@import "https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800;900&display=swap";@keyframes scaleIn{0%{opacity:0;transform:scale(.9)}to{opacity:1;transform:scale(1)}}@keyframes focusRing{0%{box-shadow:0 0 #4f46e566}to{box-shadow:0 0 0 4px #4f46e51f}}@keyframes shimmer{0%{background-position:-200% 0}to{background-position:200% 0}}.login-container{justify-content:center;align-items:center;min-height:100vh;padding:2rem 1rem;display:flex}.login-card{-webkit-backdrop-filter:blur(20px);background:#ffffffeb;border:1px solid #fff9;border-radius:1rem;width:100%;max-width:480px;padding:3rem;animation:.5s cubic-bezier(.16,1,.3,1) forwards scaleIn;box-shadow:0 4px 6px -1px #0000000d,0 25px 50px -12px #4f46e51f}.login-header{text-align:center;margin-bottom:2.5rem}.login-logo-img{object-fit:cover;border:1px solid #0000000d;border-radius:20px;width:80px;height:80px;margin-bottom:1.25rem;box-shadow:0 8px 24px #0000001f}.login-header h1{background:linear-gradient(135deg,#4f46e5 0%,#9333ea 50%,#db2777 100%);-webkit-text-fill-color:transparent;letter-spacing:-.02em;-webkit-background-clip:text;background-clip:text;margin:0 0 .375rem;font-family:Inter,sans-serif;font-size:2rem;font-weight:800}.login-header p{color:#64748b;margin:0;font-size:.925rem}.login-form{flex-direction:column;gap:1.25rem;display:flex}.form-group{flex-direction:column;gap:.375rem;display:flex}.form-group label{color:#334155;letter-spacing:.01em;font-size:.85rem;font-weight:600}.input-wrapper{align-items:center;display:flex;position:relative}.input-wrapper input{color:#1e293b;background:#f8fafc;border:1.5px solid #e2e8f0;border-radius:.625rem;outline:none;width:100%;padding:.75rem 1rem;font-family:Inter,sans-serif;font-size:.95rem;transition:border-color .2s,box-shadow .2s,background .2s}.input-wrapper input:hover{background:var(--white);border-color:#cbd5e1}.input-wrapper input:focus{background:var(--white);border-color:#4f46e5;animation:.3s forwards focusRing}.input-wrapper input::placeholder{color:#94a3b8}.password-toggle{color:#94a3b8;cursor:pointer;background:0 0;border:none;border-radius:.375rem;justify-content:center;align-items:center;padding:.25rem;transition:color .2s,background .15s;display:flex;position:absolute;top:50%;right:.75rem;transform:translateY(-50%)}.password-toggle:hover{color:#4f46e5;background:#4f46e50f}.login-btn{color:#fff;cursor:pointer;letter-spacing:.01em;background:linear-gradient(135deg,#4f46e5 0%,#9333ea 50%,#db2777 100%) 0 0/200%;border:none;border-radius:.625rem;width:100%;margin-top:.5rem;padding:.85rem 1.5rem;font-family:Inter,sans-serif;font-size:1rem;font-weight:700;transition:transform .2s,box-shadow .2s,background-position .4s}.login-btn:hover:not(:disabled){background-position:100%;transform:translateY(-3px);box-shadow:0 8px 25px -5px #4f46e573}.login-btn:active:not(:disabled){transform:translateY(-1px)}.login-btn:disabled{opacity:.7;cursor:not-allowed}.login-btn .btn-content{justify-content:center;align-items:center;gap:.5rem;display:flex}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.register-link{text-align:center;color:#64748b;margin-top:1.25rem;font-size:.9rem}.register-link a{color:#4f46e5;font-weight:600;text-decoration:none;transition:color .2s}.register-link a:hover{color:#9333ea;text-decoration:underline}.demo-section{text-align:center;border-top:1px solid #e2e8f0;margin-top:2rem;padding-top:1.75rem}.demo-section p{color:#64748b;margin:0 0 1rem;font-size:.875rem}.demo-btn{color:#fff;cursor:pointer;letter-spacing:.01em;background:linear-gradient(135deg,#2196f3 0%,#1976d2 100%);border:none;border-radius:.625rem;width:100%;padding:.8rem 1.5rem;font-family:Inter,sans-serif;font-size:.95rem;font-weight:700;transition:transform .2s,box-shadow .2s}.demo-btn:hover:not(:disabled){transform:translateY(-3px);box-shadow:0 8px 25px -5px #2196f373}.demo-btn:active:not(:disabled){transform:translateY(-1px)}.demo-btn:disabled{opacity:.7;cursor:not-allowed}.demo-btn .btn-content{justify-content:center;align-items:center;gap:.5rem;display:flex}@media (width<=540px){.login-card{border-radius:.75rem;padding:2rem 1.5rem}.login-header h1{font-size:1.625rem}}.register-container{justify-content:center;align-items:center;min-height:100vh;padding:2rem 1rem;display:flex}.register-card{-webkit-backdrop-filter:blur(20px);background:#ffffffeb;border:1px solid #fff9;border-radius:1rem;width:100%;max-width:480px;padding:3rem;animation:.5s cubic-bezier(.16,1,.3,1) forwards scaleIn;box-shadow:0 4px 6px -1px #0000000d,0 25px 50px -12px #4f46e51f}.register-header{text-align:center;margin-bottom:2.5rem}.register-logo-img{object-fit:cover;border:1px solid #0000000d;border-radius:20px;width:80px;height:80px;margin-bottom:1.25rem;box-shadow:0 8px 24px #0000001f}.register-header h1{background:linear-gradient(135deg,#4f46e5 0%,#9333ea 50%,#db2777 100%);-webkit-text-fill-color:transparent;letter-spacing:-.02em;-webkit-background-clip:text;background-clip:text;margin:0 0 .375rem;font-family:Inter,sans-serif;font-size:2rem;font-weight:800}.register-header p{color:#64748b;margin:0;font-size:.925rem}.register-form{flex-direction:column;gap:1.25rem;display:flex}.register-form .form-group{flex-direction:column;gap:.375rem;display:flex}.register-form .form-group label{color:#334155;letter-spacing:.01em;font-size:.85rem;font-weight:600}.register-form .input-wrapper{align-items:center;display:flex;position:relative}.register-form .input-wrapper input{color:#1e293b;background:#f8fafc;border:1.5px solid #e2e8f0;border-radius:.625rem;outline:none;width:100%;padding:.75rem 1rem;font-family:Inter,sans-serif;font-size:.95rem;transition:border-color .2s,box-shadow .2s,background .2s}.register-form .input-wrapper input:hover{background:var(--white);border-color:#cbd5e1}.register-form .input-wrapper input:focus{background:var(--white);border-color:#4f46e5;animation:.3s forwards focusRing}.register-form .input-wrapper input::placeholder{color:#94a3b8}.register-form .password-toggle{color:#94a3b8;cursor:pointer;background:0 0;border:none;border-radius:.375rem;justify-content:center;align-items:center;padding:.25rem;transition:color .2s,background .15s;display:flex;position:absolute;top:50%;right:.75rem;transform:translateY(-50%)}.register-form .password-toggle:hover{color:#4f46e5;background:#4f46e50f}.helper-text{color:#94a3b8;align-items:center;gap:.25rem;margin:.125rem 0 0;font-size:.8rem;display:flex}.register-btn{color:#fff;cursor:pointer;letter-spacing:.01em;background:linear-gradient(135deg,#4f46e5 0%,#9333ea 50%,#db2777 100%) 0 0/200%;border:none;border-radius:.625rem;width:100%;margin-top:.5rem;padding:.85rem 1.5rem;font-family:Inter,sans-serif;font-size:1rem;font-weight:700;transition:transform .2s,box-shadow .2s,background-position .4s}.register-btn:hover:not(:disabled){background-position:100%;transform:translateY(-3px);box-shadow:0 8px 25px -5px #4f46e573}.register-btn:active:not(:disabled){transform:translateY(-1px)}.register-btn:disabled{opacity:.7;cursor:not-allowed}.register-btn .btn-content{justify-content:center;align-items:center;gap:.5rem;display:flex}.login-link{text-align:center;color:#64748b;margin-top:1.25rem;font-size:.9rem}.login-link a{color:#4f46e5;font-weight:600;text-decoration:none;transition:color .2s}.login-link a:hover{color:#9333ea;text-decoration:underline}.form-error{color:#dc2626;text-align:center;background:#fef2f2;border:1px solid #fecaca;border-radius:.5rem;margin-bottom:.25rem;padding:.75rem 1rem;font-size:.875rem}@media (width<=540px){.register-card{border-radius:.75rem;padding:2rem 1.5rem}.register-header h1{font-size:1.625rem}}.modal-content{animation:.3s cubic-bezier(.175,.885,.32,1.275) scaleIn}.modal-body .form-group:last-child{margin-bottom:0}.modal-body .form-actions{margin-top:var(--spacing-lg);padding-top:var(--spacing-md);border-top:1px solid var(--gray-200);justify-content:flex-end;gap:.75rem;display:flex}.ai-coach-container{flex-direction:column;height:60vh;min-height:400px;display:flex}.ai-coach-header{border-bottom:1px solid var(--gray-200);align-items:center;gap:1rem;padding-bottom:1rem;display:flex}.ai-avatar{background:linear-gradient(135deg, var(--primary), var(--secondary));color:#fff;border-radius:50%;justify-content:center;align-items:center;width:48px;height:48px;display:flex}.ai-coach-header h4{color:var(--gray-800);margin:0 0 .25rem}.ai-subtitle{color:var(--gray-500);margin:0;font-size:.85rem}.ai-chat-messages{flex-direction:column;flex:1;gap:1rem;padding:1.5rem 0;display:flex;overflow-y:auto}.chat-bubble-wrapper{width:100%;display:flex}.chat-bubble-wrapper.ai{justify-content:flex-start}.chat-bubble-wrapper.user{justify-content:flex-end}.chat-bubble{border-radius:1rem;max-width:80%;padding:.75rem 1.25rem;font-size:.95rem;line-height:1.5}.ai-bubble{background:var(--gray-100);color:var(--gray-800);border-bottom-left-radius:.25rem}.user-bubble{background:var(--primary);color:#fff;border-bottom-right-radius:.25rem}.ai-chat-input-area{border-top:1px solid var(--gray-200);gap:.75rem;padding-top:1rem;display:flex}.ai-chat-input{border:1px solid var(--gray-300);border-radius:var(--radius-full);outline:none;flex:1;padding:.75rem 1rem;transition:border-color .2s}.ai-chat-input:focus{border-color:var(--primary)}.ai-chat-send{background:var(--primary);color:#fff;cursor:pointer;border:none;border-radius:50%;justify-content:center;align-items:center;width:44px;height:44px;transition:opacity .2s;display:flex}.ai-chat-send:disabled{opacity:.5;cursor:not-allowed}.typing-indicator{color:var(--gray-500);align-items:center;gap:.5rem;font-size:.85rem;display:flex}.at-container{animation:.4s ease-out