@import"https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700;1,9..40,400&display=swap";:root{--primary-50: #eff6ff;--primary-100: #dbeafe;--primary-200: #bfdbfe;--primary-300: #93c5fd;--primary-400: #60a5fa;--primary-500: #3b82f6;--primary-600: #2563eb;--primary-700: #1d4ed8;--primary-800: #1e40af;--primary-900: #1e3a8a;--slate-25: #fcfcfc;--slate-50: #f8fafc;--slate-100: #f1f5f9;--slate-200: #e2e8f0;--slate-300: #cbd5e1;--slate-400: #94a3b8;--slate-500: #64748b;--slate-600: #475569;--slate-700: #334155;--slate-800: #1e293b;--slate-900: #0f172a;--success-bg: #f0fdf4;--success-text: #15803d;--warning-bg: #fefce8;--warning-text: #b45309;--error-bg: #fef2f2;--error-text: #b91c1c;--error-border: #fecaca;--info-bg: #eff6ff;--info-text: #1d4ed8;--glass-bg: #ffffff;--glass-border: #e2e8f0;--glass-shadow: var(--shadow-sm);--glass-blur: 0px;--bg-gradient: linear-gradient(160deg, #edf2fb 0%, #f4f7ff 40%, #f8fafc 100%);--font-sans: "DM Sans", system-ui, -apple-system, sans-serif;--spacing-xs: .25rem;--spacing-sm: .5rem;--spacing-md: 1rem;--spacing-lg: 1.5rem;--spacing-xl: 2rem;--spacing-2xl: 3rem;--spacing-3xl: 4rem;--radius-sm: .25rem;--radius-md: .375rem;--radius-lg: .5rem;--radius-xl: 1rem;--radius-full: 9999px;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -1px rgba(0, 0, 0, .06);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -2px rgba(0, 0, 0, .05);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .1), 0 10px 10px -5px rgba(0, 0, 0, .04);--shadow-glow: inset 0 0 0 1px rgba(255, 255, 255, .1);--border-subtle: 1px solid var(--slate-200);--border-highlight: 1px solid var(--primary-200);--transition-fast: .15s cubic-bezier(.4, 0, .2, 1);--transition-normal: .3s cubic-bezier(.4, 0, .2, 1);--warning-400: #fbbf24;--warning-700: #b45309;--success-500: #22c55e;--error-500: #ef4444}[data-active-role=student]{--primary-50: #ecfdf5;--primary-100: #d1fae5;--primary-200: #a7f3d0;--primary-300: #6ee7b7;--primary-400: #34d399;--primary-500: #10b981;--primary-600: #059669;--primary-700: #047857;--primary-800: #065f46;--primary-900: #064e3b}[data-active-role=admin]{--primary-50: #f5f3ff;--primary-100: #ede9fe;--primary-200: #ddd6fe;--primary-300: #c4b5fd;--primary-400: #a78bfa;--primary-500: #8b5cf6;--primary-600: #7c3aed;--primary-700: #6d28d9;--primary-800: #5b21b6;--primary-900: #4c1d95}[data-active-role=teacher] .app-header{border-top:3px solid #2563eb}[data-active-role=student] .app-header{border-top:3px solid #059669}[data-active-role=admin] .app-header{border-top:3px solid #7c3aed}[data-active-role=owner] .app-header{border-top:3px solid #334155}[data-theme=dark]{--bg-gradient: linear-gradient(to bottom, #0f172a 0%, #1e293b 100%);--glass-bg: #1e293b;--glass-border: #334155;--slate-25: #1e293b;--slate-50: #0f172a;--slate-100: #1e293b;--slate-200: #334155;--slate-300: #475569;--slate-400: #64748b;--slate-500: #94a3b8;--slate-600: #cbd5e1;--slate-700: #e2e8f0;--slate-800: #f1f5f9;--slate-900: #f8fafc;--success-bg: rgba(21, 128, 61, .15);--success-text: #4ade80;--warning-bg: rgba(180, 83, 9, .15);--warning-text: #fbbf24;--error-bg: rgba(185, 28, 28, .15);--error-text: #f87171;--error-border: #7f1d1d;--info-bg: rgba(29, 78, 216, .15);--info-text: #93c5fd;--border-subtle: 1px solid #334155;--border-highlight: 1px solid #1d4ed8;--primary-50: rgba(59, 130, 246, .1);--primary-200: rgba(59, 130, 246, .3)}[data-theme=dark] body{color:var(--slate-800)}[data-theme=dark] .app-header{background:#1e293b;border-bottom-color:#334155}[data-theme=dark] .card-panel,[data-theme=dark] .list-item-card,[data-theme=dark] .table-container{background:#1e293b;border-color:#334155}[data-theme=dark] .table th{background-color:#0f172a;color:var(--slate-500);border-bottom-color:#334155}[data-theme=dark] .table