sm);font-size:var(--fs-3);color:var(--text-secondary);transition:color var(--transition), background var(--transition);white-space:nowrap;align-items:center;gap:.6rem;padding:.5rem .65rem;font-weight:400;display:flex;overflow:hidden}.sidebar-link:hover{color:var(--text);background:#ffffff80}.sidebar-link.active{color:var(--coral-ink);background:#ff7f501f;font-weight:700}.sidebar-link-icon{flex-shrink:0;width:18px;height:18px}.sidebar-link-text{transition:opacity .1s}.collapsed .sidebar-link{justify-content:center;padding:.5rem}.collapsed .sidebar-link-text{opacity:0;width:0;overflow:hidden}.sidebar-footer{border-top:1px solid var(--border-light);white-space:nowrap;padding:.85rem;overflow:hidden}.sidebar-user-row{align-items:center;gap:.5rem;display:flex}.sidebar-avatar{background:var(--coral-bg);width:30px;height:30px;color:var(--coral-ink);font-size:var(--fs-1);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-weight:700;display:flex;overflow:hidden}.sidebar-avatar img{object-fit:cover;border-radius:50%;width:100%;height:100%}.sidebar-user-name{font-size:var(--fs-2);color:var(--text);text-overflow:ellipsis;flex:1;min-width:0;font-weight:400;overflow:hidden}.sidebar-logout{color:var(--text-faint);cursor:pointer;transition:color var(--transition);background:0 0;border:none;flex-shrink:0;align-items:center;padding:.15rem;display:flex}.sidebar-logout:hover{color:var(--red)}.collapsed .sidebar-user-row .sidebar-user-name{display:none}.collapsed .sidebar-footer{text-align:center}.collapsed .sidebar-logout{font-size:0}.collapsed .sidebar-logout:after{content:"←";font-size:var(--fs-2);color:var(--text-faint)}.sidebar-main{min-width:0;margin-left:var(--sidebar-w);flex:1;transition:margin-left .2s;overflow-x:clip}.sidebar-collapsed .sidebar-main{margin-left:var(--sidebar-collapsed-w)}.sidebar-main-inner{box-sizing:border-box;min-width:0;max-width:960px;margin:0 auto;padding:1.5rem clamp(1rem,3vw,2rem);animation:.4s fade-up}.class-detail{max-width:100%}.class-detail-header{justify-content:space-between;align-items:center;gap:1rem;margin-bottom:1.25rem;display:flex}.class-detail-header h1{font-size:var(--fs-6);letter-spacing:0;font-weight:800}.class-detail-actions{gap:.5rem;display:flex}.class-detail-desc{font-size:var(--fs-3);color:var(--text-secondary);margin-bottom:1rem;line-height:1.5}.class-detail-code{font-family:var(--font-mono);font-size:var(--fs-1);background:var(--bg-alt);border-radius:var(--radius-xs);color:var(--text-secondary);letter-spacing:.04em;padding:.2rem .6rem;font-weight:700}.class-detail-invite{align-items:center;gap:.5rem;margin-top:.4rem;display:flex}.tabs{border-bottom:2px solid var(--border-light);flex-wrap:wrap;gap:0;margin-bottom:1.25rem;display:flex}.tab{font-size:var(--fs-2);color:var(--text-tertiary);transition:color var(--transition), border-color var(--transition);white-space:nowrap;cursor:pointer;background:0 0;border:none;border-bottom:2px solid #0000;margin-bottom:-2px;padding:.6rem 1rem;font-weight:400}.tab:hover{color:var(--text)}.tab.active,.tab[data-state=active]{color:var(--coral-ink);border-bottom-color:var(--coral-ink);font-weight:700}.radix-tabs-content,.radix-tabs-content:focus-visible{outline:none}.tab-header{justify-content:flex-end;align-items:center;margin-bottom:1rem;display:flex}.tab-toolbar{flex-wrap:wrap;justify-content:flex-end;align-items:center;gap:.4rem;display:flex}.tab-ai-btn{color:var(--coral-ink)!important}.tab-ai-btn:hover{background:var(--coral-bg)!important}.fab-ai{background:var(--coral);color:#fff;cursor:pointer;z-index:50;border:none;border-radius:50%;justify-content:center;align-items:center;width:48px;height:48px;transition:transform .15s,box-shadow .15s;display:flex;position:fixed;bottom:1.5rem;right:1.5rem;box-shadow:0 4px 14px #0003}.fab-ai:hover{transform:scale(1.08);box-shadow:0 6px 20px #00000040}.empty-state{text-align:center;color:var(--text-tertiary);padding:3rem 1rem}.empty-state-icon{opacity:.15;width:56px;height:56px;margin-bottom:1rem}.empty-state p{font-size:var(--fs-3);margin-bottom:.5rem}.empty-state-sm{font-size:var(--fs-2);color:var(--text-tertiary);padding:1rem 0}.status-badge{font-family:var(--font-display);font-size:var(--fs-1);white-space:nowrap;border:1.5px solid;border-radius:5px;align-items:center;padding:.05rem .45rem;font-weight:800;line-height:1.5;display:inline-flex}.status-badge .status-dot{display:none}.status-scheduled{color:var(--text-secondary)}.status-live{color:var(--pen)}.status-completed{color:var(--green)}.status-cancelled{color:var(--text-tertiary);text-decoration:line-through}@keyframes sweep{0%{background-position:100% 0}to{background-position:-100% 0}}.card{border:1px solid var(--border-light);border-radius:var(--radius-sm);transition:box-shadow var(--transition);background:#fff}.card:hover{box-shadow:var(--shadow-sm)}.card-body{padding:.85rem 1rem}.mural-composer{border:1px solid var(--border-light);border-radius:var(--radius-sm);background:#fff;margin-bottom:1rem;padding:.75rem}.mural-composer-toolbar{border-bottom:1px solid var(--border-light);gap:0;margin-bottom:.5rem;padding-bottom:.4rem;display:flex}.mural-toolbar-btn{font-size:var(--fs-2);color:var(--text-tertiary);border-radius:var(--radius-xs);cursor:pointer;transition:color var(--transition), background var(--transition);background:0 0;border:none;padding:.2rem .6rem;font-weight:400}.mural-toolbar-btn:hover{color:var(--text)}.mural-toolbar-btn.active{color:var(--text);background:var(--bg-alt);font-weight:700}.mural-preview{min-height:60px;padding:.5rem 0}.mural-composer-input{resize:none;width:100%;font-size:var(--fs-3);color:var(--text);background:0 0;border:none;outline:none;min-height:80px;line-height:1.5}.mural-composer-input::placeholder{color:var(--text-faint)}.mural-composer-actions{justify-content:space-between;align-items:center;gap:.5rem;margin-top:.5rem;display:flex}.markdown-body{font-size:var(--fs-3);color:var(--text);word-wrap:break-word;line-height:1.6}.markdown-body p{margin:0 0 .5rem}.markdown-body p:last-child{margin-bottom:0}.markdown-body strong{font-weight:700}.markdown-body em{font-style:italic}.markdown-body code{background:var(--bg-alt);font-family:var(--font-mono);font-size:var(--fs-2);color:var(--coral-ink);border-radius:3px;padding:.15rem .4rem}.markdown-body pre{background:var(--bg-ink);color:#e0e0e0;border-radius:var(--radius-xs);margin:.5rem 0;padding:.75rem 1rem;overflow-x:auto}.markdown-body pre code{color:inherit;background:0 0;padding:0}.markdown-body a{color:var(--coral-ink);text-underline-offset:2px;-webkit-text-decoration:underline #ff7f504d;text-decoration:underline #ff7f504d}.markdown-body a:hover{-webkit-text-decoration-color:var(--coral-ink);text-decoration-color:var(--coral-ink)}.markdown-body ul,.markdown-body ol{margin:.25rem 0;padding-left:1.5rem}.markdown-body li{margin:.15rem 0}.markdown-body blockquote{background:var(--bg-alt);border-radius:var(--radius-sm);color:var(--text-secondary);margin:.5rem 0;padding:.5rem .75rem}.markdown-body hr{border:none;border-top:1px solid var(--border-light);margin:.75rem 0}.markdown-body h1,.markdown-body h2,.markdown-body h3{margin:.5rem 0 .25rem;font-weight:700}.markdown-body h1{font-size:var(--fs-4)}.markdown-body h2,.markdown-body h3{font-size:var(--fs-3)}.markdown-body table{border-collapse:collapse;width:100%;margin:.5rem 0}.markdown-body th,.markdown-body td{border:1px solid var(--border-light);text-align:left;font-size:var(--fs-2);padding:.35rem .6rem}.markdown-body th{background:var(--bg-alt);font-weight:700}.markdown-body img{border-radius:var(--radius-xs);max-width:100%}.post-list{flex-direction:column;gap:0;display:flex}.post-item{border-bottom:1px solid var(--border-light);padding:1rem 0}.post-item:last-child{border-bottom:none}.post-header{align-items:center;gap:.5rem;margin-bottom:.4rem;display:flex}.post-avatar{background:var(--bg-alt);width:28px;height:28px;font-size:var(--fs-1);color:var(--text-secondary);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-weight:700;display:flex}.post-author{font-size:var(--fs-2);color:var(--text);font-weight:700}.post-time{font-size:var(--fs-1);color:var(--text-faint);margin-left:auto}.post-body{font-size:var(--fs-3);color:var(--text);margin-left:2.25rem;line-height:1.6}.post-actions{gap:.5rem;margin-top:.4rem;margin-left:2.25rem;display:flex}.post-action-btn{font-size:var(--fs-2);color:var(--text-faint);cursor:pointer;border-radius:var(--radius-xs);transition:color var(--transition), background var(--transition);background:0 0;border:none;align-items:center;gap:.3rem;padding:.2rem .4rem;display:inline-flex}.post-action-btn:hover{color:var(--text-secondary);background:var(--bg-hover)}.post-replies{border-left:2px solid var(--border-light);margin-top:.5rem;margin-left:2.25rem;padding-left:.75rem}.reply-item{padding:.5rem 0}.reply-item+.reply-item{border-top:1px solid var(--border-light)}.reply-form{align-items:flex-start;gap:.5rem;margin-top:.5rem;margin-left:2.25rem;display:flex}.reply-form input{border-radius:var(--radius-xs);border:1px solid var(--border);font-size:var(--fs-2);outline:none;flex:1;padding:.4rem .6rem}.reply-form input:focus{border-color:var(--border-focus)}.meeting-list{flex-direction:column;gap:.5rem;display:flex}.meeting-list>*{animation:.35s backwards slide-in-right}.meeting-list>:first-child{animation-delay:0s}.meeting-list>:nth-child(2){animation-delay:40ms}.meeting-list>:nth-child(3){animation-delay:80ms}.meeting-list>:nth-child(4){animation-delay:.12s}.meeting-list>:nth-child(5){animation-delay:.16s}.meeting-list>:nth-child(n+6){animation-delay:.2s}.meeting-card{border:1px solid var(--border-light);border-radius:var(--radius-sm);cursor:pointer;transition:background var(--transition), box-shadow var(--transition);background:#fff;justify-content:space-between;align-items:center;gap:1rem;padding:.85rem 