fadeInUp}.at-filters{margin-bottom:var(--spacing-lg);flex-wrap:wrap;gap:1rem;display:flex}.at-search-wrapper{flex:1;min-width:220px;position:relative}.at-search-icon{color:var(--gray-400);pointer-events:none;position:absolute;top:50%;left:1rem;transform:translateY(-50%)}.at-search-input{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);transition:var(--transition);border:2px solid var(--gray-200)!important;border-radius:var(--radius-full)!important;background:#ffffffe6!important;padding-left:2.75rem!important}.at-search-input:focus{background:var(--white)!important;border-color:var(--primary)!important;box-shadow:0 0 0 4px #4f46e51a!important}.at-class-filter{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);cursor:pointer;min-width:180px;transition:var(--transition);border-radius:var(--radius-full)!important;border:2px solid var(--gray-200)!important;background:#ffffffe6!important;padding:.85rem 1.25rem!important}.at-class-filter:focus{border-color:var(--primary)!important;box-shadow:0 0 0 4px #4f46e51a!important}.at-grid{gap:var(--spacing-lg);grid-template-columns:repeat(auto-fill,minmax(340px,1fr));display:grid}.at-card{cursor:pointer;transition:var(--transition);border:1px solid var(--gray-200);flex-direction:column;display:flex;position:relative;overflow:hidden}.at-card:hover{box-shadow:var(--shadow-lg);border-color:var(--primary-light);transform:translateY(-4px)}.at-card-accent{background:var(--card-accent,var(--primary));border-radius:var(--radius-xl) var(--radius-xl) 0 0;height:4px;position:absolute;top:0;left:0;right:0}.at-card-header{padding-top:.5rem}.at-card-title-row{justify-content:space-between;align-items:flex-start;gap:.75rem;margin-bottom:.5rem;display:flex}.at-card-title{color:var(--gray-900);flex:1;font-size:1.05rem;font-weight:700;line-height:1.3}.at-card-class{color:var(--gray-500);align-items:center;gap:.35rem;font-size:.8rem;font-weight:500;display:inline-flex}.at-status-badge{border-radius:var(--radius-full);white-space:nowrap;text-transform:uppercase;letter-spacing:.03em;align-items:center;gap:.3rem;padding:.25rem .65rem;font-size:.72rem;font-weight:700;display:inline-flex}.at-status-graded{color:var(--success);background:#0596691a}.at-status-submitted{color:var(--info);background:#2563eb1a}.at-status-pending{color:var(--warning-light);background:#f59e0b1a}.at-status-retake{color:var(--danger);background:#e11d481a}.at-card-body{flex:1;padding:.75rem 0}.at-card-desc{color:var(--gray-500);font-size:.88rem;line-height:1.5}.at-card-footer{border-top:1px solid var(--gray-100);justify-content:space-between;align-items:center;padding-top:.75rem;display:flex}.at-card-due{color:var(--gray-500);align-items:center;gap:.4rem;font-size:.82rem;font-weight:500;display:flex}.at-overdue{color:var(--danger)!important}.at-overdue-tag{text-transform:uppercase;color:#fff;background:var(--danger);border-radius:var(--radius-full);letter-spacing:.03em;padding:.1rem .4rem;font-size:.68rem;font-weight:700}.at-card-grade{align-items:baseline;gap:.3rem;font-weight:800;display:flex}.at-grade-value{font-size:1.4rem;line-height:1}.at-grade-letter{opacity:.8;font-size:.85rem}@media (width<=768px){.at-grid{grid-template-columns:1fr}.at-filters{flex-direction:column}.at-class-filter{min-width:100%}}.ct-container{animation:.4s ease-out fadeInUp}.ct-grid{gap:var(--spacing-lg);grid-template-columns:repeat(auto-fill,minmax(340px,1fr));display:grid}.ct-card{transition:var(--transition);border:1px solid var(--gray-200);position:relative;overflow:hidden}.ct-card:hover{box-shadow:var(--shadow-class-card);border-color:var(--primary-light);transform:translateY(-4px)}.ct-card-rainbow{background:var(--gradient-card-top);background-size:200% 100%;height:5px;animation:4s infinite gradientFlow;position:absolute;top:0;left:0;right:0}.ct-card-content{padding-top:.5rem}.ct-card-name{color:var(--gray-900);margin-bottom:.35rem;font-size:1.15rem;font-weight:700}.ct-card-teacher{color:var(--gray-500);align-items:center;gap:.4rem;margin-bottom:1rem;font-size:.88rem;font-weight:500;display:flex}.ct-code-container{border:2px dashed var(--gray-300);border-radius:var(--radius-lg);background:var(--gray-50);cursor:pointer;transition:var(--transition);justify-content:center;align-items:center;gap:.6rem;margin-bottom:1rem;padding:.75rem;display:flex}.ct-code-container:hover{border-color:var(--primary);background:#4f46e50a}.ct-code-container:hover .ct-code-copy{opacity:1;color:var(--primary)}.ct-code-label{color:var(--gray-400);text-transform:uppercase;letter-spacing:.08em;font-size:.7rem;font-weight:600}.ct-code-value{color:var(--primary);letter-spacing:.15em;font-family:Courier New,Courier,monospace;font-size:1.3rem;font-weight:800}.ct-code-copy{color:var(--gray-400);opacity:.5;transition:var(--transition)}.ct-stats{gap:1.25rem;margin-bottom:1rem;display:flex}.ct-stat{color:var(--gray-600);align-items:center;gap:.35rem;font-size:.85rem;font-weight:500;display:flex}.ct-stat-emoji{font-size:1rem}.ct-actions{border-top:1px solid var(--gray-100);gap:.6rem;padding-top:.75rem;display:flex}.ct-unenroll-btn{color:var(--gray-400)!important}.ct-unenroll-btn:hover{color:var(--danger)!important;background:#e11d480f!important}.ct-join-modal{max-width:440px}.ct-join-desc{color:var(--gray-500);margin-bottom:1.5rem;font-size:.92rem;line-height:1.5}.ct-join-input{text-align:center!important;letter-spacing:.2em!important;color:var(--primary)!important;padding:1rem!important;font-family:Courier New,Courier,monospace!important;font-size:1.6rem!important;font-weight:800!important}.ct-join-input::placeholder{letter-spacing:.1em!important;color:var(--gray-300)!important;font-size:1.2rem!important;font-weight:400!important}@keyframes spinLoader{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.ct-spinner{animation:.8s linear infinite spinLoader}@media (width<=768px){.ct-grid{grid-template-columns:1fr}.ct-actions{flex-direction:column}.ct-actions .btn{width:100%}}.pt-container{animation:.4s ease-out fadeInUp}.pt-stats-grid{gap:var(--spacing-md);margin-bottom:var(--spacing-lg);grid-template-columns:repeat(auto-fit,minmax(220px,1fr));display:grid}.pt-stat-card{position:relative;overflow:hidden}.pt-stat-card:before{content:"";background:var(--gradient-primary);height:4px;position:absolute;top:0;left:0;right:0}.pt-chart-card{margin-bottom:var(--spacing-lg);border-radius:var(--radius-xl)}.pt-chart-header{color:var(--gray-700);align-items:center;gap:.6rem;margin-bottom:1.5rem;display:flex}.pt-chart-header h4{font-size:1.05rem;font-weight:700}.pt-chart-placeholder{background:var(--gray-50);border-radius:var(--radius-lg);border:2px dashed var(--gray-200);flex-direction:column;justify-content:center;align-items:center;padding:3rem 2rem;display:flex}.pt-chart-icon{color:var(--gray-300);margin-bottom:1rem}.pt-chart-placeholder p{color:var(--gray-500);font-size:1rem;font-weight:600}.pt-chart-hint{color:var(--gray-400);margin-top:.35rem;font-size:.8rem}.pt-ai-card{border-radius:var(--radius-2xl);padding:var(--spacing-lg);color:#fff;background:linear-gradient(135deg,#2e1065 0%,#581c87 30%,#7e22ce 60%,#a855f7 100%);position:relative;overflow:hidden;box-shadow:0 20px 40px -10px #7e22ce66}.pt-ai-card:before{content:"";pointer-events:none;background:radial-gradient(circle,#ffffff0f 0%,#0000 70%);width:400px;height:400px;position:absolute;top:-50%;right:-30%}.pt-ai-card:after{content:"";pointer-events:none;background:radial-gradient(circle,#a855f74d 0%,#0000 70%);width:300px;height:300px;position:absolute;bottom:-30%;left:-20%}.pt-ai-header{z-index:1;align-items:flex-start;gap:1rem;margin-bottom:1.5rem;display:flex;position:relative}.pt-ai-icon-wrap{border-radius:var(--radius-lg);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#ffffff26;flex-shrink:0;justify-content:center;align-items:center;width:48px;height:48px;display:flex}.pt-ai-title{margin-bottom:.25rem;font-size:1.25rem;font-weight:800}.pt-ai-subtitle{color:#ffffffb3;font-size:.85rem;line-height:1.4}.pt-ai-progress-section{z-index:1;margin-bottom:1.5rem;position:relative}.pt-ai-progress-section .progress-bar-container{background:#ffffff26;height:8px;margin-bottom:.5rem}.pt-ai-progress-section .progress-bar-fill{background:linear-gradient(90deg,#fbbf24,#f59e0b,#22d3ee)}.pt-ai-progress-info{justify-content:space-between;align-items:center;display:flex}.pt-ai-progress-msg{color:#fffc;font-size:.82rem;font-weight:500}.pt-ai-progress-pct{color:#fbbf24;font-size:.85rem;font-weight:700}.pt-ai-results{z-index:1;flex-direction:column;gap:1rem;margin-bottom:1.5rem;display:flex;position:relative}.pt-ai-section{border-radius:var(--radius-lg);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#ffffff1a;gap:.85rem;padding:1rem;display:flex}.pt-ai-section h5{color:#fff;margin-bottom:.5rem;font-size:.9rem;font-weight:700}.pt-ai-section p{color:#ffffffd9;font-size:.88rem;line-height:1.6}.pt-ai-section ul,.pt-ai-section ol{flex-direction:column;gap:.35rem;padding-left:1.2rem;display:flex}.pt-ai-section li{color:#ffffffd9;font-size:.85rem;line-height:1.5}.pt-ai-section-icon{border-radius:var(--radius-md);color:#fff;background:#ffffff26;flex-shrink:0;justify-content:center;align-items:center;width:36px;height:36px;display:flex}.pt-ai-icon-success{color:#6ee7b7;background:#10b98140}.pt-ai-icon-warning{color:#fcd34d;background:#f59e0b40}.pt-ai-icon-action{color:#93c5fd;background:#3b82f640}.pt-ai-section-success{border-left:3px solid #10b98180}.pt-ai-section-warning{border-left:3px solid #f59e0b80}.pt-ai-section-action{border-left:3px solid #3b82f680}.pt-ai-btn{z-index:1;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);width:100%;position:relative;background:#fff3!important;border:1px solid #ffffff4d!important;padding:.85rem 