td{border-bottom-color:#334155;color:var(--slate-700)}[data-theme=dark] .table tbody tr:hover{background-color:#ffffff08}[data-theme=dark] .app-footer{background-color:#1e293b;border-top-color:#334155}[data-theme=dark] .input,[data-theme=dark] .textarea{background-color:#0f172a;border-color:#334155;color:var(--slate-800);box-shadow:none}[data-theme=dark] .input:focus,[data-theme=dark] .textarea:focus{border-color:var(--primary-500);box-shadow:0 0 0 3px #3b82f633}[data-theme=dark] .btn-secondary,[data-theme=dark] .btn-glass-secondary{background:#1e293b;color:var(--slate-700);border-color:#334155}[data-theme=dark] .btn-secondary:hover:not(:disabled),[data-theme=dark] .btn-glass-secondary:hover:not(:disabled){background:#334155;color:var(--slate-900)}[data-theme=dark] .app-title{color:var(--slate-900)}*,*:before,*:after{box-sizing:border-box}button,input,select,textarea{font-family:inherit}body{margin:0;font-family:var(--font-sans);background:var(--bg-gradient);background-attachment:fixed;color:var(--slate-800);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;line-height:1.6}h1,h2,h3,h4,h5,h6{color:var(--slate-900);margin-top:0;line-height:1.25;letter-spacing:-.01em}h1{font-size:2.25rem;font-weight:700}h2{font-size:1.875rem;font-weight:600}h3{font-size:1.5rem;font-weight:600}a{color:var(--primary-600);text-decoration:none;font-weight:500;transition:color var(--transition-fast)}a:hover{color:var(--primary-700);text-decoration:underline}hr{border:0;border-top:1px solid var(--slate-200);margin:var(--spacing-xl) 0}.container{max-width:1200px;margin:0 auto;padding:0 var(--spacing-md)}.page-layout{display:flex;flex-direction:column;min-height:100vh}.main-content{flex:1;padding:var(--spacing-xl) 0}.app-header{background:#fff;border-bottom:1px solid var(--slate-200);position:sticky;top:0;z-index:50;padding:var(--spacing-md) var(--spacing-xl);display:flex;justify-content:space-between;align-items:center;box-shadow:var(--shadow-sm)}.header-left,.header-right{display:flex;align-items:center;gap:var(--spacing-lg)}.app-title{font-size:1.25rem;font-weight:700;color:var(--slate-900);margin:0;padding-right:var(--spacing-lg);border-right:1px solid var(--slate-200);letter-spacing:-.02em}.breadcrumbs{display:flex;align-items:center;gap:6px;font-size:.875rem;color:var(--slate-500)}.breadcrumbs a{color:var(--slate-500);font-weight:500;padding:2px 6px;border-radius:var(--radius-sm);transition:all var(--transition-fast);text-decoration:none}.breadcrumbs a:hover{background-color:var(--slate-100);color:var(--slate-900);text-decoration:none}.breadcrumbs .current{color:var(--slate-900);font-weight:600;padding:2px 6px}.card-panel{background:#fff;border:1px solid var(--border-subtle);border-radius:var(--radius-lg);box-shadow:0 2px 8px #00000014,0 1px 3px #0000000d;overflow:hidden;transition:box-shadow var(--transition-fast)}.list-item-card{display:flex;justify-content:space-between;align-items:center;padding:var(--spacing-lg);margin-bottom:var(--spacing-md);background:#fff;border:1px solid var(--slate-200);border-radius:var(--radius-md);transition:all var(--transition-fast);box-shadow:var(--shadow-sm);position:relative}.list-item-card:hover{border-color:var(--primary-300);box-shadow:var(--shadow-md);transform:translateY(-1px)}.list-item-text{font-size:1rem;font-weight:600;color:var(--slate-900)}.btn{display:inline-flex;align-items:center;justify-content:center;padding:.625rem 1.25rem;font-weight:400;letter-spacing:.01em;font-size:.95rem;border-radius:6px;border:1px solid transparent;cursor:pointer;transition:all var(--transition-fast);line-height:1.5;gap:.5rem}.btn:disabled{opacity:.5;cursor:not-allowed;filter:grayscale(100%)}.btn-primary,.btn-glass-primary{background:linear-gradient(135deg,var(--primary-500) 