1rem;display:flex;position:relative}.meeting-card:hover{background:var(--bg-hover);box-shadow:var(--shadow-md)}.meeting-info{flex:1;min-width:0}.meeting-title{font-size:var(--fs-3);color:var(--text);align-items:center;gap:.5rem;font-weight:700;display:flex}.meeting-meta{font-size:var(--fs-2);color:var(--text-tertiary);margin-top:.15rem}.meeting-actions{flex-shrink:0;gap:.4rem;display:flex}.meeting-when{flex-direction:column;flex:0 0 4.5rem;gap:.1rem;display:flex}.meeting-hour{font-size:var(--fs-5);color:var(--text);line-height:1}.meeting-day{font-size:var(--fs-2);color:var(--text-secondary)}.meeting-card.meeting-card-live,.dark .meeting-card.meeting-card-live,.meeting-card.meeting-card-live:hover{background:var(--bg-ink);border-color:var(--bg-ink);color:var(--bg);box-shadow:none}.meeting-card-live .meeting-title,.meeting-card-live .meeting-hour,.meeting-card-live .meeting-day,.meeting-card-live .meeting-meta,.meeting-card-live .btn-ghost{color:inherit}.meeting-card-live .meeting-day{font-weight:700}.meeting-card-live .meeting-meta{opacity:.78}.meeting-detail-meta{font-size:var(--fs-2);color:var(--text-secondary);align-items:center;gap:.75rem;margin-bottom:1rem;display:flex}.meeting-detail-actions{margin-bottom:1rem}.meeting-section{margin-bottom:1.25rem}.meeting-section h3{font-size:var(--fs-2);color:var(--text);margin-bottom:.5rem;font-weight:700}.attendance-list{flex-direction:column;gap:.25rem;display:flex}.attendance-row{border-radius:var(--radius-xs);font-size:var(--fs-2);align-items:center;gap:.75rem;padding:.4rem .6rem;display:flex}.attendance-name{color:var(--text);font-weight:400;font-size:var(--fs-2)}.attendance-time{color:var(--text-tertiary);font-size:var(--fs-2)}.attendance-duration{color:var(--text-tertiary);font-size:var(--fs-2);margin-left:auto}.recording-list{flex-direction:column;gap:.5rem;display:flex}.recording-card{border-radius:var(--radius-sm);border:1px solid var(--border-light);background:#fff;flex-wrap:wrap;align-items:center;gap:.75rem;padding:.75rem;display:flex}.recording-info{flex-direction:column;flex:1;display:flex}.recording-info span:first-child{font-weight:400;font-size:var(--fs-2)}.recording-meta{font-size:var(--fs-1);color:var(--text-tertiary)}.recording-actions{gap:.35rem;display:flex}.summary-content{border-radius:var(--radius-xs);background:var(--bg-alt);border:1px solid var(--border-light);flex-basis:100%;margin-top:.5rem;padding:.75rem}.summary-header{font-size:var(--fs-2);color:var(--coral-ink);border-bottom:1px solid var(--border-light);align-items:center;gap:.4rem;margin-bottom:.5rem;padding-bottom:.4rem;font-weight:700;display:flex}.summary-content .markdown-body{font-size:var(--fs-2);max-height:400px;line-height:1.6;overflow-y:auto}.summary-content .markdown-body h2{font-size:var(--fs-3);margin:.75rem 0 .4rem}.summary-content .markdown-body h3{font-size:var(--fs-3);margin:.6rem 0 .3rem}.summary-content .markdown-body ul,.summary-content .markdown-body ol{margin:.3rem 0;padding-left:1.2rem}.summary-content .markdown-body li{margin:.15rem 0}.summary-content .markdown-body p{margin:.3rem 0}.transcript-content{border-radius:var(--radius-xs);background:var(--bg-alt);max-height:200px;font-size:var(--fs-2);flex-basis:100%;margin-top:.5rem;padding:.75rem;overflow-y:auto}.transcript-line{border-bottom:1px solid var(--border-light);gap:.5rem;padding:.3rem 0;line-height:1.5;display:flex}.transcript-line:last-child{border-bottom:none}.transcript-line strong{color:var(--coral-ink);white-space:nowrap;font-size:var(--fs-2)}.transcript-time{color:var(--text-faint);font-family:var(--font-mono);font-size:var(--fs-1);white-space:nowrap}.activity-list{flex-direction:column;gap:.5rem;display:flex}.activity-list>*{animation:.35s backwards slide-in-right}.activity-list>:first-child{animation-delay:0s}.activity-list>:nth-child(2){animation-delay:40ms}.activity-list>:nth-child(3){animation-delay:80ms}.activity-list>:nth-child(4){animation-delay:.12s}.activity-list>:nth-child(5){animation-delay:.16s}.activity-list>:nth-child(n+6){animation-delay:.2s}.activity-card{border:1px solid var(--border-light);border-radius:var(--radius-sm);cursor:pointer;transition:background var(--transition), box-shadow var(--transition);background:#fff;justify-content:space-between;align-items:center;gap:1rem;padding:.85rem 1rem;display:flex}.activity-card:hover{background:var(--bg-hover);box-shadow:var(--shadow-sm)}.activity-info{flex:1;min-width:0}.activity-type-badge{font-size:var(--fs-1);border-radius:var(--radius-xs);margin-right:.4rem;padding:.1rem .4rem;font-weight:700;display:inline-block}.badge-assignment{background:var(--coral-bg);color:var(--coral-ink)}.badge-quiz{background:var(--violet-bg);color:var(--violet)}.badge-discussion{background:var(--green-bg);color:var(--green)}.activity-title{font-size:var(--fs-3);font-weight:700}.activity-desc{font-size:var(--fs-2);color:var(--text-secondary);margin-top:.15rem}.activity-meta{font-size:var(--fs-1);color:var(--text-faint);gap:.75rem;margin-top:.25rem;display:flex}.activity-card-actions{flex-shrink:0;display:flex}.activity-detail-desc{font-size:var(--fs-3);color:var(--text-secondary);margin-bottom:.5rem;line-height:1.5}.activity-detail-meta{font-size:var(--fs-2);color:var(--text-tertiary);gap:1rem;margin-bottom:1rem;display:flex}.submit-form{border-radius:var(--radius-sm);border:1px solid var(--border-light);background:#fff;flex-direction:column;gap:.75rem;padding:.85rem;display:flex}.submissions-list{flex-direction:column;gap:.5rem;display:flex}.submissions-list h4{font-size:var(--fs-2);margin-bottom:.25rem;font-weight:700}.submission-card{border-radius:var(--radius-sm);border:1px solid var(--border-light);background:#fff;flex-wrap:wrap;align-items:flex-start;gap:1rem;padding:.75rem;display:flex}.submission-info{flex:1;min-width:0}.submission-info p{font-size:var(--fs-2);color:var(--text-secondary);margin-bottom:.2rem}.submission-author{font-weight:700;font-size:var(--fs-2);color:var(--violet);margin-bottom:.2rem;display:block}.submission-file{font-size:var(--fs-2);color:var(--text-tertiary);margin-bottom:.15rem;display:block}.submission-dl-link{color:var(--coral-ink);font-size:var(--fs-1);margin-left:.4rem;font-weight:400;text-decoration:none}.submission-dl-link:hover{text-decoration:underline}.submission-date{font-size:var(--fs-1);color:var(--text-faint);display:block}.submission-grade-area{flex-shrink:0}.submission-grade{text-align:right}.grade-score{font-size:var(--fs-3);color:var(--coral-ink);font-weight:700;display:block}.grade-feedback{font-size:var(--fs-2);color:var(--text-secondary);max-width:200px;margin-top:.2rem}.grade-form{border-radius:var(--radius-sm);border:1px solid var(--border-light);background:var(--bg-alt);flex-direction:column;gap:.5rem;min-width:180px;padding:.75rem;display:flex}.material-list{flex-direction:column;gap:.5rem;display:flex}.material-card{border:1px solid var(--border-light);border-radius:var(--radius-sm);transition:background var(--transition);background:#fff;align-items:center;gap:.75rem;padding:.75rem 1rem;display:flex}.material-icon{border-radius:var(--radius-xs);background:var(--bg-alt);width:32px;height:32px;color:var(--text-tertiary);flex-shrink:0;justify-content:center;align-items:center;display:flex}.material-info{flex:1;min-width:0}.material-name{font-size:var(--fs-3);font-weight:400}.material-size{font-size:var(--fs-1);color:var(--text-faint)}.material-actions{gap:.25rem;display:flex}.material-library-list{flex-direction:column;gap:.5rem;display:flex}.material-library-card{border:1px solid var(--border-light);border-radius:var(--radius-sm);background:#fff;align-items:center;gap:.75rem;min-width:0;padding:.85rem 1rem;display:flex}.material-library-info{flex-direction:column;flex:1;gap:.2rem;min-width:0;display:flex}.material-library-title{font-weight:400;font-size:var(--fs-3);overflow-wrap:anywhere;min-width:0}.material-library-meta{font-size:var(--fs-1);color:var(--text-faint);gap:.75rem;display:flex}.material-library-classes{flex-wrap:wrap;gap:.3rem;margin-top:.3rem;display:flex}.material-class-badge{font-size:var(--fs-1);border:1px solid;border-radius:999px;align-items:center;gap:.2rem;padding:.1rem .5rem;font-weight:400;display:inline-flex}.material-library-actions{gap:.25rem;display:flex}.share-class-list{flex-direction:column;gap:.4rem;display:flex}.share-class-row{border-radius:var(--radius-sm);border:1px solid var(--border-light);background:#fff;justify-content:space-between;align-items:center;padding:.6rem .75rem;display:flex}.share-class-info{align-items:center;gap:.5rem;display:flex}.share-class-dot{border-radius:50%;width:10px;height:10px}.share-class-name{font-size:var(--fs-3);font-weight:400}.share-unshare-btn{font-size:var(--fs-2);color:var(--red);padding:.25rem .6rem}.share-add-btn{font-size:var(--fs-2);padding:.25rem .6rem}.upload-form{flex-wrap:wrap;align-items:stretch;gap:.5rem;margin-bottom:1rem;display:flex}.upload-form input[type=text],.upload-form input:not([type=file]){border:1px solid var(--border);border-radius:var(--radius-sm);min-width:200px;font-family:var(--font-body);font-size:var(--fs-3);outline:none;flex:1;padding:.5rem .75rem}.upload-form input:focus{border-color:var(--border-focus)}.upload-file-label{border-radius:var(--radius-sm);border:1px solid var(--border);font-size:var(--fs-2);color:var(--text-secondary);cursor:pointer;transition:border-color var(--transition);white-space:nowrap;text-overflow:ellipsis;background:#fff;align-items:center;gap:.4rem;max-width:280px;min-height:38px;padding:.5rem .85rem;display:inline-flex;overflow:hidden}.upload-file-label:hover{border-color:var(--text-tertiary)}.upload-file-label input[type=file]{display:none}.people-teacher{background:var(--coral-50);border-radius:var(--radius-sm);border:1px solid #ff7f5026;align-items:center;gap:.75rem;margin-bottom:1rem;padding:.85rem 1rem;display:flex}.people-teacher .post-avatar{background:var(--coral);color:var(--on-coral)}.people-teacher-name{font-weight:700;font-size:var(--fs-3)}.people-teacher-role{font-size:var(--fs-1);color:var(--coral-ink);font-weight:700}.people-list{flex-direction:column;gap:.25rem;display:flex}.people-item{border-radius:var(--radius-sm);transition:background