1.5rem!important;font-size:1rem!important;box-shadow:0 4px 15px #0003!important}.pt-ai-btn:hover:not(:disabled){background:#ffffff59!important;transform:translateY(-3px)!important;box-shadow:0 8px 25px #0000004d!important}@media (width<=768px){.pt-stats-grid{grid-template-columns:1fr}.pt-ai-header{text-align:center;flex-direction:column;align-items:center}.pt-ai-results{gap:.75rem}.pt-ai-section{flex-direction:column;align-items:flex-start}}.sd-navbar{z-index:100;background:var(--gradient-navbar);box-shadow:var(--shadow-navbar);animation:.4s ease-out slideDown;position:sticky;top:0}.sd-navbar-inner{justify-content:space-between;align-items:center;gap:1rem;max-width:1280px;margin:0 auto;padding:.85rem 2rem;display:flex}.sd-navbar-brand{align-items:center;gap:.85rem;display:flex}.sd-navbar-logo{border-radius:var(--radius-lg);color:#fff;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#fff3;justify-content:center;align-items:center;width:44px;height:44px;display:flex}.sd-navbar-title h1{color:#fff;letter-spacing:-.02em;font-size:1.3rem;font-weight:800;line-height:1.2}.sd-navbar-subtitle{color:#ffffffb3;letter-spacing:.02em;font-size:.75rem;font-weight:500}.sd-navbar-actions{align-items:center;gap:.6rem;display:flex}.sd-navbar-user{border-radius:var(--radius-full);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#ffffff26;align-items:center;gap:.5rem;margin-right:.5rem;padding:.35rem .85rem .35rem .35rem;display:flex}.sd-navbar-avatar{color:#fff;background:#ffffff4d;border-radius:50%;justify-content:center;align-items:center;width:30px;height:30px;font-size:.8rem;font-weight:700;display:flex}.sd-navbar-username{color:#fff;white-space:nowrap;font-size:.85rem;font-weight:600}.sd-navbar-btn{border-radius:var(--radius-full);color:#fff;cursor:pointer;transition:var(--transition);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#ffffff26;border:1px solid #ffffff40;align-items:center;gap:.4rem;padding:.5rem 1rem;font-family:inherit;font-size:.82rem;font-weight:600;display:inline-flex}.sd-navbar-btn:hover{background:#ffffff4d;transform:translateY(-2px);box-shadow:0 4px 12px #00000026}.sd-navbar-btn-logout{background:#ffffff1a;border-color:#fff3}.sd-navbar-btn-logout:hover{background:#ef44444d;border-color:#ef444480}.sd-tab-bar{-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);z-index:90;background:#fff9;border-bottom:1px solid #4f46e514;position:sticky;top:64px}.sd-tab-bar-inner{justify-content:center;max-width:1280px;margin:0 auto;padding:.75rem 2rem;display:flex}.sd-content{padding-top:var(--spacing-lg);padding-bottom:var(--spacing-2xl);min-height:calc(100vh - 140px)}@media (width<=768px){.sd-navbar-inner{flex-wrap:wrap;padding:.75rem 1rem}.sd-navbar-title h1{font-size:1.1rem}.sd-navbar-subtitle{display:none}.sd-navbar-actions{gap:.4rem}.sd-navbar-username,.sd-navbar-btn span{display:none}.sd-navbar-btn{border-radius:50%;justify-content:center;width:36px;height:36px;padding:.5rem}.sd-tab-bar{top:56px}.sd-tab-bar-inner{justify-content:flex-start;padding:.5rem 1rem;overflow-x:auto}.sd-tab-bar-inner::-webkit-scrollbar{display:none}.sd-content{padding-left:1rem;padding-right:1rem}}@media (width<=480px){.sd-navbar-user{display:none}.tab-btn{padding:.5rem .85rem;font-size:.8rem}}.navbar{background:var(--white);border-bottom:1px solid var(--gray-200);z-index:100;position:sticky;top:0;box-shadow:0 4px 20px #0000000d}.navbar-content{max-width:1400px;padding:0 var(--spacing-xl);justify-content:space-between;align-items:center;height:70px;margin:0 auto;display:flex}.navbar-brand{align-items:center;gap:var(--spacing-sm);display:flex}.navbar-logo-img{object-fit:cover;border:1px solid #0000000d;border-radius:10px;width:42px;height:42px;box-shadow:0 2px 8px #0000001a}.navbar-brand-text{align-items:center;gap:.75rem;display:flex}.navbar-omnigrades{background:linear-gradient(135deg,#8b5cf6,#3b82f6);-webkit-text-fill-color:transparent;letter-spacing:-.5px;-webkit-background-clip:text;font-size:1.25rem;font-weight:800}.navbar-separator{color:var(--gray-300);font-size:1.25rem;font-weight:300}.navbar-title{color:var(--gray-700);letter-spacing:-.02em;font-size:1.1rem;font-weight:600}.navbar-actions{align-items:center;gap:.75rem;display:flex}.navbar-user-name{color:var(--gray-700);font-size:.95rem;font-weight:600}.navbar-btn{background:var(--gray-100);border:1px solid var(--gray-200);color:var(--gray-700);cursor:pointer;border-radius:.5rem;justify-content:center;align-items:center;gap:.4rem;padding:.5rem 1rem;font-family:inherit;font-size:.85rem;font-weight:600;transition:all .2s;display:inline-flex}.navbar-btn:hover{background:var(--gray-200);color:var(--gray-900);transform:translateY(-1px)}.demo-banner{background:var(--gradient-primary);color:#fff;text-align:center;z-index:101;box-shadow:var(--shadow-md);padding:10px 20px;animation:.3s ease-out slideDown;position:sticky;top:0}.demo-banner-content{flex-wrap:wrap;justify-content:center;align-items:center;gap:12px;max-width:1280px;margin:0 auto;display:flex}.demo-banner-text{letter-spacing:1px;font-size:.85rem;font-weight:700}.demo-banner-desc{opacity:.9;font-size:.8rem}@media (width<=768px){.navbar-content{flex-wrap:wrap;gap:.75rem;padding:1rem}.navbar-user-name{display:none}.navbar-actions{gap:.5rem}}.ql-container{box-sizing:border-box;height:100%;margin:0;font-family:Helvetica,Arial,sans-serif;font-size:13px;position:relative}.ql-container.ql-disabled .ql-tooltip{visibility:hidden}.ql-container:not(.ql-disabled) li[data-list=checked]>.ql-ui,.ql-container:not(.ql-disabled) li[data-list=unchecked]>.ql-ui{cursor:pointer}.ql-clipboard{height:1px;position:absolute;top:50%;left:-100000px;overflow-y:hidden}.ql-clipboard p{margin:0;padding:0}.ql-editor{box-sizing:border-box;counter-reset:list-0 list-1 list-2 list-3 list-4 list-5 list-6 list-7 list-8 list-9;tab-size:4;text-align:left;white-space:pre-wrap;word-wrap:break-word;outline:none;height:100%;padding:12px 15px;line-height:1.42;overflow-y:auto}.ql-editor>*{cursor:text}.ql-editor p,.ql-editor ol,.ql-editor pre,.ql-editor blockquote,.ql-editor h1,.ql-editor h2,.ql-editor h3,.ql-editor h4,.ql-editor h5,.ql-editor h6{margin:0;padding:0}@supports (counter-set:none){.ql-editor p,.ql-editor h1,.ql-editor h2,.ql-editor h3,.ql-editor h4,.ql-editor h5,.ql-editor h6{counter-set:list-0 list-1 list-2 list-3 list-4 list-5 list-6 list-7 list-8 list-9}}@supports not (counter-set:none){.ql-editor p,.ql-editor h1,.ql-editor h2,.ql-editor h3,.ql-editor h4,.ql-editor h5,.ql-editor h6{counter-reset:list-0 list-1 list-2 list-3 list-4 list-5 list-6 list-7 list-8 list-9}}.ql-editor table{border-collapse:collapse}.ql-editor td{border:1px solid #000;padding:2px 5px}.ql-editor ol{padding-left:1.5em}.ql-editor li{padding-left:1.5em;list-style-type:none;position:relative}.ql-editor li>.ql-ui:before{text-align:right;white-space:nowrap;width:1.2em;margin-left:-1.5em;margin-right:.3em;display:inline-block}.ql-editor li[data-list=checked]>.ql-ui,.ql-editor li[data-list=unchecked]>.ql-ui{color:#777}.ql-editor li[data-list=bullet]>.ql-ui:before{content:"•"}.ql-editor li[data-list=checked]>.ql-ui:before{content:"☑"}.ql-editor li[data-list=unchecked]>.ql-ui:before{content:"☐"}@supports (counter-set:none){.ql-editor li[data-list]{counter-set:list-1 list-2 list-3 list-4 list-5 list-6 list-7 list-8 list-9}}@supports not (counter-set:none){.ql-editor li[data-list]{counter-reset:list-1 list-2 list-3 list-4 list-5 list-6 list-7 list-8 list-9}}.ql-editor li[data-list=ordered]{counter-increment:list-0}.ql-editor li[data-list=ordered]>.ql-ui:before{content:counter(list-0, decimal) ". "}.ql-editor li[data-list=ordered].ql-indent-1{counter-increment:list-1}.ql-editor li[data-list=ordered].ql-indent-1>.ql-ui:before{content:counter(list-1, lower-alpha) ". "}@supports (counter-set:none){.ql-editor li[data-list].ql-indent-1{counter-set:list-2 list-3 list-4 list-5 list-6 list-7 list-8 list-9}}@supports not (counter-set:none){.ql-editor li[data-list].ql-indent-1{counter-reset:list-2 list-3 list-4 list-5 list-6 list-7 list-8 list-9}}.ql-editor li[data-list=ordered].ql-indent-2{counter-increment:list-2}.ql-editor li[data-list=ordered].ql-indent-2>.ql-ui:before{content:counter(list-2, lower-roman) ". "}@supports (counter-set:none){.ql-editor li[data-list].ql-indent-2{counter-set:list-3 list-4 list-5 list-6 list-7 list-8 list-9}}@supports not (counter-set:none){.ql-editor li[data-list].ql-indent-2{counter-reset:list-3 list-4 list-5 list-6 list-7 list-8 list-9}}.ql-editor li[data-list=ordered].ql-indent-3{counter-increment:list-3}.ql-editor li[data-list=ordered].ql-indent-3>.ql-ui:before{content:counter(list-3, decimal) ". "}@supports (counter-set:none){.ql-editor li[data-list].ql-indent-3{counter-set:list-4 list-5 list-6 list-7 list-8 list-9}}@supports not (counter-set:none){.ql-editor li[data-list].ql-indent-3{counter-reset:list-4 list-5 list-6 list-7 list-8 list-9}}.ql-editor li[data-list=ordered].ql-indent-4{counter-increment:list-4}.ql-editor li[data-list=ordered].ql-indent-4>.ql-ui:before{content:counter(list-4, lower-alpha) ". "}@supports (counter-set:none){.ql-editor li[data-list].ql-indent-4{counter-set:list-5 list-6 list-7 list-8 list-9}}@supports not (counter-set:none){.ql-editor li[data-list].ql-indent-4{counter-reset:list-5 list-6 list-7 list-8 list-9}}.ql-editor li[data-list=ordered].ql-indent-5{counter-increment:list-5}.ql-editor li[data-list=ordered].ql-indent-5>.ql-ui:before{content:counter(list-5, lower-roman) ". "}@supports (counter-set:none){.ql-editor li[data-list].ql-indent-5{counter-set:list-6 list-7 list-8 list-9}}@supports not (counter-set:none){.ql-editor li[data-list].ql-indent-5{counter-reset:list-6 