0%,var(--primary-700) 100%);color:#fff;border:none;box-shadow:0 2px 5px #2563eb59,0 1px 2px #0000001a}.btn-primary:hover:not(:disabled),.btn-glass-primary:hover:not(:disabled){background:linear-gradient(135deg,var(--primary-400) 0%,var(--primary-600) 100%);box-shadow:0 4px 12px #2563eb73,0 2px 4px #0000001a;transform:translateY(-1px)}.btn-secondary,.btn-glass-secondary{background:#fff;color:var(--slate-700);border:1px solid var(--slate-300);box-shadow:var(--shadow-sm)}.btn-secondary:hover:not(:disabled),.btn-glass-secondary:hover:not(:disabled){background:var(--slate-50);border-color:var(--slate-400);color:var(--slate-900);box-shadow:var(--shadow-md)}.btn-danger,.btn-glass-destructive{background:#fff;color:var(--error-text);border:1px solid var(--error-border);box-shadow:var(--shadow-sm)}.btn-danger:hover:not(:disabled),.btn-glass-destructive:hover:not(:disabled){background:var(--error-bg);border-color:var(--error-text);box-shadow:var(--shadow-md)}.btn-small{padding:.375rem .75rem;font-size:.875rem}.form-group{margin-bottom:var(--spacing-lg)}.label{display:block;margin-bottom:.375rem;font-weight:500;color:var(--slate-700);font-size:.9rem}input::placeholder,textarea::placeholder{font-family:var(--font-sans);color:var(--slate-400);font-weight:400;opacity:1}.input,.textarea{width:100%;padding:.625rem .875rem;font-size:.95rem;border:1px solid var(--slate-300);border-radius:var(--radius-md);background-color:#fff;transition:border-color var(--transition-fast),box-shadow var(--transition-fast);color:var(--slate-900);box-shadow:0 1px 2px #0000000d inset}.input:focus,.textarea:focus{outline:none;border-color:var(--primary-500);box-shadow:0 0 0 3px var(--primary-50)}.table-container{background:#fff;border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);border:1px solid var(--slate-200);overflow:hidden}.table{width:100%;border-collapse:collapse}.table th{background-color:var(--slate-50);color:var(--slate-600);font-weight:600;text-transform:uppercase;font-size:.75rem;letter-spacing:.05em;padding:.75rem 1rem;border-bottom:1px solid var(--slate-200);text-align:left}.table td{padding:1rem;border-bottom:1px solid var(--slate-100);color:var(--slate-700);font-size:.95rem}.table tr:last-child td{border-bottom:none}.table tbody tr:hover{background-color:var(--slate-50)}.app-footer{background-color:#fff;border-top:1px solid var(--slate-200);padding:var(--spacing-lg) 0;text-align:center;color:var(--slate-400);font-size:.84rem;margin-top:auto}.social-links{display:flex;justify-content:center;gap:var(--spacing-lg);margin-top:var(--spacing-md)}.social-links a{font-size:1.5rem;color:var(--slate-400)}.social-links a:hover{color:var(--primary-600);transform:translateY(-2px)}.fade-in{animation:fadeIn .3s ease-in-out}@keyframes fadeIn{0%{opacity:0;transform:translateY(5px)}to{opacity:1;transform:translateY(0)}}.MafsView{display:block;background:var(--mafs-bg);overflow:hidden;-webkit-user-select:none;user-select:none;font-family:inherit;font-variant-numeric:tabular-nums;touch-action:none;outline:0;--mafs-bg: black;--mafs-fg: white;--mafs-origin-color: var(--mafs-fg);--mafs-line-color: #555;--mafs-line-stroke-dash-style: 4, 3;--mafs-axis-stroke-width: 1px;--grid-line-subdivision-color: #222;--mafs-red: #f11d0e;--mafs-orange: #f14e0e;--mafs-yellow: #ffe44a;--mafs-green: #15e272;--mafs-blue: #58a6ff;--mafs-indigo: #7c58ff;--mafs-violet: #ae58ff;--mafs-pink: #ee00ab}.MafsView text{fill:var(--mafs-fg);cursor:default}.MafsView path{stroke:var(--mafs-fg)}.MafsView:focus-visible{border-radius:5px;outline:3px solid #58a6ff}@supports not selector(:focus-visible){.MafsView:focus{border-radius:5px;outline:3px solid #58a6ff}}.mafs-shadow{paint-order:stroke;stroke-width:3px;stroke:var(--mafs-bg);stroke-opacity:.75;stroke-linejoin:round}.mafs-movable-point{cursor:grab;touch-action:none}.mafs-movable-point-dragging{cursor:grabbing}.mafs-movable-point:focus{outline:0}.mafs-movable-point *{fill:none;stroke:none}.mafs-movable-point-hitbox{fill:transparent}.mafs-movable-point-focus{stroke:var(--movable-point-color);stroke-width:2;stroke-opacity:0;fill:none;transition:stroke-opacity .2s ease}.mafs-movable-point-ring{fill:var(--movable-point-color);fill-opacity:.25;stroke:none;transition:r .2s ease}.mafs-movable-point-point{fill:var(--movable-point-color);transition:r .2s ease}.mafs-movable-point:hover .mafs-movable-point-point,.mafs-movable-point:focus-visible .mafs-movable-point-point{r:calc(var(--movable-point-ring-size) - 2px)}.mafs-movable-point:hover .mafs-movable-point-ring,.mafs-movable-point:focus-visible .mafs-movable-point-ring{r:calc(var(--movable-point-ring-size) + 3px)}.mafs-movable-point.mafs-movable-point-dragging .mafs-movable-point-ring{r:var(--movable-point-ring-size)}.mafs-movable-point:focus-visible .mafs-movable-point-focus{stroke-opacity:1}.dash-layout{position:relative;min-height:100vh;overflow-x:hidden;z-index:1}.dash-ambient-orb{position:absolute;border-radius:50%;pointer-events:none;z-index:-1;filter:blur(140px);opacity:.25}.theme-dark .dash-ambient-orb{opacity:.15}.orb-1{top:-10%;left:-10%;width:45%;height:45%;background:#2dd4bf66;animation:dashDrift 20s ease-in-out infinite alternate}.orb-2{bottom:-20%;right:-10%;width:50%;height:50%;background:#60a5fa4d;animation:dashDrift 25s ease-in-out infinite alternate-reverse}.orb-3{top:40%;left:60%;width:30%;height:30%;background:#c084fc33;animation:dashDrift 18s ease-in-out infinite alternate}.dash-glass-card{background:#ffffffd9;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid rgba(226,232,240,.8);border-radius:16px;box-shadow:0 4px 6px -1px #0000000d,0 2px 4px -1px #00000008;transition:transform .25s cubic-bezier(.16,1,.3,1),box-shadow .25s cubic-bezier(.16,1,.3,1),border-color .25s}.theme-dark .dash-glass-card{background:#1e293bb3;border:1px solid rgba(51,65,85,.8);box-shadow:0 4px 12px #0003}.dash-glass-card.interactive:hover{transform:translateY(-4px);box-shadow:0 12px 24px -4px #14b8a626,0 4px 8px -2px #14b8a61a;border-color:#2dd4bf80}.theme-dark .dash-glass-card.interactive:hover{background:#1e293be6;box-shadow:0 12px 24px -4px #0006,0 0 0 1px #2dd4bf4d;border-color:#2dd4bf66}.dash-glass-list-item{background:#fff9;border:1px solid rgba(226,232,240,.6);border-radius:12px;transition:all .2s ease}.theme-dark .dash-glass-list-item{background:#0f172a66;border:1px solid rgba(51,65,85,.4)}.dash-glass-list-item.interactive:hover{background:#fff;border-color:#2dd4bf66;transform:translate(4px);box-shadow:0 4px 12px #0000000d}.theme-dark .dash-glass-list-item.interactive:hover{background:#1e293bcc;border-color:#2dd4bf66;box-shadow:0 4px 12px #0003}@keyframes dashFadeInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes dashDrift{0%{transform:translate(0) scale(1)}50%{transform:translate(40px,-20px) scale(1.05)}to{transform:translate(-20px,40px) scale(.95)}}@keyframes dashFloat{0%,to{transform:translateY(0)}50%{transform:translateY(-8px)}}.dash-animate-up{opacity:0;animation:dashFadeInUp .6s cubic-bezier(.16,1,.3,1) forwards}.dash-animate-float{animation:dashFloat 5s ease-in-out infinite}.dash-gradient-text{background:linear-gradient(to right,#0d9488,#2563eb);-webkit-background-clip:text;color:transparent}.theme-dark .dash-gradient-text{background:linear-gradient(to right,#2dd4bf,#60a5fa);-webkit-background-clip:text;color:transparent}@keyframes fadeInUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-15px)}}@keyframes