@import "https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600&display=swap";:root{--bg-primary:#f4f6fb;--bg-secondary:#fff;--bg-tertiary:#f0f2f8;--bg-elevated:#e8ecf5;--text-primary:#111827;--text-secondary:#4b5563;--text-muted:#9ca3af;--accent-primary:#4f46e5;--accent-secondary:#0ea5e9;--accent-gradient:linear-gradient(135deg, #4f46e5 0%, #0ea5e9 100%);--accent-soft:#4f46e512;--accent-soft-2:#0ea5e912;--success:#16a34a;--success-bg:#16a34a12;--warning:#d97706;--warning-bg:#d9770612;--danger:#dc2626;--danger-bg:#dc262612;--border-color:#11182712;--border-hover:#11182726;--glass-bg:#ffffffe0;--glass-border:#1118270f;--card-bg:#fff;--card-shadow:0 1px 3px #1118270d, 0 1px 2px #1118270a;--card-shadow-hover:0 8px 24px #1118271a;--radius:14px;--radius-sm:8px;--radius-lg:20px;--shadow-sm:0 1px 4px #1118270f;--shadow-md:0 4px 16px #11182714;--shadow-lg:0 12px 32px #1118271a;--shadow-glow:0 0 24px #4f46e514}[data-theme=dark]{--bg-primary:#0f1117;--bg-secondary:#161822;--bg-tertiary:#1e2030;--bg-elevated:#252840;--text-primary:#f0f0f5;--text-secondary:#9ca3b8;--text-muted:#5c6380;--accent-primary:#6366f1;--accent-secondary:#38bdf8;--accent-gradient:linear-gradient(135deg, #6366f1 0%, #38bdf8 100%);--accent-soft:#6366f11f;--accent-soft-2:#38bdf81a;--success:#22c55e;--success-bg:#22c55e1f;--warning:#f59e0b;--warning-bg:#f59e0b1f;--danger:#ef4444;--danger-bg:#ef44441f;--border-color:#ffffff14;--border-hover:#ffffff26;--glass-bg:#161822cc;--glass-border:#ffffff0f;--card-bg:#161822cc;--card-shadow:0 2px 8px #0000004d;--card-shadow-hover:0 8px 24px #00000073;--shadow-sm:0 2px 8px #0000004d;--shadow-md:0 4px 16px #0006;--shadow-lg:0 12px 32px #00000080;--shadow-glow:0 0 24px #6366f12e}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{background-color:var(--bg-primary);color:var(--text-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-family:Plus Jakarta Sans,-apple-system,BlinkMacSystemFont,sans-serif;line-height:1.6;transition:background-color .3s,color .3s;overflow-x:hidden}code,.font-mono{font-family:JetBrains Mono,monospace}a{color:inherit;text-decoration:none}button{cursor:pointer;font-family:inherit}input,select,textarea{font-family:inherit}.text-gradient{background:var(--accent-gradient);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes slideInLeft{0%{transform:translate(-100%)}to{transform:translate(0)}}@keyframes countUp{0%{opacity:0;transform:scale(.6)}to{opacity:1;transform:scale(1)}}@keyframes shimmer{0%{background-position:-200% 0}to{background-position:200% 0}}@keyframes glow{0%,to{box-shadow:var(--shadow-glow)}50%{box-shadow:0 0 36px #4f46e524}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.55}}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-6px)}}::-webkit-scrollbar{width:5px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--bg-elevated);border-radius:10px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}.hoverable{transition:transform .2s,box-shadow .2s,border-color .2s}.hoverable:hover{box-shadow:var(--card-shadow-hover);border-color:var(--border-hover);transform:translateY(-3px)}.clickable{transition:transform .12s}.clickable:active{transform:scale(.96)}.fade-in{animation:.4s forwards fadeIn}.slide-up{opacity:0;animation:.45s forwards slideUp}body:before{content:"";pointer-events:none;z-index:0;background:radial-gradient(circle,#4f46e50f 0%,#0000 70%);border-radius:50%;width:500px;height:500px;position:fixed;top:-180px;right:-180px}body:after{content:"";pointer-events:none;z-index:0;background:radial-gradient(circle,#0ea5e90d 0%,#0000 