list-7 list-8 list-9}}.ql-editor li[data-list=ordered].ql-indent-6{counter-increment:list-6}.ql-editor li[data-list=ordered].ql-indent-6>.ql-ui:before{content:counter(list-6, decimal) ". "}@supports (counter-set:none){.ql-editor li[data-list].ql-indent-6{counter-set:list-7 list-8 list-9}}@supports not (counter-set:none){.ql-editor li[data-list].ql-indent-6{counter-reset:list-7 list-8 list-9}}.ql-editor li[data-list=ordered].ql-indent-7{counter-increment:list-7}.ql-editor li[data-list=ordered].ql-indent-7>.ql-ui:before{content:counter(list-7, lower-alpha) ". "}@supports (counter-set:none){.ql-editor li[data-list].ql-indent-7{counter-set:list-8 list-9}}@supports not (counter-set:none){.ql-editor li[data-list].ql-indent-7{counter-reset:list-8 list-9}}.ql-editor li[data-list=ordered].ql-indent-8{counter-increment:list-8}.ql-editor li[data-list=ordered].ql-indent-8>.ql-ui:before{content:counter(list-8, lower-roman) ". "}@supports (counter-set:none){.ql-editor li[data-list].ql-indent-8{counter-set:list-9}}@supports not (counter-set:none){.ql-editor li[data-list].ql-indent-8{counter-reset:list-9}}.ql-editor li[data-list=ordered].ql-indent-9{counter-increment:list-9}.ql-editor li[data-list=ordered].ql-indent-9>.ql-ui:before{content:counter(list-9, decimal) ". "}.ql-editor .ql-indent-1:not(.ql-direction-rtl){padding-left:3em}.ql-editor li.ql-indent-1:not(.ql-direction-rtl){padding-left:4.5em}.ql-editor .ql-indent-1.ql-direction-rtl.ql-align-right{padding-right:3em}.ql-editor li.ql-indent-1.ql-direction-rtl.ql-align-right{padding-right:4.5em}.ql-editor .ql-indent-2:not(.ql-direction-rtl){padding-left:6em}.ql-editor li.ql-indent-2:not(.ql-direction-rtl){padding-left:7.5em}.ql-editor .ql-indent-2.ql-direction-rtl.ql-align-right{padding-right:6em}.ql-editor li.ql-indent-2.ql-direction-rtl.ql-align-right{padding-right:7.5em}.ql-editor .ql-indent-3:not(.ql-direction-rtl){padding-left:9em}.ql-editor li.ql-indent-3:not(.ql-direction-rtl){padding-left:10.5em}.ql-editor .ql-indent-3.ql-direction-rtl.ql-align-right{padding-right:9em}.ql-editor li.ql-indent-3.ql-direction-rtl.ql-align-right{padding-right:10.5em}.ql-editor .ql-indent-4:not(.ql-direction-rtl){padding-left:12em}.ql-editor li.ql-indent-4:not(.ql-direction-rtl){padding-left:13.5em}.ql-editor .ql-indent-4.ql-direction-rtl.ql-align-right{padding-right:12em}.ql-editor li.ql-indent-4.ql-direction-rtl.ql-align-right{padding-right:13.5em}.ql-editor .ql-indent-5:not(.ql-direction-rtl){padding-left:15em}.ql-editor li.ql-indent-5:not(.ql-direction-rtl){padding-left:16.5em}.ql-editor .ql-indent-5.ql-direction-rtl.ql-align-right{padding-right:15em}.ql-editor li.ql-indent-5.ql-direction-rtl.ql-align-right{padding-right:16.5em}.ql-editor .ql-indent-6:not(.ql-direction-rtl){padding-left:18em}.ql-editor li.ql-indent-6:not(.ql-direction-rtl){padding-left:19.5em}.ql-editor .ql-indent-6.ql-direction-rtl.ql-align-right{padding-right:18em}.ql-editor li.ql-indent-6.ql-direction-rtl.ql-align-right{padding-right:19.5em}.ql-editor .ql-indent-7:not(.ql-direction-rtl){padding-left:21em}.ql-editor li.ql-indent-7:not(.ql-direction-rtl){padding-left:22.5em}.ql-editor .ql-indent-7.ql-direction-rtl.ql-align-right{padding-right:21em}.ql-editor li.ql-indent-7.ql-direction-rtl.ql-align-right{padding-right:22.5em}.ql-editor .ql-indent-8:not(.ql-direction-rtl){padding-left:24em}.ql-editor li.ql-indent-8:not(.ql-direction-rtl){padding-left:25.5em}.ql-editor .ql-indent-8.ql-direction-rtl.ql-align-right{padding-right:24em}.ql-editor li.ql-indent-8.ql-direction-rtl.ql-align-right{padding-right:25.5em}.ql-editor .ql-indent-9:not(.ql-direction-rtl){padding-left:27em}.ql-editor li.ql-indent-9:not(.ql-direction-rtl){padding-left:28.5em}.ql-editor .ql-indent-9.ql-direction-rtl.ql-align-right{padding-right:27em}.ql-editor li.ql-indent-9.ql-direction-rtl.ql-align-right{padding-right:28.5em}.ql-editor li.ql-direction-rtl{padding-right:1.5em}.ql-editor li.ql-direction-rtl>.ql-ui:before{text-align:left;margin-left:.3em;margin-right:-1.5em}.ql-editor table{table-layout:fixed;width:100%}.ql-editor table td{outline:none}.ql-editor .ql-code-block-container{font-family:monospace}.ql-editor .ql-video{max-width:100%;display:block}.ql-editor .ql-video.ql-align-center{margin:0 auto}.ql-editor .ql-video.ql-align-right{margin:0 0 0 auto}.ql-editor .ql-bg-black{background-color:#000}.ql-editor .ql-bg-red{background-color:#e60000}.ql-editor .ql-bg-orange{background-color:#f90}.ql-editor .ql-bg-yellow{background-color:#ff0}.ql-editor .ql-bg-green{background-color:#008a00}.ql-editor .ql-bg-blue{background-color:#06c}.ql-editor .ql-bg-purple{background-color:#93f}.ql-editor .ql-color-white{color:#fff}.ql-editor .ql-color-red{color:#e60000}.ql-editor .ql-color-orange{color:#f90}.ql-editor .ql-color-yellow{color:#ff0}.ql-editor .ql-color-green{color:#008a00}.ql-editor .ql-color-blue{color:#06c}.ql-editor .ql-color-purple{color:#93f}.ql-editor .ql-font-serif{font-family:Georgia,Times New Roman,serif}.ql-editor .ql-font-monospace{font-family:Monaco,Courier New,monospace}.ql-editor .ql-size-small{font-size:.75em}.ql-editor .ql-size-large{font-size:1.5em}.ql-editor .ql-size-huge{font-size:2.5em}.ql-editor .ql-direction-rtl{text-align:inherit;direction:rtl}.ql-editor .ql-align-center{text-align:center}.ql-editor .ql-align-justify{text-align:justify}.ql-editor .ql-align-right{text-align:right}.ql-editor .ql-ui{position:absolute}.ql-editor.ql-blank:before{color:#0009;content:attr(data-placeholder);pointer-events:none;font-style:italic;position:absolute;left:15px;right:15px}.ql-snow.ql-toolbar:after,.ql-snow .ql-toolbar:after{clear:both;content:"";display:table}.ql-snow.ql-toolbar button,.ql-snow .ql-toolbar button{cursor:pointer;float:left;background:0 0;border:none;width:28px;height:24px;padding:3px 5px;display:inline-block}.ql-snow.ql-toolbar button svg,.ql-snow .ql-toolbar button svg{float:left;height:100%}.ql-snow.ql-toolbar button:active:hover,.ql-snow .ql-toolbar button:active:hover{outline:none}.ql-snow.ql-toolbar input.ql-image[type=file],.ql-snow .ql-toolbar input.ql-image[type=file]{display:none}.ql-snow.ql-toolbar button:hover,.ql-snow .ql-toolbar button:hover,.ql-snow.ql-toolbar button:focus,.ql-snow .ql-toolbar button:focus,.ql-snow.ql-toolbar button.ql-active,.ql-snow .ql-toolbar button.ql-active,.ql-snow.ql-toolbar .ql-picker-label:hover,.ql-snow .ql-toolbar .ql-picker-label:hover,.ql-snow.ql-toolbar .ql-picker-label.ql-active,.ql-snow .ql-toolbar .ql-picker-label.ql-active,.ql-snow.ql-toolbar .ql-picker-item:hover,.ql-snow .ql-toolbar .ql-picker-item:hover,.ql-snow.ql-toolbar .ql-picker-item.ql-selected,.ql-snow .ql-toolbar .ql-picker-item.ql-selected{color:#06c}.ql-snow.ql-toolbar button:hover .ql-fill,.ql-snow .ql-toolbar button:hover .ql-fill,.ql-snow.ql-toolbar button:focus .ql-fill,.ql-snow .ql-toolbar button:focus .ql-fill,.ql-snow.ql-toolbar button.ql-active .ql-fill,.ql-snow .ql-toolbar button.ql-active .ql-fill,.ql-snow.ql-toolbar .ql-picker-label:hover .ql-fill,.ql-snow .ql-toolbar .ql-picker-label:hover .ql-fill,.ql-snow.ql-toolbar .ql-picker-label.ql-active .ql-fill,.ql-snow .ql-toolbar .ql-picker-label.ql-active .ql-fill,.ql-snow.ql-toolbar .ql-picker-item:hover .ql-fill,.ql-snow .ql-toolbar .ql-picker-item:hover .ql-fill,.ql-snow.ql-toolbar .ql-picker-item.ql-selected .ql-fill,.ql-snow .ql-toolbar .ql-picker-item.ql-selected .ql-fill,.ql-snow.ql-toolbar button:hover .ql-stroke.ql-fill,.ql-snow .ql-toolbar button:hover .ql-stroke.ql-fill,.ql-snow.ql-toolbar button:focus .ql-stroke.ql-fill,.ql-snow .ql-toolbar button:focus .ql-stroke.ql-fill,.ql-snow.ql-toolbar button.ql-active .ql-stroke.ql-fill,.ql-snow .ql-toolbar button.ql-active .ql-stroke.ql-fill,.ql-snow.ql-toolbar .ql-picker-label:hover .ql-stroke.ql-fill,.ql-snow .ql-toolbar .ql-picker-label:hover .ql-stroke.ql-fill,.ql-snow.ql-toolbar .ql-picker-label.ql-active .ql-stroke.ql-fill,.ql-snow .ql-toolbar .ql-picker-label.ql-active .ql-stroke.ql-fill,.ql-snow.ql-toolbar .ql-picker-item:hover .ql-stroke.ql-fill,.ql-snow .ql-toolbar .ql-picker-item:hover .ql-stroke.ql-fill,.ql-snow.ql-toolbar .ql-picker-item.ql-selected .ql-stroke.ql-fill,.ql-snow .ql-toolbar .ql-picker-item.ql-selected .ql-stroke.ql-fill{fill:#06c}.ql-snow.ql-toolbar button:hover .ql-stroke,.ql-snow .ql-toolbar button:hover .ql-stroke,.ql-snow.ql-toolbar button:focus .ql-stroke,.ql-snow .ql-toolbar button:focus .ql-stroke,.ql-snow.ql-toolbar button.ql-active .ql-stroke,.ql-snow .ql-toolbar button.ql-active .ql-stroke,.ql-snow.ql-toolbar .ql-picker-label:hover .ql-stroke,.ql-snow .ql-toolbar .ql-picker-label:hover .ql-stroke,.ql-snow.ql-toolbar .ql-picker-label.ql-active .ql-stroke,.ql-snow .ql-toolbar .ql-picker-label.ql-active .ql-stroke,.ql-snow.ql-toolbar .ql-picker-item:hover .ql-stroke,.ql-snow .ql-toolbar .ql-picker-item:hover .ql-stroke,.ql-snow.ql-toolbar .ql-picker-item.ql-selected .ql-stroke,.ql-snow .ql-toolbar .ql-picker-item.ql-selected .ql-stroke,.ql-snow.ql-toolbar button:hover .ql-stroke-miter,.ql-snow .ql-toolbar button:hover .ql-stroke-miter,.ql-snow.ql-toolbar button:focus .ql-stroke-miter,.ql-snow .ql-toolbar button:focus .ql-stroke-miter,.ql-snow.ql-toolbar button.ql-active .ql-stroke-miter,.ql-snow .ql-toolbar button.ql-active .ql-stroke-miter,.ql-snow.ql-toolbar .ql-picker-label:hover .ql-stroke-miter,.ql-snow .ql-toolbar .ql-picker-label:hover .ql-stroke-miter,.ql-snow.ql-toolbar .ql-picker-label.ql-active .ql-stroke-miter,.ql-snow .ql-toolbar .ql-picker-label.ql-active .ql-stroke-miter,.ql-snow.ql-toolbar .ql-picker-item:hover .ql-stroke-miter,.ql-snow .ql-toolbar .ql-picker-item:hover .ql-stroke-miter,.ql-snow.ql-toolbar .ql-picker-item.ql-selected .ql-stroke-miter,.ql-snow .ql-toolbar .ql-picker-item.ql-selected .ql-stroke-miter{stroke:#06c}@media (pointer:coarse){.ql-snow.ql-toolbar button:hover:not(.ql-active),.ql-snow .ql-toolbar button:hover:not(.ql-active){color:#444}.ql-snow.ql-toolbar button:hover:not(.ql-active) .ql-fill,.ql-snow .ql-toolbar button:hover:not(.ql-active) .ql-fill,.ql-snow.ql-toolbar button:hover:not(.ql-active) .ql-stroke.ql-fill,.ql-snow .ql-toolbar button:hover:not(.ql-active) .ql-stroke.ql-fill{fill:#444}.ql-snow.ql-toolbar button:hover:not(.ql-active) .ql-stroke,.ql-snow .ql-toolbar button:hover:not(.ql-active) .ql-stroke,.ql-snow.ql-toolbar button:hover:not(.ql-active) .ql-stroke-miter,.ql-snow .ql-toolbar button:hover:not(.ql-active) .ql-stroke-miter{stroke:#444}}.ql-snow,.ql-snow *{box-sizing:border-box}.ql-snow .ql-hidden{display:none}.ql-snow .ql-out-bottom,.ql-snow .ql-out-top{visibility:hidden}.ql-snow .ql-tooltip{position:absolute;transform:translateY(10px)}.ql-snow .ql-tooltip a{cursor:pointer;text-decoration:none}.ql-snow .ql-tooltip.ql-flip{transform:translateY(-10px)}.ql-snow .ql-formats{vertical-align:middle;display:inline-block}.ql-snow .ql-formats:after{clear:both;content:"";display:table}.ql-snow .ql-stroke{fill:none;stroke:#444;stroke-linecap:round;stroke-linejoin:round;stroke-width:2px}.ql-snow .ql-stroke-miter{fill:none;stroke:#444;stroke-miterlimit:10;stroke-width:2px}.ql-snow .ql-fill,.ql-snow .ql-stroke.ql-fill{fill:#444}.ql-snow .ql-empty{fill:none}.ql-snow .ql-even{fill-rule:evenodd}.ql-snow .ql-thin,.ql-snow .ql-stroke.ql-thin{stroke-width:1px}.ql-snow .ql-transparent{opacity:.4}.ql-snow .ql-direction svg:last-child{display:none}.ql-snow .ql-direction.ql-active svg:last-child{display:inline}.ql-snow .ql-direction.ql-active svg:first-child{display:none}.ql-snow .ql-editor h1{font-size:2em}.ql-snow .ql-editor h2{font-size:1.5em}.ql-snow .ql-editor h3{font-size:1.17em}.ql-snow .ql-editor h4{font-size:1em}.ql-snow .ql-editor h5{font-size:.83em}.ql-snow .ql-editor h6{font-size:.67em}.ql-snow .ql-editor a{text-decoration:underline}.ql-snow .ql-editor blockquote{border-left:4px solid #ccc;margin-top:5px;margin-bottom:5px;padding-left:16px}.ql-snow .ql-editor code,.ql-snow .ql-editor .ql-code-block-container{background-color:#f0f0f0;border-radius:3px}.ql-snow .ql-editor .ql-code-block-container{margin-top:5px;margin-bottom:5px;padding:5px 10px}.ql-snow .ql-editor code{padding:2px 4px;font-size:85%}.ql-snow .ql-editor .ql-code-block-container{color:#f8f8f2;background-color:#23241f;overflow:visible}.ql-snow .ql-editor img{max-width:100%}.ql-snow .ql-picker{color:#444;float:left;vertical-align:middle;height:24px;font-size:14px;font-weight:500;display:inline-block;position:relative}.ql-snow .ql-picker-label{cursor:pointer;width:100%;height:100%;padding-left:8px;padding-right:2px;display:inline-block;position:relative}.ql-snow .ql-picker-label:before{line-height:22px;display:inline-block}.ql-snow .ql-picker-options{white-space:nowrap;background-color:#fff;min-width:100%;padding:4px 8px;display:none;position:absolute}.ql-snow .ql-picker-options .ql-picker-item{cursor:pointer;padding-top:5px;padding-bottom:5px;display:block}.ql-snow .ql-picker.ql-expanded .ql-picker-label{color:#ccc;z-index:2}.ql-snow .ql-picker.ql-expanded .ql-picker-label .ql-fill{fill:#ccc}.ql-snow .ql-picker.ql-expanded .ql-picker-label .ql-stroke{stroke:#ccc}.ql-snow .ql-picker.ql-expanded .ql-picker-options{z-index:1;margin-top:-1px;display:block;top:100%}.ql-snow .ql-color-picker,.ql-snow .ql-icon-picker{width:28px}.ql-snow .ql-color-picker .ql-picker-label,.ql-snow .ql-icon-picker .ql-picker-label{padding:2px 4px}.ql-snow .ql-color-picker .ql-picker-label svg,.ql-snow .ql-icon-picker .ql-picker-label svg{right:4px}.ql-snow .ql-icon-picker .ql-picker-options{padding:4px 0}.ql-snow .ql-icon-picker .ql-picker-item{width:24px;height:24px;padding:2px 4px}.ql-snow .ql-color-picker .ql-picker-options{width:152px;padding:3px 5px}.ql-snow .ql-color-picker .ql-picker-item{float:left;border:1px solid #0000;width:16px;height:16px;margin:2px;padding:0}.ql-snow .ql-picker:not(.ql-color-picker):not(.ql-icon-picker) svg{width:18px;margin-top:-9px;position:absolute;top:50%;right:0}.ql-snow .ql-picker.ql-header .ql-picker-label[data-label]:not([data-label=""]):before,.ql-snow .ql-picker.ql-font .ql-picker-label[data-label]:not([data-label=""]):before,.ql-snow .ql-picker.ql-size .ql-picker-label[data-label]:not([data-label=""]):before,.ql-snow .ql-picker.ql-header .ql-picker-item[data-label]:not([data-label=""]):before,.ql-snow .ql-picker.ql-font .ql-picker-item[data-label]:not([data-label=""]):before,.ql-snow .ql-picker.ql-size .ql-picker-item[data-label]:not([data-label=""]):before{content:attr(data-label)}.ql-snow .ql-picker.ql-header{width:98px}.ql-snow .ql-picker.ql-header .ql-picker-label:before,.ql-snow .ql-picker.ql-header .ql-picker-item:before{content:"Normal"}.ql-snow .ql-picker.ql-header .ql-picker-label[data-value="1"]:before,.ql-snow .ql-picker.ql-header .ql-picker-item[data-value="1"]:before{content:"Heading 1"}.ql-snow .ql-picker.ql-header .ql-picker-label[data-value="2"]:before,.ql-snow .ql-picker.ql-header .ql-picker-item[data-value="2"]:before{content:"Heading 2"}.ql-snow .ql-picker.ql-header .ql-picker-label[data-value="3"]:before,.ql-snow .ql-picker.ql-header .ql-picker-item[data-value="3"]:before{content:"Heading 3"}.ql-snow .ql-picker.ql-header .ql-picker-label[data-value="4"]:before,.ql-snow .ql-picker.ql-header .ql-picker-item[data-value="4"]:before{content:"Heading 4"}.ql-snow .ql-picker.ql-header .ql-picker-label[data-value="5"]:before,.ql-snow .ql-picker.ql-header .ql-picker-item[data-value="5"]:before{content:"Heading 5"}.ql-snow .ql-picker.ql-header .ql-picker-label[data-value="6"]:before,.ql-snow .ql-picker.ql-header .ql-picker-item[data-value="6"]:before{content:"Heading 6"}.ql-snow .ql-picker.ql-header .ql-picker-item[data-value="1"]:before{font-size:2em}.ql-snow .ql-picker.ql-header .ql-picker-item[data-value="2"]:before{font-size:1.5em}.ql-snow .ql-picker.ql-header .ql-picker-item[data-value="3"]:before{font-size:1.17em}.ql-snow .ql-picker.ql-header .ql-picker-item[data-value="4"]:before{font-size:1em}.ql-snow .ql-picker.ql-header .ql-picker-item[data-value="5"]:before{font-size:.83em}.ql-snow .ql-picker.ql-header .ql-picker-item[data-value="6"]:before{font-size:.67em}.ql-snow .ql-picker.ql-font{width:108px}.ql-snow .ql-picker.ql-font .ql-picker-label:before,.ql-snow .ql-picker.ql-font .ql-picker-item:before{content:"Sans Serif"}.ql-snow .ql-picker.ql-font .ql-picker-label[data-value=serif]:before,.ql-snow .ql-picker.ql-font .ql-picker-item[data-value=serif]:before{content:"Serif"}.ql-snow .ql-picker.ql-font .ql-picker-label[data-value=monospace]:before,.ql-snow .ql-picker.ql-font .ql-picker-item[data-value=monospace]:before{content:"Monospace"}.ql-snow .ql-picker.ql-font .ql-picker-item[data-value=serif]:before{font-family:Georgia,Times New Roman,serif}.ql-snow .ql-picker.ql-font .ql-picker-item[data-value=monospace]:before{font-family:Monaco,Courier New,monospace}.ql-snow .ql-picker.ql-size{width:98px}.ql-snow .ql-picker.ql-size .ql-picker-label:before,.ql-snow .ql-picker.ql-size .ql-picker-item:before{content:"Normal"}.ql-snow .ql-picker.ql-size .ql-picker-label[data-value=small]:before,.ql-snow .ql-picker.ql-size .ql-picker-item[data-value=small]:before{content:"Small"}.ql-snow .ql-picker.ql-size .ql-picker-label[data-value=large]:before,.ql-snow .ql-picker.ql-size .ql-picker-item[data-value=large]:before{content:"Large"}.ql-snow .ql-picker.ql-size .ql-picker-label[data-value=huge]:before,.ql-snow .ql-picker.ql-size .ql-picker-item[data-value=huge]:before{content:"Huge"}.ql-snow .ql-picker.ql-size .ql-picker-item[data-value=small]:before{font-size:10px}.ql-snow .ql-picker.ql-size .ql-picker-item[data-value=large]:before{font-size:18px}.ql-snow .ql-picker.ql-size .ql-picker-item[data-value=huge]:before{font-size:32px}.ql-snow .ql-color-picker.ql-background .ql-picker-item{background-color:#fff}.ql-snow .ql-color-picker.ql-color .ql-picker-item{background-color:#000}.ql-code-block-container{position:relative}.ql-code-block-container .ql-ui{top:5px;right:5px}.ql-toolbar.ql-snow{box-sizing:border-box;border:1px solid #ccc;padding:8px;font-family:Helvetica Neue,Helvetica,Arial,sans-serif}.ql-toolbar.ql-snow .ql-formats{margin-right:15px}.ql-toolbar.ql-snow .ql-picker-label{border:1px solid #0000}.ql-toolbar.ql-snow .ql-picker-options{border:1px solid #0000;box-shadow:0 2px 8px #0003}.ql-toolbar.ql-snow .ql-picker.ql-expanded .ql-picker-label,.ql-toolbar.ql-snow .ql-picker.ql-expanded .ql-picker-options{border-color:#ccc}.ql-toolbar.ql-snow .ql-color-picker .ql-picker-item.ql-selected,.ql-toolbar.ql-snow .ql-color-picker .ql-picker-item:hover{border-color:#000}.ql-toolbar.ql-snow+.ql-container.ql-snow{border-top:0}.ql-snow .ql-tooltip{color:#444;white-space:nowrap;background-color:#fff;border:1px solid #ccc;padding:5px 12px;box-shadow:0 0 5px #ddd}.ql-snow .ql-tooltip:before{content:"Visit URL:";margin-right:8px;line-height:26px}.ql-snow .ql-tooltip input[type=text]{border:1px solid #ccc;width:170px;height:26px;margin:0;padding:3px 5px;font-size:13px;display:none}.ql-snow .ql-tooltip a.ql-preview{text-overflow:ellipsis;vertical-align:top;max-width:200px;display:inline-block;overflow-x:hidden}.ql-snow .ql-tooltip a.ql-action:after{content:"Edit";border-right:1px solid #ccc;margin-left:16px;padding-right:8px}.ql-snow .ql-tooltip a.ql-remove:before{content:"Remove";margin-left:8px}.ql-snow .ql-tooltip a{line-height:26px}.ql-snow .ql-tooltip.ql-editing a.ql-preview,.ql-snow .ql-tooltip.ql-editing a.ql-remove{display:none}.ql-snow .ql-tooltip.ql-editing input[type=text]{display:inline-block}.ql-snow .ql-tooltip.ql-editing a.ql-action:after{content:"Save";border-right:0;padding-right:0}.ql-snow .ql-tooltip[data-mode=link]:before{content:"Enter link:"}.ql-snow .ql-tooltip[data-mode=formula]:before{content:"Enter formula:"}.ql-snow .ql-tooltip[data-mode=video]:before{content:"Enter video:"}.ql-snow a{color:#06c}.ql-container.ql-snow{border:1px solid #ccc}.grading-modal-split{grid-template-columns:1fr 1fr;gap:2rem;min-height:400px;display:grid}@media (width<=800px){.grading-modal-split{grid-template-columns:1fr}}.submission-panel{background:var(--gray-50);border-radius:var(--radius-lg);border:1px solid var(--gray-200);flex-direction:column;padding:1.5rem;display:flex}.submission-header{color:var(--gray-800);align-items:center;gap:.5rem;margin-bottom:1rem;font-size:1.1rem;font-weight:700;display:flex}.submission-content-box{background:var(--white);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);border:1px solid var(--gray-200);flex-grow:1;padding:1.5rem}.submission-text{color:var(--gray-800);white-space:pre-wrap;font-family:Inter,sans-serif;font-size:1rem;line-height:1.6}.submission-images{flex-wrap:wrap;gap:.5rem;margin-bottom:1rem;display:flex}.submission-image{border-radius:var(--radius-md);border:1px solid var(--gray-200);max-width:100%}.grading-panel{flex-direction:column;gap:1.5rem;display:flex}.ai-autograder-card{background:linear-gradient(to bottom right, var(--gray-50), var(--gray-100));border-radius:var(--radius-lg);border:1px solid #bae6fd;padding:1.5rem;box-shadow:0 4px 12px #0ea5e91a}.ai-autograder-header{justify-content:space-between;align-items:center;margin-bottom:.5rem;display:flex}.ai-autograder-title{color:#0284c7;align-items:center;gap:.5rem;font-size:1.1rem;font-weight:700;display:flex}.beta-pill{color:#fff;border-radius:var(--radius-full);letter-spacing:.5px;background:#38bdf8;padding:.2rem .5rem;font-size:.7rem;font-weight:800}.ai-autograder-desc{color:#0369a1;margin-bottom:1rem;font-size:.85rem}.btn-generate-ai{background:var(--gradient-omnigrades);color:#fff;border-radius:var(--radius-md);width:100%;box-shadow:var(--shadow-primary);cursor:pointer;border:none;justify-content:center;align-items:center;gap:.5rem;padding:1rem;font-size:1rem;font-weight:700;transition:all .2s;display:flex}.btn-generate-ai:hover:not(:disabled){box-shadow:var(--shadow-primary-hover);transform:translateY(-2px)}.grade-input-container{color:var(--gray-800);align-items:center;gap:.5rem;font-size:1.25rem;font-weight:600;display:flex}.grade-input{text-align:center;border:2px solid var(--gray-200);border-radius:var(--radius-md);width:80px;padding:.75rem;font-size:1.25rem;font-weight:700;transition:all .2s}.grade-input:focus{border-color:var(--primary);outline:none;box-shadow:0 0 0 3px #8b5cf61a}.feedback-textarea{border:2px solid var(--gray-200);border-radius:var(--radius-md);resize:vertical;width:100%;padding:1rem;font-size:.95rem;line-height:1.5;transition:all .2s}.feedback-textarea:focus{border-color:var(--primary);outline:none;box-shadow:0 0 0 3px #8b5cf61a}.modal-footer-actions{border-top:1px solid var(--gray-200);justify-content:flex-end;gap:1rem;margin-top:1rem;padding-top:1.5rem;display:flex}.class-card{background:linear-gradient(135deg, var(--white) 0%, var(--gray-50) 100%);border:1px solid var(--gray-200);border-radius:1.5rem;padding:2rem 1.75rem;transition:all .3s;position:relative;overflow:hidden;box-shadow:0 10px 25px -5px #4f46e526}.class-card:before{content:"";background:linear-gradient(90deg,#ec4899,#8b5cf6,#10b981,#3b82f6);height:6px;position:absolute;top:0;left:0;right:0}.class-card:hover{transform:translateY(-6px)scale(1.01);box-shadow:0 25px 40px -10px #4f46e54d}.class-card-name{color:var(--gray-900);margin-bottom:.75rem;font-size:1.15rem;font-weight:700}.class-code-display{background:var(--gray-100);color:#4f46e5;letter-spacing:3px;text-align:center;border:1px dashed #a5b4fc;border-radius:.5rem;margin:.75rem 0;padding:.6rem;font-family:Courier New,monospace;font-size:1.15rem;font-weight:800}.class-stats{color:var(--gray-600);gap:1.25rem;margin:1rem 0;font-size:.85rem;display:flex}.class-stat-item{align-items:center;gap:.3rem;display:flex}.class-actions{gap:.5rem;margin-top:1rem;display:flex}.pending-section{margin-top:var(--spacing-xl)}.pending-card{background:var(--white);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);border:1px solid var(--gray-200);transition:var(--transition);justify-content:space-between;align-items:center;padding:1rem 1.25rem;display:flex}.pending-card:hover{box-shadow:var(--shadow);border-color:var(--primary-light)}.pending-info{flex-direction:column;gap:.15rem;display:flex}.pending-name{color:var(--gray-900);font-weight:600}.pending-email{color:var(--gray-500);font-size:.8rem}.pending-class{color:var(--primary);font-size:.75rem;font-weight:500}.pending-actions{gap:.5rem;display:flex}.assignment-item{background:var(--white);border-radius:var(--radius-xl);box-shadow:var(--shadow);transition:var(--transition);cursor:pointer;border:1px solid #0000;justify-content:space-between;align-items:center;padding:1.25rem 1.5rem;display:flex}.assignment-item:hover{box-shadow:var(--shadow-md);border-color:var(--primary-light);transform:translateY(-2px)}.assignment-item-info h4{color:var(--gray-900);margin-bottom:.25rem;font-size:1rem;font-weight:600}.assignment-item-meta{color:var(--gray-500);gap:1rem;font-size:.8rem;display:flex}.submission-card{background:var(--white);border-radius:var(--radius-xl);box-shadow:var(--shadow);transition:var(--transition);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1rem;padding:1.25rem 1.5rem;display:flex}.submission-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}.submission-info h4{color:var(--gray-900);margin-bottom:.2rem;font-weight:600}.submission-meta{color:var(--gray-500);font-size:.8rem}.grade-form{gap:var(--spacing-md);flex-direction:column;display:flex}.ai-suggestion-box{border-radius:var(--radius-lg);background:linear-gradient(135deg,#9333ea0d 0%,#3b82f60d 100%);border:1px solid #9333ea26;padding:1.25rem}.ai-suggestion-header{color:var(--gray-800);align-items:center;gap:.5rem;margin-bottom:.75rem;font-weight:600;display:flex}.quick-feedback-btns{flex-wrap:wrap;gap:.5rem;display:flex}.quick-feedback-btn{background:var(--gray-100);border:1px solid var(--gray-200);border-radius:var(--radius-full);cursor:pointer;transition:var(--transition-fast);color:var(--gray-700);padding:.4rem .8rem;font-family:inherit;font-size:.8rem}.quick-feedback-btn:hover{background:var(--primary);color:#fff;border-color:var(--primary)}.rubric-row{align-items:center;gap:.75rem;margin-bottom:.5rem;display:flex}.rubric-row input:first-child{flex:3}.rubric-row input:nth-child(2){flex:1;max-width:80px}.rubric-remove-btn{background:var(--gray-100);border-radius:var(--radius-full);width:30px;height:30px;color:var(--danger);cursor:pointer;transition:var(--transition-fast);border:none;justify-content:center;align-items:center;font-size:1rem;display:flex}.rubric-remove-btn:hover{background:#ef44441a}.toggle-row{align-items:center;gap:.75rem;padding:.5rem 0;display:flex}.toggle-row label{color:var(--gray-700);cursor:pointer;font-size:.9rem;font-weight:500}.analytics-insight-card{background:var(--white);border-radius:var(--radius-xl);box-shadow:var(--shadow);margin-top:1rem;padding:1.5rem}.analytics-insight-card h4{color:var(--gray-800);align-items:center;gap:.5rem;margin-bottom:.75rem;display:flex}.analytics-text{color:var(--gray-600);font-size:.95rem;line-height:1.6}.discussion-board{flex-direction:column;gap:2rem;max-width:800px;margin:0 auto;display:flex}.discussion-header{border-bottom:2px solid var(--gray-200);align-items:center;gap:1rem;padding-bottom:1rem;display:flex}.discussion-header h2{color:var(--gray-900);margin:0;font-size:1.5rem;font-weight:700}.new-post-form{background:var(--glass-bg);border:var(--glass-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);padding:1.5rem}.new-post-form textarea{border:1px solid var(--gray-300);border-radius:var(--radius-md);resize:vertical;background:var(--white);width:100%;color:var(--gray-800);margin-bottom:1rem;padding:1rem;font-size:1rem}.new-post-form textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-light);outline:none}.form-actions{justify-content:flex-end;display:flex}.discussions-list{flex-direction:column;gap:1.5rem;display:flex}.discussion-post{background:var(--white);border:1px solid var(--gray-200);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);overflow:hidden}.post-header{background:var(--gray-50);border-bottom:1px solid var(--gray-100);padding:1.25rem 1.5rem}.post-author{align-items:center;gap:1rem;display:flex}.author-avatar{background:var(--primary);color:#fff;border-radius:50%;justify-content:center;align-items:center;width:40px;height:40px;font-size:1.2rem;font-weight:700;display:flex}.author-name{color:var(--gray-900);align-items:center;gap:.5rem;font-weight:600;display:flex}.author-role{background:var(--gray-200);color:var(--gray-700);border-radius:var(--radius-full);text-transform:uppercase;padding:.1rem .4rem;font-size:.7rem;font-weight:700}.post-time{color:var(--gray-500);align-items:center;gap:.25rem;margin-top:.25rem;font-size:.85rem;display:flex}.post-content{color:var(--gray-800);white-space:pre-wrap;padding:1.5rem;font-size:1.05rem;line-height:1.6}.post-replies{background:var(--gray-50);border-top:1px solid var(--gray-200);flex-direction:column;gap:1rem;padding:1rem 1.5rem;display:flex}.reply{background:var(--white);border:1px solid