var(--transition);align-items:center;gap:.75rem;padding:.6rem 1rem;display:flex}.people-item:hover{background:var(--bg-hover)}.people-name{min-width:0;font-size:var(--fs-3);flex:auto;font-weight:700}.people-email{text-overflow:ellipsis;white-space:nowrap;min-width:0;max-width:45%;font-size:var(--fs-2);color:var(--text-tertiary);overflow:hidden}.dashboard-header{margin-bottom:1.75rem}.dashboard-header h1{font-size:var(--fs-6);letter-spacing:0;font-weight:800}.dashboard-subtitle{color:var(--text-tertiary);font-size:var(--fs-3);margin-top:.2rem}.stat-grid{grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:.75rem;margin-bottom:2rem;display:grid}.stat-grid>*{animation:.4s backwards fade-up}.stat-grid>:first-child{animation-delay:0s}.stat-grid>:nth-child(2){animation-delay:60ms}.stat-grid>:nth-child(3){animation-delay:.12s}.stat-grid>:nth-child(4){animation-delay:.18s}.stat-grid>:nth-child(5){animation-delay:.24s}.stat-card{border-radius:var(--radius-sm);border:1px solid var(--border-light);background:#fff;flex-direction:column;padding:1rem;display:flex}.stat-card .stat-icon{border-radius:var(--radius-sm);justify-content:center;align-items:center;width:32px;height:32px;margin-bottom:.5rem;display:flex}.stat-card:first-child .stat-icon{background:var(--coral-bg);color:var(--coral-ink)}.stat-card:nth-child(2) .stat-icon{background:var(--teal-bg);color:var(--teal)}.stat-card:nth-child(3) .stat-icon{background:var(--amber-bg);color:var(--amber)}.stat-card:nth-child(4) .stat-icon{background:var(--violet-bg);color:var(--violet)}.stat-card:nth-child(5) .stat-icon{background:var(--green-bg);color:var(--green)}.stat-value{font-family:var(--font-display);font-variant-numeric:tabular-nums;font-size:var(--fs-5);color:var(--text);letter-spacing:0;margin-bottom:.15rem;font-weight:800;line-height:1}.stat-label{font-size:var(--fs-1);color:var(--text-tertiary);font-weight:700}.dashboard-section{margin-bottom:1.5rem}.dashboard-section-header{justify-content:space-between;align-items:center;margin-bottom:.75rem;display:flex}.dashboard-section-header h2{font-size:var(--fs-3);font-weight:700}.dashboard-link{font-size:var(--fs-2);color:var(--coral-ink);font-weight:400}.upcoming-list{flex-direction:column;gap:.5rem;display:flex}.upcoming-card{border-radius:var(--radius-sm);border:1px solid var(--border-light);background:#fff;justify-content:space-between;align-items:center;padding:.75rem 1rem;display:flex}.upcoming-info strong{font-size:var(--fs-3)}.upcoming-meta{font-size:var(--fs-2);color:var(--text-tertiary);display:block}.upcoming-date{font-size:var(--fs-2);color:var(--text-tertiary);white-space:nowrap}.page-header{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:.75rem;min-width:0;margin-bottom:1.25rem;display:flex}.page-header h1{font-size:var(--fs-6);letter-spacing:0;flex:auto;min-width:0;font-weight:800}.aggregate-section{margin-bottom:1.5rem}.aggregate-section h2{font-size:var(--fs-3);color:var(--text-secondary);margin-bottom:.5rem;font-weight:700}.aggregate-list{flex-direction:column;gap:.5rem;display:flex}.aggregate-card{border-radius:var(--radius-sm);border:1px solid var(--border-light);transition:box-shadow var(--transition);background:#fff;justify-content:space-between;align-items:center;gap:1rem;padding:.75rem 1rem;display:flex}.aggregate-card:hover{box-shadow:var(--shadow-sm)}.aggregate-card-link{color:inherit;text-decoration:none;display:block}.aggregate-card-link .aggregate-card{cursor:pointer}.aggregate-color-bar{border-radius:2px;flex-shrink:0;width:4px;height:32px}.aggregate-info{flex:1;min-width:0}.aggregate-top{flex-wrap:wrap;align-items:center;gap:.5rem;min-width:0;margin-bottom:.15rem;display:flex}.aggregate-top h3{font-size:var(--fs-3);overflow-wrap:anywhere;min-width:0;font-weight:400}.aggregate-meta{font-size:var(--fs-2);color:var(--text-tertiary);gap:.75rem;display:flex}.aggregate-class-badge{font-size:var(--fs-1);border-radius:var(--radius-xs);background:var(--bg-alt);color:var(--text-tertiary);margin-right:.4rem;padding:.1rem .4rem;font-weight:700}.aggregate-link{color:var(--coral-ink);font-weight:400;font-size:var(--fs-2)}.aggregate-link:hover{text-decoration:underline}.aggregate-actions{flex-shrink:0;align-items:center;gap:.5rem;display:flex}.aggregate-chevron{color:var(--text-faint);flex-shrink:0}.filter-tabs{-webkit-overflow-scrolling:touch;gap:.35rem;min-width:0;max-width:100%;margin-bottom:1rem;padding-bottom:.25rem;display:flex;overflow-x:auto}.filter-tab{border-radius:var(--radius-xs);border:1px solid var(--border-light);font-size:var(--fs-2);color:var(--text-secondary);cursor:pointer;white-space:nowrap;transition:background var(--transition), border-color var(--transition), color var(--transition);background:#fff;align-items:center;gap:.35rem;padding:.35rem .75rem;font-weight:400;display:inline-flex}.filter-tab:hover{background:var(--bg-hover)}.filter-tab.active,.filter-tab[data-state=active]{background:var(--bg-active);border-color:var(--coral);color:var(--coral-ink)}.filter-dot{border-radius:50%;flex-shrink:0;width:8px;height:8px}.class-grid{grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:.75rem;margin-top:1rem;display:grid}.class-card{border:1px solid var(--border-light);border-radius:var(--radius-sm);transition:box-shadow var(--transition);color:var(--text);background:#fff;flex-direction:column;gap:.4rem;padding:1.1rem;text-decoration:none;display:flex}.class-card:visited{color:var(--text)}.class-card:hover{box-shadow:var(--shadow-md)}.class-card h3{font-size:var(--fs-3);font-weight:700}.class-card p{font-size:var(--fs-2);color:var(--text-tertiary)}.class-card-code{font-family:var(--font-mono);font-size:var(--fs-1);color:var(--text-faint);margin-top:auto}.classroom{background:#0a0a0a;flex-direction:column;display:flex;position:fixed;inset:0;overflow:hidden}.classroom-topbar{z-index:20;background:#111;border-bottom:1px solid #ffffff0f;flex-shrink:0;align-items:center;gap:.75rem;padding:.5rem 1rem;display:flex}.classroom-topbar-btn{color:#ffffffb3;font-size:var(--fs-2);cursor:pointer;background:0 0;border:1px solid #ffffff1a;border-radius:6px;align-items:center;gap:.3rem;padding:.35rem .7rem;transition:background .15s;display:inline-flex}.classroom-topbar-btn:hover{background:#ffffff0f}.classroom-error{color:#fff;background:#0a0a0a;flex-direction:column;justify-content:center;align-items:center;gap:1rem;height:100vh;display:flex}.classroom-error button{background:var(--coral);color:var(--on-coral);cursor:pointer;border:none;border-radius:8px;padding:.5rem 1rem}.classroom-topbar-title{text-align:center;font-size:var(--fs-2);color:#ffffff80;flex:1;font-weight:400}.classroom-topbar-right{gap:.5rem;display:flex}.classroom-rec-start,.classroom-rec-stop{font-size:var(--fs-2);cursor:pointer;border-radius:999px;align-items:center;gap:.35rem;padding:.35rem .75rem;font-weight:400;transition:all .15s;display:inline-flex}.classroom-rec-start{color:#ffffffb3;background:#ffffff0d;border:1px solid #ffffff26}.classroom-rec-start:hover{background:#ffffff1a}.classroom-rec-stop{color:#f87171;background:#ef444414;border:1px solid #ef444466}.classroom-rec-stop:hover{background:#ef444426}@keyframes rec-pulse{0%,to{opacity:1}50%{opacity:.2}}.classroom-rec-dot{background:#ef4444;border-radius:2px;width:9px;height:9px}.classroom-room{flex:1;position:relative;overflow:hidden}.classroom-room>div{height:100%!important}.classroom-inner{flex-direction:column;height:100%;display:flex}.classroom-main-row{flex:1;min-height:0;display:flex;overflow:hidden}.classroom-grid-area{flex:1;min-width:0;padding:.5rem;overflow:hidden}.classroom-grid-area .lk-grid-layout{gap:.5rem!important}.classroom-tile{position:relative;overflow:hidden;background:#1a1a1a!important;border:1px solid #ffffff0a!important;border-radius:10px!important}.classroom-tile:hover{border-color:#ffffff1a!important}.classroom-focus-layout{gap:4px;height:100%;display:flex}.classroom-focus-main{flex:1;min-width:0}.classroom-focus-sidebar{flex-direction:column;gap:4px;width:160px;display:flex;overflow-y:auto}.classroom-tile-screen{width:100%;height:100%}.classroom-tile-small{aspect-ratio:16/9;width:100%}.classroom-tile-name{font-size:var(--fs-2);color:#ffffffd9;z-index:2;background:linear-gradient(#0000,#0009);padding:.5rem .75rem;font-weight:400;position:absolute;bottom:0;left:0;right:0}.classroom-chat{background:#111;border-left:1px solid #ffffff0f;flex-direction:column;flex-shrink:0;width:0;min-width:0;transition:width .2s,min-width .2s;display:flex;overflow:hidden}.classroom-chat.open{width:340px;min-width:340px}.classroom-chat-custom-header{font-size:var(--fs-2);color:#ffffffb3;border-bottom:1px solid #ffffff0f;flex-shrink:0;justify-content:space-between;align-items:center;padding:.6rem .85rem;font-weight:700;display:flex}.classroom-chat-close{color:#ffffff80;cursor:pointer;background:0 0;border:none;border-radius:6px;justify-content:center;align-items:center;width:28px;height:28px;transition:background .15s,color .15s;display:flex}.classroom-chat-close:hover{color:#ffffffe6;background:#ffffff14}.classroom-chat-body{flex-direction:column;flex:1;min-height:0;display:flex;overflow:hidden}.meeting-chat{color:#ffffffd9;width:100%;height:100%;font-size:var(--fs-2);flex-direction:column;display:flex}.meeting-chat-messages{flex-direction:column;flex:1;gap:.1rem;min-height:0;padding:.5rem;display:flex;overflow-y:auto}.meeting-chat-msg{border-radius:8px;padding:.35rem .5rem;transition:background .15s;position:relative}.meeting-chat-msg:hover{background:#ffffff0a}.meeting-chat-msg.mine .meeting-chat-msg-name{color:var(--coral-ink)}.meeting-chat-msg-header{align-items:center;gap:.4rem;margin-bottom:.1rem;display:flex}.meeting-chat-msg-name{font-weight:700;font-size:var(--fs-1);color:#ffffff8c}.meeting-chat-msg-time{font-size:var(--fs-1);color:#ffffff40}.meeting-chat-msg-edited{font-size:var(--fs-1);color:#fff3;font-style:italic}.meeting-chat-msg-content{word-break:break-word;line-height:1.35;font-size:var(--fs-2)}.meeting-chat-msg-actions{gap:.15rem;display:none;position:absolute;top:2px;right:4px}.meeting-chat-msg:hover .meeting-chat-msg-actions,.meeting-chat-msg:focus-within .meeting-chat-msg-actions{display:flex}.meeting-chat-msg-action{color:#ffffff73;cursor:pointer;width:32px;height:32px;font-size:var(--fs-1);background:#ffffff0f;border:none;border-radius:4px;justify-content:center;align-items:center;transition:background .15s,color .15s;display:flex}.meeting-chat-msg-action:hover{color:#fffc;background:#ffffff1f}.meeting-chat-msg-action.danger:hover{color:#f44}.meeting-chat-reply-ref{font-size:var(--fs-1);color:#ffffff4d;border-left:2px solid #ffffff26;border-radius:0 4px 4px 0;margin-bottom:.15rem;padding:.15rem .4rem}.meeting-chat-reply-ref-author{margin-right:.3rem;font-weight:700}.meeting-chat-reply-ref-text{opacity:.7}.meeting-chat-reply-bar{font-size:var(--fs-1);color:#ffffff73;background:#ffffff0a;border-top:1px solid #ffffff0f;align-items:center;gap:.5rem;padding:.4rem .65rem;display:flex}.meeting-chat-reply-bar button{color:#fff6;cursor:pointer;background:0 0;border:none;margin-left:auto;padding:2px}.meeting-chat-reply-bar button:hover{color:#fffc}.meeting-chat-input-area{border-top:1px solid #ffffff0f;flex-shrink:0;align-items:center;gap:.4rem;padding:.5rem;display:flex}.meeting-chat-input-area textarea{resize:none;color:#ffffffd9;font-family:var(--font-body);font-size:var(--fs-2);background:#ffffff0f;border:1px solid #ffffff1a;border-radius:8px;outline:none;flex:1;padding:.45rem .65rem;line-height:1.4;transition:border-color .15s}.meeting-chat-input-area textarea:focus{border-color:#ffffff40}.meeting-chat-input-area textarea::placeholder{color:#ffffff40}.meeting-chat-send{background:var(--coral);width:34px;height:34px;color:var(--on-coral);cursor:pointer;border:none;border-radius:8px;flex-shrink:0;justify-content:center;align-items:center;transition:opacity .15s;display:flex}.meeting-chat-send:disabled{opacity:.4;cursor:default}.meeting-chat-send:not(:disabled):hover{opacity:.85}.meeting-chat-edit-row{align-items:center;gap:.3rem;display:flex}.meeting-chat-edit-row input{color:#ffffffd9;font-family:var(--font-body);font-size:var(--fs-2);background:#ffffff0f;border:1px solid #ffffff26;border-radius:6px;outline:none;flex:1;padding:.25rem .5rem}.meeting-chat-edit-row input:focus{border-color:#ffffff4d}.meeting-chat-edit-ok,.meeting-chat-edit-cancel{cursor:pointer;font-size:var(--fs-1);font-family:var(--font-body);border:none;border-radius:4px;padding:.2rem .5rem}.meeting-chat-edit-ok{background:var(--coral);color:var(--on-coral)}.meeting-chat-edit-cancel{color:#fff9;background:#ffffff14}.meeting-chat-reactions-bar{flex-wrap:wrap;gap:.2rem;margin-top:.15rem;display:flex}.meeting-chat-reaction-chip{font-size:var(--fs-1);cursor:pointer;color:#ffffff80;background:#ffffff08;border:1px solid #ffffff14;border-radius:12px;align-items:center;gap:.15rem;padding:.05rem .4rem;transition:background .15s;display:flex}.meeting-chat-reaction-chip.mine{color:#ffffffb3;background:#ff7f5014;border-color:#ff7f504d}.meeting-chat-reaction-chip:hover{background:#ffffff14}.meeting-chat-emoji-picker{z-index:20;background:#222;border:1px solid #ffffff1a;border-radius:8px;gap:.2rem;padding:.3rem;display:flex;position:absolute;left:4px;box-shadow:0 4px 12px #0006}.meeting-chat-emoji-btn{cursor:pointer;width:36px;height:36px;font-size:var(--fs-3);background:0 0;border:none;border-radius:6px;justify-content:center;align-items:center;transition:background .15s;display:flex}.meeting-chat-emoji-btn:hover{background:#ffffff1a}.meeting-chat-attach{color:#fff6;cursor:pointer;background:0 0;border:none;border-radius:8px;flex-shrink:0;justify-content:center;align-items:center;width:34px;height:34px;transition:color .15s,background .15s;display:flex}.meeting-chat-attach:hover{color:#fffc;background:#ffffff0f}.meeting-chat-attach:disabled{opacity:.3;cursor:default}.meeting-chat-pending-files{background:#ffffff05;border-top:1px solid #ffffff0f;flex-wrap:wrap;gap:.3rem;padding:.4rem .5rem;display:flex}.meeting-chat-pending-file{font-size:var(--fs-1);color:#fff9;background:#ffffff0f;border-radius:6px;align-items:center;gap:.3rem;max-width:160px;padding:.2rem .5rem;display:flex}.meeting-chat-pending-file-name{text-overflow:ellipsis;white-space:nowrap;flex:1;overflow:hidden}.meeting-chat-pending-file-remove{color:#ffffff4d;cursor:pointer;background:0 0;border:none;align-items:center;padding:0;display:flex}.meeting-chat-pending-file-remove:hover{color:#ffffffb3}.meeting-chat-attachments{flex-direction:column;gap:.25rem;margin-top:.25rem;display:flex}.meeting-chat-attachment{border-radius:6px;overflow:hidden}.meeting-chat-attachment-preview,.meeting-chat-attachment-file{font-size:var(--fs-1);background:#ffffff0a;border-radius:6px;align-items:center;gap:.35rem;padding:.25rem .5rem;display:flex}.meeting-chat-attachment a{color:#ffffffb3;text-overflow:ellipsis;white-space:nowrap;text-decoration:none;overflow:hidden}.meeting-chat-attachment a:hover{color:var(--coral-ink)}.meeting-chat-attachment-size{color:#ffffff40;font-size:var(--fs-1)}.classroom-controls{z-index:10;background:#111;border-top:1px solid #ffffff0f;flex-shrink:0;justify-content:space-between;align-items:center;padding:.6rem 1rem;display:flex}.classroom-controls-left,.classroom-controls-center,.classroom-controls-right{align-items:center;gap:.4rem;display:flex}.classroom-toggle-btn,.classroom .classroom-controls .lk-button{color:#ffffffd9!important;cursor:pointer!important;background:#ffffff14!important;border:none!important;border-radius:10px!important;justify-content:center!important;align-items:center!important;width:42px!important;height:42px!important;padding:0!important;font-size:0!important;line-height:1!important;transition:background .15s,color .15s!important;display:inline-flex!important}.classroom-toggle-btn:hover,.classroom .classroom-controls .lk-button:hover{background:#ffffff26!important}.classroom-toggle-btn svg,.classroom .classroom-controls .lk-button svg{width:20px!important;height:20px!important}.classroom .classroom-controls .lk-button[aria-pressed=false][data-lk-enabled=false]{color:#f87171!important;background:#ef444426!important}.classroom .classroom-controls .lk-button[data-lk-source=screen_share][data-lk-enabled=true]{color:#60a5fa!important;background:#3b82f626!important}.classroom-ctrl-btn{color:#f87171;font-size:var(--fs-2);cursor:pointer;background:#ef44441f;border:none;border-radius:8px;align-items:center;gap:.4rem;padding:.5rem 1.25rem;font-weight:400;transition:background .15s;display:inline-flex}.classroom-ctrl-btn:hover{background:#ef444438}.classroom-chat-toggle{color:#ffffffd9;cursor:pointer;background:#ffffff14;border:none;border-radius:10px;justify-content:center;align-items:center;width:42px;height:42px;transition:background .15s,color .15s;display:inline-flex}.classroom-chat-toggle:hover{background:#ffffff26}.classroom-chat-toggle.active{color:#a78bfa;background:#8b5cf633}.classroom .lk-focus-layout-container{height:100%!important}.classroom .lk-media-device-select{display:none}.classroom .lk-control-bar{display:none!important}.classroom .lk-device-selector button{color:#ffffffb3!important}.classroom-toolbar{z-index:10;background:#1e1e1e;border-bottom:1px solid #ffffff14;align-items:center;gap:.75rem;padding:.5rem 1rem;display:flex}.classroom-rec-btn{color:#ffffffd9;font-size:var(--fs-2);cursor:pointer;transition:all var(--transition);background:#ffffff0f;border:1px solid #fff3;border-radius:999px;align-items:center;gap:.35rem;padding:.4rem .9rem;font-weight:400;display:inline-flex}.classroom-rec-btn:hover{background:#ffffff1f;border-color:#ffffff59}.classroom-rec-btn:disabled{opacity:.35;cursor:not-allowed}.classroom-rec-active{color:#f87171;background:#ef44441a;border-color:#ef444499}.classroom-rec-hint{font-size:var(--fs-1);color:#ffffff4d;margin-right:auto}.onboarding-page{background:var(--bg);justify-content:center;align-items:center;min-height:100vh;padding:2rem;display:flex}.onboarding-card{border-radius:var(--radius);border:1px solid var(--border-light);text-align:center;background:#fff;width:100%;max-width:480px;padding:2.5rem}.onboarding-progress{justify-content:center;gap:.4rem;margin-bottom:1.5rem;display:flex}.onboarding-dot{background:var(--border);border-radius:50%;width:6px;height:6px;transition:background .3s,transform .3s}.onboarding-dot.active{background:var(--coral);transform:scale(1.3)}.onboarding-dot.done{background:var(--coral)}.onboarding-step-label{font-family:var(--font-mono);font-size:var(--fs-1);color:var(--coral-ink);margin-bottom:.5rem;font-weight:700}.onboarding-card h1{font-size:var(--fs-4);margin-bottom:.35rem;font-weight:700}.onboarding-desc{color:var(--text-secondary);font-size:var(--fs-3);margin-bottom:1.5rem;line-height:1.6}.onboarding-form{text-align:left;flex-direction:column;gap:.75rem;display:flex}.onboarding-form input{border-radius:var(--radius-sm);border:1px solid var(--border);font-family:var(--font-body);font-size:var(--fs-3);color:var(--text);transition:border-color var(--transition);background:#fff;outline:none;padding:.6rem .85rem}.onboarding-form input:focus{border-color:var(--coral)}.onboarding-actions{justify-content:center;gap:.75rem;margin-top:1.5rem;display:flex}.role-cards{gap:1rem;margin:1rem 0;display:flex}.role-card{border-radius:var(--radius-sm);border:2px solid var(--border-light);background:var(--bg);cursor:pointer;flex-direction:column;flex:1;align-items:center;gap:.4rem;padding:1.25rem .75rem;transition:border-color .2s,background .2s;display:flex}.role-card:hover{border-color:var(--coral)}.role-card.selected{border-color:var(--coral);background:var(--bg-active)}.role-emoji{font-size:var(--fs-5);line-height:1}.role-card strong{font-size:var(--fs-3);color:var(--text)}.role-card span:last-child{font-size:var(--fs-1);color:var(--text-tertiary)}.onboarding-form .code-field{text-align:left}.onboarding-form .code-field label{font-size:var(--fs-2);color:var(--text-secondary);margin-bottom:.3rem;font-weight:700;display:block}.onboarding-invite{text-align:center}.onboarding-code-box{border-radius:var(--radius-sm);border:1px solid var(--border-light);background:var(--bg);flex-wrap:wrap;justify-content:center;align-items:center;gap:.75rem;margin-bottom:1rem;padding:1rem 1.25rem;display:flex}.onboarding-code-box span{font-size:var(--fs-2);color:var(--text-secondary);font-weight:400}.onboarding-code-box code{font-family:var(--font-mono);font-size:var(--fs-4);color:var(--coral-ink);letter-spacing:.05em;font-weight:700}.btn-ghost-sm{border-radius:var(--radius-xs);border:1px solid var(--border);font-size:var(--fs-2);color:var(--text-secondary);cursor:pointer;transition:background var(--transition), border-color var(--transition);background:#fff;padding:.3rem .65rem;font-weight:400}.btn-ghost-sm:hover{background:var(--bg-hover);border-color:var(--text-tertiary)}.onboarding-hint{font-size:var(--fs-2);color:var(--text-tertiary);margin-bottom:1rem;line-height:1.5}.onboarding-done{text-align:left}.onboarding-tips{flex-direction:column;gap:.6rem;margin-bottom:1.5rem;padding:0;list-style:none;display:flex}.onboarding-tips li{background:var(--bg);border-radius:var(--radius-sm);border:1px solid var(--border-light);font-size:var(--fs-2);color:var(--text-secondary);padding:.65rem .85rem .65rem 2.25rem;line-height:1.45;position:relative}.onboarding-tips li:before{content:"";background:var(--coral);border-radius:50%;width:8px;height:8px;position:absolute;top:50%;left:.85rem;transform:translateY(-50%)}.onboarding-tips li strong{color:var(--text)}.onboarding-app-icon{color:#fff;background:linear-gradient(135deg,#34a853,#0f9d58);border-radius:16px;justify-content:center;align-items:center;width:56px;height:56px;margin:0 auto 1rem;display:flex}.onboarding-app-icon-desktop{background:linear-gradient(135deg, var(--coral), #e86a3a)}.onboarding-app-section{margin:1.25rem 0}.onboarding-app-btn{border-radius:var(--radius-sm);border:1px solid var(--border);cursor:pointer;transition:background var(--transition), box-shadow var(--transition);background:#fff;align-items:center;gap:.65rem;width:100%;padding:.65rem 1.25rem;display:inline-flex}.onboarding-app-btn:hover{background:var(--bg-hover);box-shadow:var(--shadow-sm)}.onboarding-app-btn small{font-size:var(--fs-1);color:var(--text-tertiary);font-weight:400;line-height:1;display:block}.onboarding-app-btn strong{font-size:var(--fs-3);color:var(--text);font-weight:700;line-height:1.3;display:block}.onboarding-app-btn-text{text-align:left}.onboarding-app-hint{font-size:var(--fs-1);color:var(--text-faint);margin-top:.5rem}.onboarding-web-link{cursor:pointer;font-size:var(--fs-2);color:var(--coral-ink);transition:opacity var(--transition);background:0 0;border:none;align-items:center;gap:.3rem;padding:0;font-weight:400;display:inline-flex}.onboarding-web-link:hover{opacity:.8;text-decoration:underline}.verify-icon{border-radius:50%;justify-content:center;align-items:center;width:72px;height:72px;margin-bottom:1rem;display:inline-flex}.verify-icon--success{background:var(--green-bg);color:var(--green)}.verify-icon--error{background:var(--red-bg);color:var(--red)}.verify-icon--email{color:#3b82f6;background:#3b82f61a}.mural-event-card{border-radius:var(--radius-sm);border:1px solid var(--border-light);background:#fff;align-items:center;gap:.75rem;margin:.75rem 0 .5rem;padding:.75rem 1rem;display:flex}.mural-event-icon-wrap{border-radius:var(--radius-xs);flex-shrink:0;justify-content:center;align-items:center;width:34px;height:34px;display:flex}.mural-event-body{flex-direction:column;gap:.1rem;min-width:0;display:flex}.mural-event-label{font-size:var(--fs-1);color:var(--text-tertiary);font-weight:700}.mural-event-title{font-size:var(--fs-3);color:var(--text);text-overflow:ellipsis;white-space:nowrap;font-weight:400;overflow:hidden}.mural-event-meta{font-size:var(--fs-1);color:var(--text-faint)}.mural-event-actions{flex-shrink:0;align-items:center;display:flex}.check-email-text{font-size:var(--fs-3);color:var(--text-tertiary);margin-top:.5rem;line-height:1.5}@media (width<=768px){.app-header{gap:1rem}.app-user span{display:none}.class-detail-actions,.role-cards,.form-row{flex-direction:column}.upload-form{flex-direction:column;align-items:stretch}.meeting-card{flex-direction:column;align-items:flex-start;gap:.5rem}.activity-card,.class-detail-header{flex-direction:column;align-items:flex-start}.aggregate-actions{align-self:flex-end}.filter-tabs{flex-wrap:wrap}.stat-grid{grid-template-columns:repeat(2,1fr)}.form-actions{flex-direction:column}.form-actions .btn-primary,.form-actions .btn-secondary,.form-actions .btn-ghost{justify-content:center;width:100%}.sidebar{z-index:50;width:min(var(--sidebar-w), 100vw);transform:translate(-100%)}.sidebar.collapsed{width:min(var(--sidebar-w), 100vw)}.sidebar.mobile-open{transform:translate(0);box-shadow:4px 0 24px #1e1b181f}.sidebar-main,.sidebar-collapsed .sidebar-main{margin-left:0!important}.sidebar-mobile-toggle{display:flex}.sidebar-overlay{display:block}.sidebar-overlay.hidden{display:none}.reunioes-card{gap:.6rem;min-width:0;max-width:100%;padding:.6rem .7rem}.reunioes-card-top h3{white-space:normal;overflow-wrap:anywhere}.reunioes-card-actions{flex-direction:column;align-items:flex-end;gap:.35rem}.reunioes-card-link-text{display:none}.reunioes-hero{flex-flow:column wrap;align-items:flex-start;gap:.75rem}.reunioes-hero-stats{align-self:flex-start;width:100%;margin-left:0}.aggregate-card{align-items:flex-start;min-width:0;max-width:100%}.aggregate-color-bar{align-self:stretch;height:auto;min-height:32px}.activity-title{overflow-wrap:anywhere}.class-grid{grid-template-columns:1fr}.sidebar-main-inner{padding-left:1rem;padding-right:1rem}.radix-dialog-content.modal-content{width:calc(100vw - 2rem);max-width:calc(100vw - 2rem)}.radix-dialog-content.modal-wide{max-width:calc(100vw - 2rem)}.tab-toolbar{flex-direction:column-reverse;align-items:stretch;gap:.5rem;width:100%}.tab-toolbar .btn-primary,.tab-toolbar .btn-ghost,.tab-toolbar .btn-secondary,.tab-toolbar a.btn-ghost{justify-content:center;width:100%}}.invite-list{flex-direction:column;gap:.35rem;display:flex}.invite-item{border-radius:var(--radius-sm);border:1px solid var(--border-light);background:#fff;justify-content:space-between;align-items:center;padding:.6rem .85rem;display:flex}.invite-item.invite-inactive{opacity:.5}.invite-info{flex-direction:column;display:flex}.invite-token{font-family:var(--font-mono);font-size:var(--fs-2);color:var(--text);font-weight:700}.invite-meta{font-size:var(--fs-1);color:var(--text-tertiary)}.invite-results{border-top:1px solid var(--border-light);flex-direction:column;gap:.35rem;margin-top:.75rem;padding-top:.75rem;display:flex}.invite-result{border-radius:var(--radius-xs);font-size:var(--fs-2);justify-content:space-between;padding:.4rem .6rem;display:flex}.invite-result-ok{background:var(--green-bg);color:var(--green)}.invite-result-err{background:var(--red-bg);color:var(--red)}.spin{animation:1s linear infinite spin}.color-picker{flex-wrap:wrap;gap:6px;padding:.5rem 0;display:flex}.color-swatch{border-radius:var(--radius-xs);cursor:pointer;width:28px;height:28px;transition:border-color var(--transition), transform var(--transition);border:2px solid #0000}.color-swatch:hover{transform:scale(1.15)}.color-swatch-active{border-color:var(--text);box-shadow:0 0 0 2px #fff, 0 0 0 4px var(--text)}.class-card-header{align-items:center;gap:.75rem;margin-bottom:.5rem;display:flex}.class-card-avatar{border-radius:var(--radius-xs);width:36px;height:36px;font-size:var(--fs-2);color:#fff;flex-shrink:0;justify-content:center;align-items:center;font-weight:700;display:flex}.settings-danger-zone{border-radius:var(--radius-sm);background:#ef444408;border:1px solid #ef444426;margin-top:1.5rem;padding:1rem}.settings-danger-zone h3{font-size:var(--fs-2);color:var(--red);margin-bottom:.5rem;font-weight:700}.settings-danger-zone p{font-size:var(--fs-2);color:var(--text-tertiary);margin-bottom:.75rem}.sidebar-mobile-toggle{z-index:45;border-radius:var(--radius-sm);border:1px solid var(--border-light);width:40px;height:40px;color:var(--text-secondary);cursor:pointer;box-shadow:var(--shadow-sm);transition:background var(--transition);background:#fff;justify-content:center;align-items:center;display:none;position:fixed;top:.5rem;left:.5rem}.sidebar-mobile-toggle:hover{background:var(--bg-hover)}.sidebar-overlay{z-index:45;background:#1e1b1833;display:none;position:fixed;inset:0}.sidebar-main-mobile-bar{display:none}@media (width<=768px){.sidebar-main-mobile-bar{background:var(--card);border-bottom:1px solid var(--border-light);z-index:30;align-items:center;gap:.75rem;height:48px;padding:.5rem 1rem;display:flex;position:sticky;top:0}.sidebar-main-mobile-bar .sidebar-mobile-toggle{box-shadow:none;background:0 0;border:none;width:auto;height:auto;padding:.25rem;display:flex;position:static}.sidebar-main-mobile-bar img{height:22px}.sidebar-main-mobile-bar span{font-size:var(--fs-2);color:var(--text-secondary);font-weight:400}}.reunioes-page{min-width:0;max-width:100%;animation:.3s page-in}@keyframes page-in{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}.reunioes-hero{border-bottom:1px solid var(--border-light);align-items:center;gap:1rem;margin-bottom:1.5rem;padding-bottom:1rem;display:flex}.reunioes-hero-icon{border-radius:var(--radius-sm);background:linear-gradient(135deg, var(--coral), #e86a3a);width:44px;height:44px;color:var(--on-coral);flex-shrink:0;justify-content:center;align-items:center;display:flex}.reunioes-hero-text{flex:auto;min-width:0}.reunioes-hero-text h1{font-size:var(--fs-4);overflow-wrap:anywhere;font-weight:700;line-height:1.2}.reunioes-hero-text