70%);border-radius:50%;width:440px;height:440px;position:fixed;bottom:-160px;left:-140px}[data-theme=dark] body:before,[data-theme=dark] body:after{display:none}.login-container{background-color:var(--bg-primary);justify-content:center;align-items:center;width:100%;min-height:100vh;padding:24px;font-family:Plus Jakarta Sans,sans-serif;display:flex;position:relative;overflow:hidden}.bg-shape{filter:blur(80px);z-index:0;opacity:.6;pointer-events:none;border-radius:50%;position:absolute}.shape-1{background:radial-gradient(circle,#4f46e540 0%,#0ea5e90d 100%);width:500px;height:500px;animation:15s ease-in-out infinite alternate float-slow;top:-10%;left:-10%}.shape-2{background:radial-gradient(circle,#0ea5e933 0%,#4f46e50d 100%);width:600px;height:600px;animation:20s ease-in-out infinite alternate-reverse float-slow;bottom:-15%;right:-10%}@keyframes float-slow{0%{transform:translateY(0)scale(1)}50%{transform:translateY(-40px)scale(1.05)}to{transform:translateY(0)scale(1)}}[data-theme=dark] .shape-1{background:radial-gradient(circle,#6366f126 0%,#0000 80%)}[data-theme=dark] .shape-2{background:radial-gradient(circle,#38bdf81f 0%,#0000 80%)}.login-card{z-index:10;background:var(--glass-bg);-webkit-backdrop-filter:blur(20px);border:1px solid var(--border-color);border-radius:var(--radius-lg);width:100%;max-width:440px;box-shadow:var(--shadow-lg), var(--shadow-glow);flex-direction:column;gap:28px;padding:40px;display:flex;position:relative}[data-theme=dark] .login-card{box-shadow:0 20px 50px #00000080,0 0 40px #6366f114}.login-header{align-items:center;gap:16px;display:flex}.login-logo-pill{background:var(--accent-gradient);border-radius:14px;flex-shrink:0;justify-content:center;align-items:center;width:46px;height:46px;display:flex;box-shadow:0 8px 20px #4f46e540}.login-title-wrapper{flex-direction:column;display:flex}.login-brand-title{fontWeight:800;letter-spacing:-.04em;font-size:22px;line-height:1.1}.login-brand-subtitle{color:var(--text-muted);letter-spacing:.05em;text-transform:uppercase;margin-top:3px;font-size:11px;font-weight:600}.login-info-box{background-color:var(--bg-tertiary);border:1px solid var(--border-color);border-radius:var(--radius);padding:16px}.login-info-text{color:var(--text-secondary);font-size:13.5px;line-height:1.5}.login-error-alert{background-color:var(--danger-bg);border-radius:var(--radius);border:1px solid #dc262626;align-items:flex-start;gap:14px;padding:16px;display:flex}[data-theme=dark] .login-error-alert{border-color:#ef444440}.error-icon-wrapper{color:var(--danger);flex-shrink:0;justify-content:center;align-items:center;padding-top:2px;display:flex}.error-details{flex-direction:column;gap:2px;display:flex}.error-title{color:var(--danger);font-size:14px;font-weight:700}.error-desc{color:var(--text-secondary);font-size:12.5px;line-height:1.4}.login-actions{margin-top:8px}.google-signin-btn{border-radius:var(--radius);border:1px solid var(--border-color);background:var(--bg-secondary);width:100%;height:52px;color:var(--text-primary);box-shadow:var(--shadow-sm);justify-content:center;align-items:center;gap:12px;font-size:15px;font-weight:600;transition:all .2s cubic-bezier(.4,0,.2,1);display:flex}.google-signin-btn:hover:not(:disabled){border-color:var(--accent-primary);background:var(--bg-primary);transform:translateY(-2px);box-shadow:0 4px 12px #4f46e51a}.google-signin-btn:active:not(:disabled){transform:translateY(0)}.google-signin-btn:disabled{opacity:.7;cursor:not-allowed}.google-icon{flex-shrink:0}.btn-text{letter-spacing:-.01em}.spinner{border:2.5px solid var(--border-color);border-top-color:var(--accent-primary);border-radius:50%;width:22px;height:22px;animation:.8s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.login-footer{text-align:center}.footer-copyright{color:var(--text-muted);font-size:11px}.admin-container{flex-direction:column;gap:24px;display:flex}.admin-header{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;display:flex}.admin-tabs{background:var(--bg-tertiary);border-radius:var(--radius);border:1px