var(--gray-200);border-radius:var(--radius-md);padding:1rem}.reply.ai-reply{background:var(--primary-light);border-color:var(--primary)}.reply-header{align-items:center;gap:.5rem;margin-bottom:.5rem;font-size:.9rem;display:flex}.reply-author{color:var(--gray-900);font-weight:600}.reply.ai-reply .reply-author{color:var(--primary-dark)}.reply-time{color:var(--gray-500);margin-left:auto;font-size:.8rem}.reply-content{color:var(--gray-700);white-space:pre-wrap;line-height:1.5}.reply.ai-reply .reply-content{color:var(--primary-dark)}.reply-input{gap:.5rem;margin-top:.5rem;display:flex}.reply-input input{border:1px solid var(--gray-300);border-radius:var(--radius-full);flex:1;padding:.75rem 1rem;font-size:.9rem}.reply-input input:focus{border-color:var(--primary);outline:none}.reply-input button{background:var(--primary);color:#fff;cursor:pointer;width:40px;height:40px;transition:var(--transition);border:none;border-radius:50%;justify-content:center;align-items:center;display:flex}.reply-input button:hover:not(:disabled){background:var(--primary-dark)}.reply-input button:disabled{background:var(--gray-300);cursor:not-allowed}.flashcard-container{flex-direction:column;align-items:center;max-width:600px;margin:0 auto;padding:1.5rem;display:flex}.flashcard-progress{color:var(--gray-600);margin-bottom:1rem;font-size:.9rem;font-weight:600}.flashcard{perspective:1000px;cursor:pointer;width:100%;height:300px;margin-bottom:2rem}.flashcard-inner{text-align:center;width:100%;height:100%;transform-style:preserve-3d;box-shadow:var(--shadow-md);border-radius:var(--radius-lg);transition:transform .6s;position:relative}.flashcard.flipped .flashcard-inner{transform:rotateY(180deg)}.flashcard-front,.flashcard-back{backface-visibility:hidden;border-radius:var(--radius-lg);flex-direction:column;justify-content:center;align-items:center;width:100%;height:100%;padding:2rem;display:flex;position:absolute}.flashcard-front{background-color:var(--glass-bg);border:2px solid var(--primary);color:var(--gray-900)}.flashcard-back{background-color:var(--primary);color:#fff;transform:rotateY(180deg)}.flashcard-content{font-size:1.5rem;font-weight:600;line-height:1.4}.flashcard-hint{color:var(--gray-500);align-items:center;gap:.5rem;font-size:.85rem;display:flex;position:absolute;bottom:1.5rem}.flashcard-controls{justify-content:space-between;gap:1rem;width:100%;display:flex}.tab-panel{margin-top:var(--spacing-lg)}.admin-teacher-card{background:var(--white);border-radius:var(--radius-xl);box-shadow:var(--shadow);transition:var(--transition);border:1px solid #0000;align-items:center;gap:1rem;padding:1.25rem 1.5rem;display:flex}.admin-teacher-card:hover{box-shadow:var(--shadow-md);border-color:var(--primary-light);transform:translateY(-3px)}.admin-teacher-avatar{border-radius:var(--radius-full);background:var(--gradient-primary);color:#fff;flex-shrink:0;justify-content:center;align-items:center;width:48px;height:48px;font-size:1.25rem;font-weight:700;display:flex}.admin-teacher-info{flex:1}.admin-teacher-info h4{color:var(--gray-900);margin-bottom:.15rem;font-weight:600}.admin-teacher-info p{color:var(--gray-500);margin:0;font-size:.85rem}.admin-role-breakdown{margin-top:var(--spacing-xl);padding-top:var(--spacing-lg);border-top:1px solid var(--gray-200)}.admin-logs-list{flex-direction:column;gap:.5rem;max-height:600px;padding-right:.5rem;display:flex;overflow-y:auto}.admin-log-entry{background:var(--white);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);border:1px solid var(--gray-100);transition:var(--transition-fast);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:.5rem;padding:.85rem 1.25rem;display:flex}.admin-log-entry:hover{background:var(--gray-50);border-color:var(--gray-200)}.admin-log-action{color:var(--gray-800);background:var(--gray-100);border-radius:var(--radius-sm);padding:.2rem .5rem;font-family:Courier New,monospace;font-size:.85rem;font-weight:600}.admin-log-meta{color:var(--gray-500);align-items:center;gap:1rem;font-size:.8rem;display:flex}.admin-log-meta span{align-items:center;gap:.25rem;display:flex}.global-widgets-container{z-index:9999;flex-direction:column;gap:16px;display:flex;position:fixed;bottom:24px;right:24px}.fab-button{cursor:pointer;border:none;border-radius:50%;justify-content:center;align-items:center;width:56px;height:56px;transition:all .2s cubic-bezier(.175,.885,.32,1.275);display:flex;box-shadow:0 4px 12px #00000026}.fab-button:hover{transform:scale(1.1)translateY(-4px);box-shadow:0 8px 16px #0003}.fab-button:active{transform:scale(.95)}.fab-robot{color:#fff;background:linear-gradient(#a855f7 0%,#8b5cf6 100%);border:1px solid #ffffff1a;font-size:32px;box-shadow:0 6px 16px #8b5cf666,inset 0 2px 4px #ffffff4d}.fab-bug{color:#fff;background:linear-gradient(#60a5fa 0%,#3b82f6 100%);border:1px solid #ffffff1a;box-shadow:0 6px 16px #3b82f666,inset 0 2px 4px #ffffff4d}.fab-bug-icon{color:#ef4444;text-shadow:0 2px 4px #0000004d,0 -1px 1px #fff3;font-family:system-ui,-apple-system,sans-serif;font-size:34px;font-weight:900;line-height:1}*,:before,:after{box-sizing:border-box;margin:0;padding:0}:root{--primary:#8b5cf6;--primary-dark:#6d28d9;--primary-light:#c4b5fd;--secondary:#3b82f6;--accent:#f43f5e;--success:#10b981;--warning:#f59e0b;--danger:#ef4444;--info:#0ea5e9;--white:#fff;--gray-50:#f8fafc;--gray-100:#f1f5f9;--gray-200:#e2e8f0;--gray-300:#cbd5e1;--gray-400:#94a3b8;--gray-500:#64748b;--gray-600:#475569;--gray-700:#334155;--gray-800:#1e293b;--gray-900:#0f172a;--gradient-omnigrades:linear-gradient(135deg, var(--primary), var(--secondary));--gradient-primary:linear-gradient(135deg, var(--primary), var(--secondary));--gradient-primary-btn:linear-gradient(180deg, #a855f7 0%, #8b5cf6 100%);--gradient-success:linear-gradient(180deg, #34d399 0%, #10b981 100%);--gradient-warning:linear-gradient(180deg, #fbbf24 0%, #f59e0b 100%);--gradient-danger:linear-gradient(180deg, #f87171 0%, #ef4444 100%);--gradient-ai:linear-gradient(135deg, #a855f7, #3b82f6, #ec4899);--gradient-bg:#f8fafc;--gradient-navbar:#fff;--gradient-card-top:#8b5cf6;--shadow-sm:0 2px 4px 0 #0000000d;--shadow:0 4px 12px -2px #00000014, 0 2px 6px -2px #0000000a;--shadow-lg:0 20px 40px -8px #0000001f, 0 8px 16px -6px #0000000f;--shadow-primary:0 8px 24px #8b5cf659, inset 0 2px 4px #fff3;--shadow-primary-hover:0 12px 32px #8b5cf680, inset 0 2px 4px #fff3;--shadow-success:0 8px 24px #10b98159, inset 0 2px 4px #fff3;--shadow-danger:0 8px 24px #ef444459, inset 0 2px 4px #fff3;--shadow-navbar:0 4px 20px #0000000d;--glass-bg:#fff;--glass-border:1px solid var(--gray-200);--glass-blur:none;--spacing-xs:.5rem;--spacing-sm:.75rem;--spacing-md:1.5rem;--spacing-lg:2rem;--spacing-xl:3rem;--radius-sm:.5rem;--radius-md:.75rem;--radius-lg:1rem;--radius-xl:1.5rem;--radius-2xl:2rem;--radius-full:9999px;--transition:all .3s cubic-bezier(.25, .8, .25, 1);--transition-fast:all .15s ease-out;--transition-bounce:all .5s cubic-bezier(.34, 1.56, .64, 1)}[data-theme=dark]{--primary:#c084fc;--primary-dark:#d8b4fe;--primary-light:#581c87;--secondary:#60a5fa;--accent:#fb7185;--success:#34d399;--warning:#fbbf24;--danger:#f87171;--info:#38bdf8;--white:#1e293b;--gray-50:#020617;--gray-100:#0f172a;--gray-200:#1e293b;--gray-300:#334155;--gray-400:#475569;--gray-500:#94a3b8;--gray-600:#cbd5e1;--gray-700:#e2e8f0;--gray-800:#f8fafc;--gray-900:#fff;--gradient-bg:#020617;--gradient-navbar:#0f172a;--glass-bg:#1e293b;--glass-border:1px solid var(--gray-300);--shadow-sm:0 2px 4px 0 #00000080;--shadow:0 4px 12px -2px #000c, 0 2px 6px -2px #0006}body{background:var(--gradient-bg);min-height:100vh;color:var(--gray-900);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-attachment:fixed;font-family:Outfit,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;line-height:1.6}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes slideDown{0%{opacity:0;transform:translateY(-100%)}to{opacity:1;transform:translateY(0)}}@keyframes slideUp{0%{opacity:0;transform:translateY(100%)}to{opacity:1;transform:translateY(0)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}@keyframes gradientFlow{0%{background-position:0%}50%{background-position:100%}to{background-position:0%}}.animate-fade-in{animation:.3s ease-out fadeIn}.animate-fade-in-up{animation:.4s ease-out fadeInUp}.animate-scale-in{animation:.4s cubic-bezier(.175,.885,.32,1.275) scaleIn}.stagger-children>*{animation:.4s ease-out both fadeInUp}.stagger-children>:first-child{animation-delay:0s}.stagger-children>:nth-child(2){animation-delay:50ms}.stagger-children>:nth-child(3){animation-delay:.1s}.stagger-children>:nth-child(4){animation-delay:.15s}.stagger-children>:nth-child(5){animation-delay:.2s}.stagger-children>:nth-child(6){animation-delay:.25s}.stagger-children>:nth-child(7){animation-delay:.3s}.stagger-children>:nth-child(8){animation-delay:.35s}h1{font-size:2.25rem;font-weight:800;line-height:1.2}h2{font-size:1.875rem;font-weight:700;line-height:1.3}h3{font-size:1.5rem;font-weight:700;line-height:1.4}h4{font-size:1.25rem;font-weight:600;line-height:1.4}h5{font-size:1.125rem;font-weight:600;line-height:1.5}.text-gradient{background:var(--gradient-primary);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text}.text-muted{color:var(--gray-500)}.text-secondary{color:var(--gray-600)}.container{max-width:1280px;padding:0 var(--spacing-lg);width:100%;margin:0 auto}.dashboard-container{max-width:1280px;padding:var(--spacing-lg);width:100%;margin:0 auto}.page-wrapper{min-height:100vh;animation:.3s ease-out fadeIn}.btn{border-radius:var(--radius-md);cursor:pointer;transition:var(--transition);white-space:nowrap;border:none;justify-content:center;align-items:center;gap:.5rem;padding:.75rem 