p{font-size:var(--fs-2);color:var(--text-tertiary);margin-top:.15rem}.reunioes-hero-stats{flex-shrink:0;margin-left:auto}.reunioes-filter{-webkit-overflow-scrolling:touch;gap:.35rem;min-width:0;max-width:100%;margin-bottom:1.25rem;padding-bottom:.25rem;display:flex;overflow-x:auto}.reunioes-filter-btn{border:1px solid var(--border-light);font-size:var(--fs-2);color:var(--text-secondary);cursor:pointer;white-space:nowrap;transition:all var(--transition);background:#fff;border-radius:999px;align-items:center;gap:.35rem;padding:.4rem .85rem;font-weight:400;display:inline-flex}.reunioes-filter-btn:hover{background:var(--bg-hover)}.reunioes-filter-btn.active,.reunioes-filter-btn[data-state=active]{background:var(--text);color:#fff;border-color:var(--text)}.reunioes-filter-btn.active .reunioes-filter-dot,.reunioes-filter-btn[data-state=active] .reunioes-filter-dot{box-shadow:0 0 0 2px #fff6}.reunioes-filter-dot{width:8px;height:8px;transition:box-shadow var(--transition);border-radius:50%;flex-shrink:0}.reunioes-empty{text-align:center;color:var(--text-tertiary);padding:4rem 1rem}.reunioes-empty-icon{background:var(--bg-alt);width:64px;height:64px;color:var(--text-faint);border-radius:50%;justify-content:center;align-items:center;margin:0 auto 1rem;display:flex}.reunioes-empty h3{font-size:var(--fs-3);color:var(--text);margin-bottom:.35rem;font-weight:700}.reunioes-empty p{font-size:var(--fs-3)}.reunioes-section{margin-bottom:2rem}.reunioes-section-past{opacity:.85}.reunioes-section-header{justify-content:space-between;align-items:center;margin-bottom:.75rem;display:flex}.reunioes-section-label{color:var(--text-secondary);align-items:center;gap:.4rem;display:flex}.reunioes-section-label h2{font-size:var(--fs-3);color:var(--text-secondary);font-weight:700}.reunioes-section-count{font-size:var(--fs-1);color:var(--text-faint);background:var(--bg-alt);letter-spacing:.02em;border-radius:999px;padding:.2rem .55rem;font-weight:700}.reunioes-list{flex-direction:column;gap:.5rem;display:flex}.reunioes-card-link-block{color:inherit;animation:.35s backwards card-slide-in;animation-delay:var(--card-delay,0s);text-decoration:none;display:block}.reunioes-card-link-block .reunioes-card{cursor:pointer}.reunioes-card{border:1px solid var(--border-light);border-radius:var(--radius-sm);transition:box-shadow var(--transition), background var(--transition);animation:.35s backwards card-slide-in;animation-delay:var(--card-delay,0s);background:#fff;align-items:center;gap:.75rem;padding:.65rem .85rem;display:flex;position:relative;overflow:hidden}.reunioes-card-link-block .reunioes-card{animation:none}@keyframes card-slide-in{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.reunioes-card:hover{box-shadow:var(--shadow-md)}.reunioes-card-past{background:var(--card)}.reunioes-card-clickable:hover,.reunioes-card-link-block:hover .reunioes-card-clickable{box-shadow:var(--shadow-sm);background:var(--bg-hover)}.reunioes-card-top{flex-wrap:wrap;align-items:center;gap:.4rem;min-width:0;margin-bottom:.12rem;display:flex}.reunioes-card-top h3{font-size:var(--fs-3);color:var(--text);text-overflow:ellipsis;white-space:nowrap;flex:auto;min-width:0;font-weight:700;overflow:hidden}.reunioes-card-past-completed{background:var(--green-bg);color:var(--green)}.reunioes-card-past-cancelled{background:var(--bg-alt);color:var(--text-faint)}.reunioes-card-body{flex:1;min-width:0}.reunioes-card-meta{font-size:var(--fs-1);color:var(--text-tertiary);flex-wrap:wrap;align-items:center;gap:.35rem .65rem;display:flex}.reunioes-card-class{align-items:center;gap:.3rem;font-weight:400;display:inline-flex}.reunioes-class-dot{border-radius:50%;flex-shrink:0;width:7px;height:7px}.reunioes-card-time{align-items:center;gap:.3rem;display:inline-flex}.reunioes-card-duration{background:var(--bg-alt);font-size:var(--fs-1);border-radius:3px;padding:.1rem .35rem}.reunioes-card-relative{color:var(--coral-ink);font-weight:400;font-size:var(--fs-1)}.reunioes-card-actions{flex-shrink:0;align-items:center;gap:.4rem;display:flex}.reunioes-card-chevron{color:var(--text-faint);flex-shrink:0}.reunioes-card-join{border-radius:var(--radius-sm);background:var(--coral);color:var(--on-coral);font-size:var(--fs-2);cursor:pointer;transition:background var(--transition), transform .1s ease;white-space:nowrap;border:none;align-items:center;gap:.3rem;padding:.3rem .65rem;font-weight:700;display:inline-flex}.reunioes-card-join:hover{background:var(--coral-hover);transform:scale(1.03)}.reunioes-card-link{font-size:var(--fs-2);color:var(--text-tertiary);transition:color var(--transition);align-items:center;gap:.2rem;font-weight:400;text-decoration:none;display:inline-flex}.reunioes-card-link:hover,.reunioes-card-link:hover .reunioes-card-chevron{color:var(--coral-ink)}.reunioes-card-link-text{white-space:nowrap}.profile-page{max-width:540px;margin:0 auto}.profile-page h1{font-size:var(--fs-6);letter-spacing:0;margin-bottom:1.5rem;font-weight:800}.profile-header{align-items:center;gap:1rem;margin-bottom:1.5rem;display:flex}.profile-avatar-wrap{position:relative}.profile-avatar-img{border-radius:var(--radius-sm);object-fit:cover;width:64px;height:64px}.profile-avatar-initials{width:64px;height:64px;font-size:var(--fs-5);border-radius:var(--radius-sm)}.profile-avatar-edit{background:var(--bg-alt);width:26px;height:26px;color:var(--text-secondary);cursor:pointer;border:2px solid var(--bg);transition:background var(--transition), color var(--transition);border-radius:50%;justify-content:center;align-items:center;display:flex;position:absolute;bottom:-4px;right:-4px}.profile-avatar-edit:hover{background:var(--coral);color:var(--on-coral)}.profile-info-name{font-weight:700;font-size:var(--fs-3)}.profile-info-role{font-size:var(--fs-2);color:var(--text-tertiary)}.profile-saved{font-size:var(--fs-2);color:var(--green);font-weight:400}.profile-usage-card{background:var(--bg-alt);border:1px solid var(--border);border-radius:var(--radius-md);box-shadow:var(--shadow-xs);margin-bottom:2rem;padding:1.25rem 1.35rem}.profile-usage-title{font-size:var(--fs-3);letter-spacing:0;margin:0 0 .35rem;font-weight:700}.profile-usage-plan{font-size:var(--fs-3);color:var(--text-secondary);margin:0 0 1rem}.usage-meter-grid{flex-direction:column;gap:.85rem;display:flex}.usage-meter__head{justify-content:space-between;align-items:baseline;gap:.75rem;display:flex}.usage-meter__label{font-size:var(--fs-2);color:var(--text);font-weight:700}.usage-meter__value{font-size:var(--fs-2);color:var(--text-secondary);font-variant-numeric:tabular-nums}.usage-meter__hint{font-size:var(--fs-1);color:var(--text-faint);margin:.25rem 0 0;line-height:1.45}.profile-upgrade{border-top:1px solid var(--border);flex-wrap:wrap;align-items:center;gap:.75rem;margin-top:1.25rem;padding-top:1rem;display:flex}.profile-upgrade p{font-size:var(--fs-2);color:var(--text-secondary);flex:200px;margin:0}.plan-limit-modal__text{font-size:var(--fs-3);color:var(--text-secondary);margin:0 0 .75rem;line-height:1.55}.plan-limit-modal__meta{font-size:var(--fs-2);color:var(--text-faint);margin:0 0 .5rem}.plan-limit-modal__hint{font-size:var(--fs-2);color:var(--text-tertiary);margin:.75rem 0 1rem;line-height:1.5}.plan-limit-modal__actions{flex-wrap:wrap;align-items:center;gap:.5rem;display:flex}.activity-detail-page{animation:.3s page-in}.activity-detail-back{margin-bottom:1rem}.activity-detail-back a{font-size:var(--fs-2);color:var(--text-tertiary);transition:color var(--transition);align-items:center;gap:.35rem;font-weight:400;display:inline-flex}.activity-detail-back a:hover{color:var(--text)}.activity-detail-header{border-bottom:1px solid var(--border-light);margin-bottom:1.5rem;padding-bottom:1rem}.activity-detail-header-top{align-items:center;gap:.75rem;margin-bottom:.5rem;display:flex}.activity-detail-header h1{font-size:var(--fs-4);margin-bottom:.4rem;font-weight:700}.activity-detail-description{font-size:var(--fs-3);color:var(--text-secondary);margin-bottom:.5rem;line-height:1.6}.activity-detail-meta{font-size:var(--fs-2);color:var(--text-tertiary);gap:1rem;display:flex}.activity-detail-due{font-size:var(--fs-2);color:var(--text-tertiary);align-items:center;gap:.3rem;display:inline-flex}.activity-detail-due.overdue{color:var(--red)}.activity-detail-section{margin-bottom:1.5rem}.activity-detail-section h2{font-size:var(--fs-3);margin-bottom:.75rem;font-weight:700}.activity-detail-section h3{font-size:var(--fs-3);margin-bottom:.5rem;font-weight:700}.activity-detail-closed{font-size:var(--fs-2);color:var(--red);padding:.5rem 0}.activity-submit-form{border-radius:var(--radius-sm);border:1px solid var(--border-light);background:var(--card);flex-direction:column;gap:.75rem;padding:1rem;display:flex}.activity-student-list{flex-direction:column;gap:.5rem;display:flex}.activity-student-group{border:1px solid var(--border-light);border-radius:var(--radius-sm);background:var(--card);overflow:hidden}.activity-student-header{cursor:pointer;transition:background var(--transition);justify-content:space-between;align-items:center;padding:.65rem .85rem;display:flex}.activity-student-header:hover{background:var(--bg-hover)}.activity-student-info{align-items:center;gap:.6rem;display:flex}.activity-student-avatar{background:var(--bg-alt);width:28px;height:28px;font-size:var(--fs-1);color:var(--text-secondary);border-radius:50%;justify-content:center;align-items:center;font-weight:700;display:flex}.activity-student-name{font-size:var(--fs-3);font-weight:400}.activity-student-count{font-size:var(--fs-1);color:var(--text-faint)}.activity-student-status{align-items:center;gap:.5rem;display:flex}.activity-graded-badge{font-size:var(--fs-1);color:var(--green);align-items:center;gap:.25rem;font-weight:700;display:inline-flex}.activity-student-chevron{color:var(--text-faint);transition:transform .15s}.activity-student-chevron.rotated{transform:rotate(90deg)}.activity-student-subs{border-top:1px solid var(--border-light);padding:.75rem}.activity-sub-detail{border-radius:var(--radius-sm);border:1px solid