solid var(--border-color);align-self:flex-start;gap:8px;padding:6px;display:flex}.admin-tab-btn{border-radius:var(--radius-sm);color:var(--text-secondary);background:0 0;border:none;align-items:center;gap:8px;padding:10px 20px;font-size:14px;font-weight:600;transition:all .2s;display:flex}.admin-tab-btn.active{color:var(--accent-primary);background:var(--bg-secondary);box-shadow:var(--shadow-sm)}.admin-card{padding:24px}.admin-section-title{color:var(--text-primary);margin-bottom:20px;font-size:18px;font-weight:700}.allowlist-form{flex-wrap:wrap;gap:12px;max-width:500px;margin-bottom:24px;display:flex}.allowlist-input{border-radius:var(--radius);border:1px solid var(--border-color);background:var(--bg-tertiary);min-width:240px;color:var(--text-primary);outline:none;flex:1;padding:12px 16px;font-size:14px;transition:all .2s}.allowlist-input:focus{border-color:var(--accent-primary);background:var(--bg-secondary)}.table-container{border-radius:var(--radius);border:1px solid var(--border-color);overflow-x:auto}.admin-table{border-collapse:collapse;text-align:left;width:100%;font-size:14px}.admin-table th{background:var(--bg-tertiary);color:var(--text-secondary);border-bottom:1px solid var(--border-color);padding:14px 20px;font-weight:700}.admin-table td{border-bottom:1px solid var(--border-color);color:var(--text-primary);vertical-align:middle;padding:16px 20px}.admin-table tr:last-child td{border-bottom:none}.admin-table tr:hover td{background:#4f46e505}.user-cell{align-items:center;gap:12px;display:flex}.user-avatar{object-fit:cover;border:2px solid var(--border-color);border-radius:50%;width:38px;height:38px}.user-avatar-placeholder{background:var(--accent-soft);width:38px;height:38px;color:var(--accent-primary);border-radius:50%;justify-content:center;align-items:center;font-size:14px;font-weight:700;display:flex}.user-info{flex-direction:column;display:flex}.user-name{font-size:14px;font-weight:600}.user-email{color:var(--text-muted);font-size:12px}.role-badge{text-transform:uppercase;letter-spacing:.05em;border-radius:50px;padding:4px 10px;font-size:11px;font-weight:700;display:inline-block}.role-badge.admin{background:var(--warning-bg);color:var(--warning)}.role-badge.student{background:var(--accent-soft);color:var(--accent-primary)}.action-btn-danger{color:var(--danger);cursor:pointer;border-radius:var(--radius-sm);background:0 0;border:none;justify-content:center;align-items:center;padding:6px;transition:all .2s;display:flex}.action-btn-danger:hover{background:var(--danger-bg)}.action-select{border-radius:var(--radius-sm);border:1px solid var(--border-color);background:var(--bg-secondary);color:var(--text-primary);cursor:pointer;outline:none;padding:6px 12px;font-size:13px;font-weight:500}.action-select:focus{border-color:var(--accent-primary)}.admin-stats-grid{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px;margin-bottom:8px;display:grid}.admin-stat-card{align-items:center;gap:16px;padding:20px 24px;display:flex}.admin-stat-icon-wrapper{border-radius:12px;flex-shrink:0;justify-content:center;align-items:center;width:48px;height:48px;display:flex}.admin-stat-icon-wrapper.purple{background:var(--accent-soft);color:var(--accent-primary)}.admin-stat-icon-wrapper.blue{background:var(--accent-soft-2);color:var(--accent-secondary)}.admin-stat-info{flex-direction:column;display:flex}.admin-stat-val{font-size:24px;font-weight:800;line-height:1.2}.admin-stat-lbl{color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;font-size:12px;font-weight:600}