drift{0%,to{transform:translate(0) scale(1);opacity:.2}50%{transform:translate(30px,-30px) scale(1.05);opacity:.4}}@keyframes pulse-glow{0%,to{opacity:.8;transform:scale(1)}50%{opacity:.4;transform:scale(1.05)}}.animate-fade-in-up{animation:fadeInUp .8s cubic-bezier(.16,1,.3,1) forwards;opacity:0}.animate-float{animation:float 6s ease-in-out infinite}.animate-drift{animation:drift 15s ease-in-out infinite}.animate-pulse-glow{animation:pulse-glow 3s ease-in-out infinite}.lp-wrapper{min-height:100vh;font-family:Inter,system-ui,sans-serif;overflow:hidden;position:relative;transition:background-color .4s ease,color .4s ease}.lp-wrapper.light{background-color:#f8fafc;color:#1e293b}.lp-wrapper.dark{background-color:#020b10;color:#e2e8f0}.lp-glow-1,.lp-glow-2{position:absolute;width:40%;height:40%;border-radius:50%;filter:blur(120px);pointer-events:none;z-index:0}.lp-glow-1{top:-10%;left:-10%}.lp-glow-2{bottom:-10%;right:-10%;animation-delay:-7.5s}.lp-wrapper.light .lp-glow-1{background-color:#5eead44d}.lp-wrapper.light .lp-glow-2{background-color:#67e8f94d}.lp-wrapper.dark .lp-glow-1{background-color:#134e4a33}.lp-wrapper.dark .lp-glow-2{background-color:#164e6333}.lp-nav{position:fixed;top:0;width:100%;z-index:50;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid;transition:all .4s ease}.lp-wrapper.light .lp-nav{background-color:#f8fafccc;border-color:#e2e8f0}.lp-wrapper.dark .lp-nav{background-color:#020b10cc;border-color:#1e293b80}.lp-nav-content{max-width:1280px;margin:0 auto;padding:0 1.5rem;display:flex;justify-content:space-between;align-items:center;height:80px}.lp-nav-logo-text{font-weight:800;font-size:1.25rem;letter-spacing:.025em;background-clip:text;-webkit-background-clip:text;color:transparent}.lp-wrapper.light .lp-nav-logo-text{background-image:linear-gradient(to right,#0d9488,#0891b2)}.lp-wrapper.dark .lp-nav-logo-text{background-image:linear-gradient(to right,#2dd4bf,#22d3ee)}.lp-btn-primary{display:flex;align-items:center;justify-content:center;gap:8px;font-weight:700;border-radius:9999px;transition:all .3s;cursor:pointer;border:none}.lp-btn-outline{display:flex;align-items:center;justify-content:center;gap:8px;font-weight:700;border-radius:9999px;transition:all .3s;cursor:pointer}.lp-nav-btn{font-size:.875rem;padding:.5rem 1.25rem;border-radius:9999px;font-weight:600;cursor:pointer;border:1px solid transparent;transition:all .3s}.lp-wrapper.light .lp-nav-link{color:#475569;background:none;border:none;font-weight:500;font-size:.875rem}.lp-wrapper.light .lp-nav-link:hover{color:#0f172a}.lp-wrapper.light .lp-nav-btn{background-color:#f0fdfa;color:#0f766e;border-color:#bbf7d0;box-shadow:0 4px 14px #14b8a61a}.lp-wrapper.light .lp-nav-btn:hover{background-color:#14b8a6;color:#fff;border-color:#14b8a6}.lp-wrapper.dark .lp-nav-link{color:#cbd5e1;background:none;border:none;font-weight:500;font-size:.875rem}.lp-wrapper.dark .lp-nav-link:hover{color:#fff}.lp-wrapper.dark .lp-nav-btn{background-color:#14b8a61a;color:#2dd4bf;border-color:#14b8a64d;box-shadow:0 0 15px #14b8a626}.lp-wrapper.dark .lp-nav-btn:hover{background-color:#14b8a6;color:#0f172a;border-color:#14b8a6}.lp-hero{position:relative;padding:120px 1.5rem 80px;max-width:1280px;margin:0 auto;display:flex;flex-direction:column;align-items:center;text-align:center;z-index:10}.lp-hero-title{font-size:4.5rem;font-weight:800;letter-spacing:-.025em;margin-bottom:1.5rem;line-height:1.1}.lp-hero-subtitle{font-size:1.25rem;max-width:42rem;margin-bottom:2.5rem;line-height:1.6}.lp-wrapper.light .lp-hero-subtitle{color:#475569}.lp-wrapper.dark .lp-hero-subtitle{color:#94a3b8}.lp-title-gradient.light{background-image:linear-gradient(to right,#0d9488,#0891b2,#1d4ed8)}.lp-title-gradient.dark{background-image:linear-gradient(to 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