1.5rem;font-family:inherit;font-size:.95rem;font-weight:600;text-decoration:none;display:inline-flex}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--gradient-primary-btn);color:#fff;box-shadow:var(--shadow-primary);border:none}.btn-primary:hover:not(:disabled){box-shadow:var(--shadow-primary-hover);transform:translateY(-4px)scale(1.02)}.btn-primary:active:not(:disabled){transform:translateY(0)}.btn-secondary{background:var(--white);color:var(--gray-800);border:1px solid var(--gray-300);box-shadow:var(--shadow-sm)}.btn-secondary:hover:not(:disabled){background:var(--gray-50);border-color:var(--gray-400);box-shadow:var(--shadow);transform:translateY(-2px)}.btn-success{background:var(--gradient-success);color:#fff;box-shadow:var(--shadow-success);border:none}.btn-success:hover:not(:disabled){transform:translateY(-3px);box-shadow:0 8px 25px #10b98199}.btn-danger{background:var(--gradient-danger);color:#fff;box-shadow:var(--shadow-danger);border:none}.btn-danger:hover:not(:disabled){transform:translateY(-3px);box-shadow:0 8px 25px #ef444499}.btn-ghost{color:var(--gray-600);background:0 0;border:none;padding:.5rem .75rem}.btn-ghost:hover{background:var(--gray-100);color:var(--gray-900)}.btn-ai{color:#fff;background:#8b5cf6;border:none;font-weight:600;box-shadow:0 4px 15px #a855f766}.btn-ai:hover:not(:disabled){transform:translateY(-3px);box-shadow:0 8px 25px #a855f799}.btn-block{width:100%}.btn-sm{padding:.4rem .85rem;font-size:.8rem}.btn-lg{padding:1rem 2rem;font-size:1.1rem}.btn-icon{border-radius:var(--radius-full);width:36px;height:36px;padding:0}.form-group{margin-bottom:var(--spacing-md)}.form-group label{color:var(--gray-700);margin-bottom:var(--spacing-xs);font-size:.875rem;font-weight:600;display:block}.form-input,input[type=text],input[type=email],input[type=password],input[type=number],input[type=date],input[type=search],select,textarea{border:2px solid var(--gray-200);border-radius:var(--radius-md);width:100%;transition:var(--transition);background:var(--white);color:var(--gray-900);padding:.85rem 1rem;font-family:inherit;font-size:.95rem}.form-input:focus,input:focus,select:focus,textarea:focus{border-color:var(--primary);outline:none;box-shadow:0 0 0 3px #4f46e51a}.form-input::placeholder,input::placeholder,textarea::placeholder{color:var(--gray-400)}.form-hint{margin-top:var(--spacing-xs);color:var(--gray-500);font-size:.8rem;display:block}.card{background:var(--white);border-radius:var(--radius-xl);box-shadow:var(--shadow);padding:var(--spacing-lg);transition:var(--transition);border:1px solid var(--gray-200)}.card-hover:hover{box-shadow:var(--shadow-lg);border-color:var(--primary-light);transform:translateY(-4px)}.card-glass{-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:#ffffffe6;border:1px solid #ffffff4d}.tabs{background:var(--white);border-radius:var(--radius-full);box-shadow:var(--shadow-sm);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);flex-wrap:wrap;gap:.35rem;padding:.35rem;display:inline-flex}.tab-btn{border-radius:var(--radius-full);color:var(--gray-600);cursor:pointer;transition:var(--transition);white-space:nowrap;background:0 0;border:none;align-items:center;gap:.4rem;padding:.6rem 1.25rem;font-size:.9rem;font-weight:600;display:inline-flex}.tab-btn:hover{color:var(--primary);background:#4f46e514}.tab-btn.active{color:#fff;background:var(--gradient-primary);box-shadow:0 4px 15px #db27774d}.stats-grid{gap:var(--spacing-md);margin-bottom:var(--spacing-lg);grid-template-columns:repeat(auto-fit,minmax(200px,1fr));display:grid}.stat-card{background:var(--white);border:1px solid var(--gray-200);border-radius:var(--radius-xl);padding:var(--spacing-lg);box-shadow:var(--shadow);text-align:center;transition:var(--transition)}.stat-card:hover{box-shadow:var(--shadow-md);transform:translateY(-4px)}.stat-icon{margin-bottom:.5rem;font-size:2rem}.stat-value{color:var(--gray-900);font-size:2rem;font-weight:800;line-height:1.2}.stat-label{color:var(--gray-500);margin-top:.25rem;font-size:.85rem;font-weight:500}.grid-cards{gap:var(--spacing-lg);grid-template-columns:repeat(auto-fill,minmax(340px,1fr));display:grid}.grid-list{gap:var(--spacing-md);display:grid}.section-header{margin-bottom:var(--spacing-lg);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1rem;display:flex}.section-header h3{color:var(--gray-900);font-size:1.4rem;font-weight:700}.modal-overlay{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:1000;padding:var(--spacing-lg);background:#00000080;justify-content:center;align-items:center;animation:.2s ease-out fadeIn;display:flex;position:fixed;inset:0}.modal-content{background:var(--white);border-radius:var(--radius-2xl);box-shadow:var(--shadow-xl);width:100%;max-width:560px;max-height:90vh;animation:.3s cubic-bezier(.175,.885,.32,1.275) scaleIn;overflow-y:auto}.modal-large{max-width:800px}.modal-header{padding:var(--spacing-md) var(--spacing-lg);border-bottom:1px solid var(--gray-200);justify-content:space-between;align-items:center;display:flex}.modal-header h3{font-size:1.2rem;font-weight:700}.modal-close{background:var(--gray-100);border-radius:var(--radius-full);cursor:pointer;width:32px;height:32px;color:var(--gray-600);transition:var(--transition);border:none;justify-content:center;align-items:center;font-size:1.1rem;display:flex}.modal-close:hover{background:var(--gray-200);color:var(--gray-900)}.modal-body{padding:var(--spacing-lg)}.modal-footer{padding:var(--spacing-md) var(--spacing-lg);border-top:1px solid var(--gray-200);justify-content:flex-end;gap:.75rem;display:flex}.spinner{border:3px solid var(--gray-200);border-top-color:var(--primary);border-radius:50%;width:24px;height:24px;animation:.6s linear infinite spin}.spinner-lg{border-width:4px;width:40px;height:40px}.loading-state{padding:var(--spacing-2xl);color:var(--gray-500);flex-direction:column;justify-content:center;align-items:center;gap:1rem;display:flex}.empty-state{text-align:center;padding:var(--spacing-2xl);color:var(--gray-500)}.empty-state-icon{opacity:.5;margin-bottom:1rem;font-size:3rem}.empty-state h4{color:var(--gray-700);margin-bottom:.5rem}.empty-state p{max-width:400px;margin:0 auto;line-height:1.5}.skeleton{background:linear-gradient(90deg, var(--gray-200) 25%, var(--gray-100) 50%, var(--gray-200) 75%);border-radius:var(--radius-md);background-size:200% 100%;animation:1.5s infinite shimmer}.badge{border-radius:var(--radius-full);align-items:center;gap:.25rem;padding:.2rem .6rem;font-size:.75rem;font-weight:600;display:inline-flex}.badge-success{color:var(--success);background:#10b9811a}.badge-warning{color:var(--warning);background:#f59e0b1a}.badge-danger{color:var(--danger);background:#ef44441a}.badge-info{color:var(--info);background:#2563eb1a}.badge-primary{color:var(--primary);background:#4f46e51a}.status-badge{border-radius:var(--radius-sm);padding:.25rem .75rem;font-size:.8rem;font-weight:600;display:inline-block}.status-submitted{background:var(--info);color:#fff}.status-graded{background:var(--success);color:#fff}.status-pending{background:var(--warning-light);color:#fff}.status-needs-retake{background:var(--danger);color:#fff}.progress-bar-container{background:var(--gray-200);border-radius:var(--radius-full);width:100%;height:6px;overflow:hidden}.progress-bar-fill{background:var(--gradient-ai);border-radius:var(--radius-full);height:100%;transition:width .3s}.toast-container{z-index:10000;flex-direction:column;gap:.5rem;display:flex;position:fixed;top:20px;right:20px}.toast{background:var(--white);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);border-left:4px solid var(--primary);align-items:center;gap:.75rem;min-width:300px;max-width:450px;padding:1rem 1.25rem;animation:.3s ease-out slideDown;display:flex}.toast-success{border-left-color:var(--success)}.toast-error{border-left-color:var(--danger)}.toast-warning{border-left-color:var(--warning-light)}.toast-message{color:var(--gray-800);flex:1;font-size:.9rem;font-weight:500}.toast-close{color:var(--gray-400);cursor:pointer;background:0 0;border:none;padding:0;font-size:1.1rem}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--gray-300);border-radius:var(--radius-full)}::-webkit-scrollbar-thumb:hover{background:var(--gray-400)}@media (width<=768px){:root{--spacing-lg:1rem;--spacing-xl:1.5rem;--spacing-2xl:2rem}.grid-cards{grid-template-columns:1fr}.stats-grid{grid-template-columns:repeat(2,1fr)}.tabs{justify-content:center;width:100%}.tab-btn{padding:.5rem .9rem;font-size:.8rem}.section-header{flex-direction:column;align-items:flex-start}.modal-content{margin:1rem}h1{font-size:1.75rem}h2{font-size:1.5rem}h3{font-size:1.25rem}}@media (width<=480px){.stats-grid{grid-template-columns:1fr}}.markdown-content{color:var(--gray-800)}.markdown-content p{margin-bottom:1rem}.markdown-content h1,.markdown-content h2,.markdown-content h3,.markdown-content h4,.markdown-content h5{color:var(--gray-900);margin-top:1.5rem;margin-bottom:.75rem}.markdown-content ul,.markdown-content ol{margin-bottom:1rem;margin-left:1.5rem}.markdown-content li{margin-bottom:.25rem}.markdown-content strong{color:var(--gray-900);font-weight:600}.markdown-content blockquote{border-left:4px solid var(--primary);color:var(--gray-600);background:var(--gray-50);border-radius:0 var(--radius-sm) var(--radius-sm) 0;margin:1.5rem 0;padding:1rem}.markdown-content code{background:var(--gray-100);border-radius:4px;padding:.2rem .4rem;font-family:monospace;font-size:.9em}.markdown-content pre{background:var(--gray-900);color:var(--gray-50);border-radius:var(--radius-md);margin-bottom:1.5rem;padding:1rem;overflow-x:auto}.markdown-content pre code{color:inherit;background:0 0;padding:0}