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100%);align-items:center;gap:1.25rem;padding:3rem 1.25rem 1rem;transition:opacity .3s;display:flex;position:absolute;bottom:0;left:0;right:0}.landing-video-controls.visible{opacity:1;pointer-events:auto}.control-btn{color:#fff;cursor:pointer;background:0 0;border:none;border-radius:4px;justify-content:center;align-items:center;padding:.25rem;transition:background-color .2s,transform .1s;display:flex}.control-btn:hover{background:#fff3}.control-btn:active{transform:scale(.95)}.time-display{color:#fff;-webkit-user-select:none;user-select:none;text-align:center;min-width:45px;font-family:monospace;font-size:.85rem}.timeline-wrapper{cursor:pointer;touch-action:none;flex-grow:1;align-items:center;height:24px;display:flex;position:relative}.timeline-track{background:#ffffff4d;border-radius:2px;width:100%;height:4px;transition:height .15s;position:relative}.timeline-buffered{background:#ffffff80;border-radius:2px;transition:width .2s;position:absolute;top:0;bottom:0;left:0}.timeline-progress{background:var(--digi-teal,#00a87e);pointer-events:none;border-radius:2px;position:absolute;top:0;bottom:0;left:0}.timeline-thumb{background:#fff;border-radius:50%;width:12px;height:12px;transition:transform .15s;position:absolute;top:50%;right:-6px;transform:translateY(-50%)scale(0);box-shadow:0 1px 3px #00000080}.timeline-wrapper:hover .timeline-track{height:6px}.timeline-wrapper:hover .timeline-thumb,.timeline-wrapper:active .timeline-thumb{transform:translateY(-50%)scale(1)}@media (width<=480px){.landing-video-controls{gap:.75rem;padding:.75rem}.time-display{font-size:.75rem}}.student-auth-guard-container{box-sizing:border-box;background-color:#f8fafc;background-image:radial-gradient(at 0 0,#b3fff14d 0,#0000 50%),radial-gradient(at 100% 100%,#cce1ff4d 0,#0000 50%);justify-content:center;align-items:center;min-height:100vh;padding:24px;display:flex}.login-panel-wrapper{box-sizing:border-box;background-color:#fff;border:1px solid #e2e8f0cc;border-radius:24px;width:100%;max-width:420px;margin:0 auto;padding:40px;box-shadow:0 10px 25px -5px #0f172a0d,0 8px 10px -6px #0f172a03,inset 0 1px #fff}.login-panel-header{justify-content:flex-start;align-items:center;margin-bottom:24px;display:flex}.login-panel-back{color:#64748b;cursor:pointer;background:#f1f5f9;border:1px solid #0000;border-radius:20px;align-items:center;gap:6px;padding:6px 12px;font-size:13px;font-weight:600;transition:all .2s;display:inline-flex}.login-panel-back:hover{color:#0f172a;background:#e2e8f0}.login-panel-brand{justify-content:center;margin-bottom:24px;display:flex}.login-panel-logo{-o-object-fit:contain;object-fit:contain;width:auto;height:28px}.login-panel-title-container{text-align:center;margin-bottom:32px}.login-panel-title{color:#0f172a;letter-spacing:-.01em;margin-bottom:8px;font-size:22px;font-weight:800}.login-panel-subtitle{color:#64748b;max-width:280px;margin:0 auto;font-size:14px;line-height:1.5}.login-panel-error{color:#b91c1c;background-color:#fef2f2;border:1px solid #fecaca;border-radius:12px;align-items:center;gap:12px;margin-bottom:24px;padding:14px 16px;font-size:14px;font-weight:500;display:flex}.login-panel-error svg{flex-shrink:0}.login-panel-form{flex-direction:column;gap:20px;display:flex}.login-panel-form-group{flex-direction:column;gap:6px;display:flex}.login-panel-label{color:#334155;margin-left:4px;font-size:14px;font-weight:600}.login-panel-input-wrapper{align-items:center;display:flex;position:relative}.login-panel-input-icon{color:#94a3b8;transition:color .2s;position:absolute;left:14px}.login-panel-input{color:#0f172a;box-sizing:border-box;background-color:#fff;border:1px solid #cbd5e1;border-radius:12px;outline:none;width:100%;padding:14px 14px 14px 44px;font-size:16px;transition:all .2s;box-shadow:0 1px 2px #0f172a05}.login-panel-input::placeholder{color:#94a3b8;font-weight:400}.login-panel-input:focus{border-color:var(--accent-teal,#09b89d);box-shadow:0 0 0 3px #09b89d26}.login-panel-input:focus+.login-panel-input-icon,.login-panel-input-wrapper:focus-within .login-panel-input-icon{color:var(--accent-teal,#09b89d)}.login-panel-submit{background-color:var(--accent-teal,#09b89d);color:#fff;cursor:pointer;border:none;border-radius:12px;justify-content:center;align-items:center;gap:8px;width:100%;margin-top:8px;padding:14px;font-size:16px;font-weight:700;transition:all .2s;display:flex;box-shadow:0 4px 12px #09b89d40}.login-panel-submit:hover:not(:disabled){background-color:var(--accent-teal-hover,#079d86);transform:translateY(-1px);box-shadow:0 6px 16px #09b89d4d}.login-panel-submit:active:not(:disabled){transform:translateY(1px);box-shadow:0 2px 8px #09b89d40}.login-panel-submit:disabled{box-shadow:none;cursor:not-allowed;background-color:#94a3b8;transform:none}.login-panel-support{text-align:center;border-top:1px solid #f1f5f9;margin-top:16px;padding-top:16px}.login-panel-support-link{color:#64748b;justify-content:center;align-items:center;gap:8px;font-size:14px;font-weight:500;text-decoration:none;transition:color .2s;display:inline-flex}.login-panel-support-link:hover{color:#334155}.login-panel-support-link .highlight{color:var(--accent-teal,#09b89d);font-weight:600}.login-panel-support-link:hover .highlight{color:var(--accent-teal-hover,#079d86)}@media (width<=480px){.student-auth-guard-container{background-color:#fff;background-image:none;padding:16px}.login-panel-wrapper{box-shadow:none;border:none;padding:32px 20px}}