var(--border-light);background:var(--bg);margin-bottom:.5rem;padding:.75rem}.activity-sub-detail:last-child{margin-bottom:0}.activity-sub-row{justify-content:space-between;align-items:flex-start;gap:.75rem;display:flex}.activity-sub-content{flex:1;min-width:0}.activity-sub-content p{font-size:var(--fs-2);color:var(--text);margin-bottom:.3rem}.activity-sub-file{font-size:var(--fs-2);color:var(--text-secondary);flex-wrap:wrap;align-items:center;gap:.35rem;margin-bottom:.2rem;display:inline-flex}.activity-sub-size{color:var(--text-faint)}.activity-sub-dl{color:var(--coral-ink);font-weight:400;font-size:var(--fs-1);align-items:center;gap:.2rem;display:inline-flex}.activity-sub-dl:hover{text-decoration:underline}.activity-sub-date{font-size:var(--fs-1);color:var(--text-faint);display:block}.activity-sub-grade{text-align:right;flex-shrink:0}.grade-form-inline{border-radius:var(--radius-sm);border:1px solid var(--border-light);background:var(--card);flex-direction:column;gap:.5rem;margin-top:.75rem;padding:.75rem;display:flex}.file-preview-overlay{z-index:100;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);background:#1e1b1866;justify-content:center;align-items:center;padding:1.5rem;display:flex;position:fixed;inset:0}.file-preview-modal{background:var(--card);border-radius:var(--radius);width:100%;max-width:800px;max-height:85vh;box-shadow:var(--shadow-xl);flex-direction:column;display:flex;overflow:hidden}.file-preview-header{border-bottom:1px solid var(--border-light);font-size:var(--fs-2);justify-content:space-between;align-items:center;padding:.65rem 1rem;font-weight:400;display:flex}.file-preview-body{background:var(--bg-alt);flex:1;justify-content:center;align-items:center;min-height:300px;display:flex;overflow:auto}.file-preview-body img{object-fit:contain;max-width:100%;max-height:70vh}.file-preview-body iframe{border:none;width:100%;height:70vh}.activity-detail-submissions{margin-top:1rem}.generator-modal{flex-direction:column;gap:.75rem;display:flex}.generator-modal input,.generator-modal textarea{color:var(--text);background:#fff}.gen-sources{border:1px solid var(--border);border-radius:var(--radius-sm);max-height:260px;padding:.5rem;overflow-y:auto}.gen-source-group{margin-bottom:.5rem}.gen-source-group:last-child{margin-bottom:0}.gen-source-label{font-size:var(--fs-2);color:var(--text-secondary);align-items:center;gap:.35rem;margin-bottom:.25rem;padding:.2rem 0;font-weight:700;display:flex}.gen-source-item{border-radius:var(--radius-sm);cursor:pointer;font-size:var(--fs-2);align-items:center;gap:.5rem;padding:.35rem .5rem;transition:background .15s;display:flex}.gen-source-item:hover{background:var(--bg-hover)}.gen-source-item.selected{background:var(--coral-bg)}.gen-source-item input[type=checkbox]{accent-color:var(--coral);width:15px;height:15px}.gen-source-item span{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.gen-meeting-item{padding:.25rem .5rem}.gen-meeting-title{font-size:var(--fs-2);font-weight:400}.gen-source-check{font-size:var(--fs-2);color:var(--text-secondary);cursor:pointer;align-items:center;gap:.25rem;margin-left:.5rem;display:inline-flex}.gen-source-check input{accent-color:var(--coral);width:13px;height:13px}.gen-output-types{flex-wrap:wrap;gap:.35rem;display:flex}.gen-output-btn{border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--bg);font-size:var(--fs-2);cursor:pointer;align-items:center;gap:.3rem;padding:.4rem .65rem;transition:all .15s;display:flex}.gen-output-btn:hover{border-color:var(--coral);background:var(--coral-bg)}.gen-output-btn.active{background:var(--coral);color:#fff;border-color:var(--coral)}.gen-preview-header{align-items:center;gap:.5rem;margin-bottom:.5rem;display:flex}.gen-preview-type{font-size:var(--fs-1);border-radius:var(--radius-sm);background:var(--coral-bg);color:var(--coral-ink);white-space:nowrap;padding:.2rem .5rem;font-weight:700}.gen-preview-title{border:1px solid var(--border);border-radius:var(--radius-sm);font-size:var(--fs-3);color:var(--text);background:#fff;outline:none;flex:1;padding:.35rem .5rem;font-weight:400}.gen-preview-title:focus{border-color:var(--coral)}.gen-preview-content{border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--bg);max-height:350px;color:var(--text);padding:.75rem;overflow-y:auto}.gen-preview-content .markdown-body{color:var(--text)}.gen-quiz-preview{flex-direction:column;gap:.75rem;display:flex}.gen-quiz-q{border:1px solid var(--border);border-radius:var(--radius-sm);padding:.5rem}.gen-quiz-q-header{justify-content:space-between;align-items:flex-start;gap:.5rem;margin-bottom:.35rem;display:flex}.gen-quiz-q-header strong{font-size:var(--fs-3)}.gen-quiz-q-type{font-size:var(--fs-1);border-radius:var(--radius-sm);background:var(--bg-hover);color:var(--text-secondary);white-space:nowrap;padding:.15rem .4rem}.gen-quiz-options{flex-direction:column;gap:.2rem;margin:.25rem 0;display:flex}.gen-quiz-opt{font-size:var(--fs-2);border-radius:var(--radius-sm);padding:.2rem .4rem}.gen-quiz-opt.correct{color:#16a34a;background:#22c55e1f;font-weight:400}.gen-quiz-answer{font-size:var(--fs-2);color:var(--text-secondary);margin-top:.2rem}.gen-quiz-explanation{font-size:var(--fs-2);color:var(--text-secondary);margin-top:.2rem;font-style:italic}.toast-container{z-index:10000;pointer-events:none;flex-direction:column;gap:.5rem;display:flex;position:fixed;bottom:1.5rem;right:1.5rem}.toast{border-radius:var(--radius-sm);background:var(--bg-ink);color:#fff;font-size:var(--fs-2);pointer-events:auto;cursor:pointer;align-items:center;gap:.5rem;max-width:380px;padding:.65rem 1rem;font-weight:400;animation:.25s toast-in;display:flex;box-shadow:0 8px 24px #1e1b1833}.toast-success .toast-icon{color:#4ade80}.toast-error .toast-icon{color:#f87171}.toast-info .toast-icon{color:#60a5fa}.toast-msg{flex:1}.toast-close{color:#ffffff80;cursor:pointer;background:0 0;border:none;align-items:center;padding:2px;display:flex}.toast-close:hover{color:#fff}@keyframes toast-in{0%{opacity:0;transform:translateY(12px)scale(.96)}to{opacity:1;transform:translateY(0)scale(1)}}.recording-status-processing{font-size:var(--fs-1);color:var(--coral-ink);align-items:center;gap:.35rem;margin-left:.5rem;font-weight:400;display:inline-flex}.recording-pulse{background:linear-gradient(90deg, var(--border) 0 35%, var(--coral) 35% 65%, var(--border) 65%);background-size:300% 100%;border-radius:2px;width:22px;height:3px;animation:1.4s linear infinite sweep}.skip-link{z-index:10000;background:var(--coral);color:var(--on-coral);border-radius:0 0 .25rem .25rem;padding:.5rem 1rem;font-weight:700;text-decoration:none;position:absolute;top:0;left:-9999px}.skip-link:focus{left:0}.dark .btn-secondary{background:var(--card);border-color:var(--border);color:var(--text)}.dark .btn-secondary:hover{background:var(--bg-hover);border-color:var(--text-tertiary)}.dark .form-group input,.dark .form-group textarea,.dark .form-group select{border-color:var(--border);color:var(--text);--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;background:#0a0f1a}.dark .form-group input:focus,.dark .form-group textarea:focus,.dark .form-group select:focus{border-color:var(--coral);box-shadow:0 0 0 3px #00d9ff1f}.dark .form-group input::placeholder,.dark .form-group textarea::placeholder{color:var(--text-faint)}.dark .form-group-input-danger{border-color:var(--border);color:var(--text);background:#0a0f1a}.dark .form-group-input-danger:focus{border-color:var(--coral);box-shadow:0 0 0 3px #00d9ff1f}.dark .modal-overlay{background:#0009}.dark .modal-content{background:var(--card);border:1px solid var(--border);box-shadow:0 0 40px #00d9ff0d}.dark .auth-card{background:var(--card);border-color:var(--border);box-shadow:0 0 40px #00d9ff0d}.dark .auth-card h1:after{background:linear-gradient(135deg,#00d9ff,#009dff)}.dark .auth-form input{border-color:var(--border);color:var(--text);background:#0a0f1a}.dark .auth-form input:focus{border-color:var(--coral);box-shadow:0 0 0 3px #00d9ff1f}.dark .auth-form .login-error{background:var(--red-bg);border-color:#ef444426}.dark .auth-exists-card{background:#00d9ff0f;border-color:#00d9ff33}.dark .auth-exists-title{color:var(--text)}.dark .auth-exists-text{color:#fff9}.dark .auth-link a{color:var(--coral-ink)}.dark .app-header{-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-color:var(--border);background:#060b14d9}.dark .sidebar{background:var(--bg);border-color:var(--border)}.dark .sidebar-link:hover{color:var(--text);background:#ffffff0a}.dark .sidebar-link.active{color:var(--coral-ink);background:#00d9ff1a}.dark .sidebar-footer{border-color:var(--border)}.dark .sidebar-avatar{color:var(--coral-ink);background:#00d9ff1f}.dark .card{background:var(--card);border-color:var(--border)}.dark .card:hover{box-shadow:0 0 20px #00d9ff0f}.dark .mural-composer{background:var(--card);border-color:var(--border)}.dark .mural-composer-input{color:var(--text);caret-color:var(--text)}.dark .mural-composer-input::placeholder{color:var(--text-faint)}.dark .markdown-body{color:var(--text)}.dark .markdown-body code{color:var(--coral-ink);background:#00d9ff14}.dark .markdown-body pre{background:#0a0f1a}.dark .markdown-body a{color:var(--coral-ink)}.dark .markdown-body blockquote{border-color:var(--coral);color:var(--text-secondary)}.dark .markdown-body th{background:var(--bg-alt)}.dark .post-avatar{color:var(--coral-ink);background:#00d9ff1a}.dark .post-item,.dark .post-replies,.dark .reply-item+.reply-item{border-color:var(--border)}.dark .reply-form input{border-color:var(--border);color:var(--text);background:#0a0f1a}.dark .meeting-card{background:var(--card);border-color:var(--border)}.dark .meeting-card:hover{background:var(--bg-hover);box-shadow:0 0 20px #00d9ff0f}.dark .recording-card{background:var(--card);border-color:var(--border)}.dark .summary-content{background:var(--bg-alt);border-color:var(--border)}.dark .transcript-content{background:var(--bg-alt)}.dark .transcript-line{border-color:var(--border)}.dark .activity-card{background:var(--card);border-color:var(--border)}.dark .activity-card:hover{background:var(--bg-hover);box-shadow:0 0 20px #00d9ff0f}.dark .submit-form,.dark .submission-card{background:var(--card);border-color:var(--border)}.dark .grade-form{background:var(--bg-alt);border-color:var(--border)}.dark .material-card{background:var(--card);border-color:var(--border)}.dark .material-icon{color:var(--coral-ink);background:#00d9ff14}.dark .material-library-card,.dark .share-class-row{background:var(--card);border-color:var(--border)}.dark .upload-file-label{background:var(--card);border-color:var(--border);color:var(--text-secondary)}.dark .people-teacher{background:#00d9ff0f;border-color:#00d9ff1f}.dark .people-teacher .post-avatar{background:var(--coral);color:#060b14}.dark .people-teacher-role{color:var(--coral-ink)}.dark .stat-card,.dark .upcoming-card,.dark .aggregate-card{background:var(--card);border-color:var(--border)}.dark .aggregate-card:hover{box-shadow:0 0 20px #00d9ff0f}.dark .filter-tab{background:var(--card);border-color:var(--border);color:var(--text-secondary)}.dark .filter-tab:hover{background:var(--bg-hover)}.dark .filter-tab.active{border-color:var(--coral);color:var(--coral-ink);background:#00d9ff14}.dark .class-card{background:var(--card);border-color:var(--border)}.dark .class-card:hover{box-shadow:0 0 24px #00d9ff14}.dark .toast{border:1px solid var(--border);background:#111c2b;box-shadow:0 8px 24px #0006}.dark .strength-bar,.dark .auth-divider:before,.dark .auth-divider:after{background:var(--border)}.dark .mural-toolbar-btn.active{background:var(--bg-hover)}.dark .status-scheduled,.dark .status-cancelled{background:var(--bg-alt)}.dark .aggregate-class-badge{background:var(--bg-alt);color:var(--text-tertiary)}.dark .class-detail-code{background:var(--bg-alt);color:var(--text-secondary)}.dark .sidebar-main-mobile-bar{-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-color:var(--border);background:#060b14d9}.dark .sidebar-mobile-toggle{background:var(--card);border-color:var(--border);color:var(--text)}.dark .sidebar-overlay{background:#0009}.dark .gen-output-btn{background:var(--bg-alt);border-color:var(--border);color:var(--text-secondary)}.dark .generator-modal input,.dark .generator-modal textarea{color:var(--text);border-color:var(--border);background:#0a0f1a}.dark .gen-preview-title,.dark .gen-preview-content{border-color:var(--border);color:var(--text);background:#0a0f1a}.dark .gen-preview-content .markdown-body{color:var(--text)}.dark .gen-quiz-q{border-color:var(--border)}.dark .quiz-question-card{background:var(--bg-alt);border-color:var(--border)}.dark .quiz-option-input,.dark .quiz-question-input{border-color:var(--border);color:var(--text);background:#0a0f1a}.dark .uc-content-card{background:var(--card);border-color:var(--border)}.dark .uc-quiz-question{border-color:var(--border)}.dark .profile-card{background:var(--card);border-color:var(--border)}.dark .profile-avatar-large{color:var(--coral-ink);background:#00d9ff1f}.dark .onboarding-card,.dark .mural-event-card,.dark .reunioes-card{background:var(--card);border-color:var(--border)}.dark .reunioes-card:hover{background:var(--bg-hover)}.dark .reunioes-filter-btn{background:var(--card);border-color:var(--border);color:var(--text-secondary)}.dark .reunioes-filter-btn:hover{background:var(--bg-hover)}.dark .reunioes-filter-btn.active{background:var(--text);color:#060b14;border-color:var(--text)}.dark .reunioes-empty-icon{background:var(--bg-alt)}.dark .invite-item,.dark .activity-student-group{background:var(--card);border-color:var(--border)}.dark .activity-detail-header{border-color:var(--border)}.dark .activity-submit-form,.dark .activity-student-group,.dark .grade-form-inline{border-color:var(--border);background:var(--card)}.dark .activity-submit-form input,.dark .activity-submit-form textarea{border-color:var(--border);color:var(--text);caret-color:var(--text);background:#0a0f1a}.dark .activity-student-header:hover{background:#ffffff0a}.dark .activity-student-subs{border-top-color:var(--border)}.dark .activity-sub-detail{border-color:var(--border);background:#ffffff05}.dark .file-preview-overlay{background:#0009}.dark .file-preview-modal{background:#0b1320}.dark .file-preview-header,.dark .tabs{border-bottom-color:var(--border)}.dark .profile-avatar-edit{border-color:var(--card)}.dark .color-swatch-active{box-shadow:0 0 0 2px var(--card), 0 0 0 4px var(--text)}.dark .reunioes-hero{border-bottom-color:var(--border)}.dark .settings-danger-zone{background:#ef44440a;border-color:#ef444433}.dark .btn-primary{background:var(--coral);color:#060b14}.dark .btn-primary:hover{background:var(--coral-hover)}.dark .btn-primary:disabled:hover,.dark .reunioes-card-join{background:var(--coral);color:#060b14}.dark .reunioes-card-join:hover{background:var(--coral-hover);color:#060b14}.dark .classroom-error button{background:var(--coral);color:#060b14}.dark .meeting-chat-send,.dark .meeting-chat-edit-ok{color:#060b14}.dark .gen-output-btn.active{background:var(--coral);color:#060b14;border-color:var(--coral)}.dark .skip-link,.dark .people-teacher .post-avatar{background:var(--coral);color:#060b14}.dark .form-group select:focus,.dark .form-group-input-danger:focus,.dark .auth-form input:focus{box-shadow:0 0 0 3px #00d9ff1a}.theme-toggle{border-radius:var(--radius-sm);border:1px solid var(--border);width:34px;height:34px;color:var(--text-tertiary);cursor:pointer;transition:background var(--transition), color var(--transition), border-color var(--transition);background:0 0;justify-content:center;align-items:center;display:inline-flex}.theme-toggle:hover{background:var(--bg-hover);color:var(--coral-ink);border-color:#00d9ff33}.theme-switch-row{color:var(--text-tertiary);border-radius:var(--radius-sm);border:1px solid var(--border);background:var(--bg);align-items:center;gap:.35rem;padding:.15rem .35rem;display:inline-flex}.radix-switch{background:var(--border);width:36px;height:20px;transition:background var(--transition);border:none;border-radius:999px;flex-shrink:0;position:relative}.radix-switch[data-state=checked]{background:var(--color-action-primary)}.radix-switch-thumb{width:16px;height:16px;box-shadow:var(--shadow-xs);transition:transform var(--transition);will-change:transform;background:#fff;border-radius:50%;display:block;transform:translate(2px)}.radix-switch[data-state=checked] .radix-switch-thumb{transform:translate(18px)}.radix-checkbox{border-radius:var(--radius-xs);border:1.5px solid var(--border);background:var(--card);width:18px;height:18px;transition:border-color var(--transition), background var(--transition);flex-shrink:0;justify-content:center;align-items:center;display:inline-flex}.radix-checkbox[data-state=checked]{background:var(--color-action-primary);border-color:var(--color-action-primary);color:var(--on-coral)}.radix-checkbox-indicator{justify-content:center;align-items:center;display:flex}.radix-dropdown-content{background:var(--color-surface-card);border:1px solid var(--border-light);border-radius:var(--radius-sm);min-width:10rem;box-shadow:var(--shadow-lg);z-index:200;padding:.35rem;animation:.15s fade-in}.radix-dropdown-item{font-size:var(--fs-2);color:var(--text);border-radius:var(--radius-xs);cursor:pointer;outline:none;align-items:center;gap:.45rem;padding:.45rem .6rem;display:flex}.radix-dropdown-item[data-highlighted]{background:var(--bg-hover);color:var(--text)}.radix-dropdown-item-danger{color:var(--red)}.radix-dropdown-separator{background:var(--border-light);height:1px;margin:.25rem 0}.quiz-modal-tabs-wrap{margin-bottom:1rem}.quiz-modal-tabs{border-bottom:1px solid var(--border);gap:.3rem;padding-bottom:.3rem;display:flex}.quiz-modal-tab{font-size:var(--fs-2);border-radius:var(--radius-sm);cursor:pointer;color:var(--text-secondary);transition:background var(--transition), color var(--transition);background:0 0;border:none;padding:.3rem .7rem;font-weight:400}.quiz-modal-tab[data-state=active]{background:var(--coral-bg);color:var(--coral-ink);font-weight:700}.radix-toast[data-state=open]{animation:.2s slide-in-right}.radix-toast[data-state=closed]{animation:.15s reverse fade-in}h1,h2,.page-title{font-family:var(--font-display);letter-spacing:0;font-weight:800;line-height:1.1}h3{font-weight:700}.num{font-family:var(--font-display);font-variant-numeric:tabular-nums;letter-spacing:0;font-weight:800}.mark{background:linear-gradient(transparent 14%, var(--mark) 14% 92%, transparent 92%);-webkit-box-decoration-break:clone;box-decoration-break:clone;margin:0 -.2em;padding:0 .2em}.stamp{font-family:var(--font-display);font-weight:800;font-size:var(--fs-2);white-space:nowrap;border:1.5px solid;border-radius:5px;align-items:center;padding:.05rem .5rem;line-height:1.5;display:inline-flex;transform:rotate(-2deg)}.stamp-done{color:var(--green)}.stamp-late{color:var(--pen)}.stamp-open{color:var(--text-secondary)}.pen{font-family:var(--font-hand);color:var(--pen);font-weight:700;line-height:1.15}.grade-circle{min-width:2.4rem;height:2.1rem;font-family:var(--font-display);color:var(--pen);border:2px solid var(--pen);border-radius:52% 46% 54% 48%;place-items:center;padding:0 .4rem;font-weight:800;display:inline-grid}.ruled{background:repeating-linear-gradient(transparent 0 2.7rem, var(--rule) 2.7rem 2.75rem)}.link-mark{text-decoration:underline;-webkit-text-decoration-color:var(--coral-ink);text-decoration-color:var(--coral-ink);text-underline-offset:3px;font-weight:700;text-decoration-thickness:3px}.activity-detail-section h2,.aggregate-section h2,.dashboard-section-header h2,.markdown-body h2,.modal-header h2,.profile-usage-title,.reunioes-section-label h2,.summary-content .markdown-body h2,.profile-page .profile-section h2,.profile-page .settings-danger-zone h2,.classroom .classroom-topbar-title{font-family:var(--font-body);font-weight:700}@media (width<=768px){.meeting-card{flex-flow:wrap;align-items:flex-start;gap:.5rem .9rem}.meeting-card .meeting-info{flex:1 1 0}.meeting-card .meeting-actions{flex-basis:100%;padding-left:5.4rem}}