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229, .2);--border-subtle: rgba(28, 25, 23, .06);--border-default: rgba(28, 25, 23, .12);--border-strong: rgba(28, 25, 23, .2);--color-error: #dc2626;--color-success: #059669;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .06);--shadow-md: 0 4px 12px rgba(0, 0, 0, .08), 0 1px 3px rgba(0, 0, 0, .06);--shadow-lg: 0 8px 24px rgba(0, 0, 0, .12), 0 2px 6px rgba(0, 0, 0, .06);--hover-bg: rgba(28, 25, 23, .04);--scrollbar-thumb: rgba(28, 25, 23, .12);--scrollbar-hover: rgba(28, 25, 23, .22);--spinner-track: rgba(28, 25, 23, .1);--btn-gradient: linear-gradient(135deg, #6b46e5 0%, #8b5cf6 100%);--bolt-gradient: linear-gradient(135deg, #6b46e5 0%, #a78bfa 100%);--modal-overlay: rgba(0, 0, 0, .3);--error-text: #dc2626;--warning-text: #d97706;--preview-bg: rgba(28, 25, 23, .06);--pause-icon-color: white;--folio-bg: rgba(28, 25, 23, .03);--crosshair-color: rgba(28, 25, 23, .2);--paragraph-indicator: rgba(28, 25, 23, .1);--seek-thumb-bg: var(--accent);--seek-thumb-shadow: rgba(0, 0, 0, .2);--auth-message-text: #4338ca;--radius-sm: 6px;--radius-md: 8px;--radius-lg: 12px;--ease: cubic-bezier(.25, .1, .25, 1);--duration-fast: .15s;--duration-normal: .2s}[data-theme=dark]{color-scheme:dark;--bg-base: #111113;--bg-surface-1: #1a191f;--bg-surface-2: #222128;--bg-surface-3: #2a2931;--bg-surface-4: #33323b;--text-primary: rgba(255, 255, 255, .94);--text-secondary: rgba(255, 255, 255, .6);--text-tertiary: rgba(255, 255, 255, .38);--accent: #7c5cfc;--accent-hover: #9b7fff;--accent-glow: rgba(124, 92, 252, .3);--border-subtle: rgba(255, 255, 255, .06);--border-default: rgba(255, 255, 255, .1);--border-strong: rgba(255, 255, 255, .18);--color-error: #ef4444;--color-success: #10b981;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .4);--shadow-md: 0 4px 12px rgba(0, 0, 0, .4), 0 1px 3px rgba(0, 0, 0, .3);--shadow-lg: 0 8px 24px rgba(0, 0, 0, .5), 0 2px 6px rgba(0, 0, 0, .3);--hover-bg: rgba(255, 255, 255, .06);--scrollbar-thumb: rgba(255, 255, 255, .12);--scrollbar-hover: rgba(255, 255, 255, .22);--spinner-track: rgba(255, 255, 255, .1);--btn-gradient: linear-gradient(135deg, #7c5cfc 0%, #9b5de5 100%);--bolt-gradient: linear-gradient(135deg, #7c5cfc 0%, #c084fc 100%);--modal-overlay: rgba(0, 0, 0, .6);--error-text: #fca5a5;--warning-text: #fbbf24;--preview-bg: rgba(0, 0, 0, .3);--pause-icon-color: white;--folio-bg: rgba(255, 255, 255, .02);--crosshair-color: rgba(255, 255, 255, .25);--paragraph-indicator: rgba(255, 255, 255, .15);--seek-thumb-bg: #fff;--seek-thumb-shadow: rgba(0, 0, 0, .3);--auth-message-text: #c7d2fe}*,*:before,*:after{box-sizing:border-box}*{margin:0}html,body{height:100%}body{font-family:Atkinson Hyperlegible,system-ui,-apple-system,sans-serif;line-height:1.5;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility;background-color:var(--bg-base);color:var(--text-primary)}#root{height:100%}img,picture,video,canvas,svg{display:block;max-width:100%}input,button,textarea,select{font:inherit}p,h1,h2,h3,h4,h5,h6{overflow-wrap:break-word}::selection{background:var(--accent-glow)}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--scrollbar-thumb);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--scrollbar-hover)}.app{height:100%;display:flex;flex-direction:column;width:100%}.btn{display:inline-flex;align-items:center;justify-content:center;padding:.5rem 1rem;border:1px solid transparent;border-radius:var(--radius-md);font-size:.875rem;font-weight:500;cursor:pointer;transition:all var(--duration-fast) var(--ease);-webkit-user-select:none;user-select:none}.btn:disabled{opacity:.4;cursor:not-allowed}.btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.btn-primary{background:var(--btn-gradient);color:#fff;border-color:transparent}.btn-primary:hover:not(:disabled){filter:brightness(1.15);box-shadow:0 4px 16px var(--accent-glow)}.btn-primary:active:not(:disabled){filter:brightness(.95);transform:scale(.98)}.btn-secondary{background-color:transparent;color:var(--text-secondary);border-color:var(--border-default)}.btn-secondary:hover:not(:disabled){background-color:var(--hover-bg);color:var(--text-primary);border-color:var(--border-strong)}.btn-ghost{background-color:transparent;color:var(--text-secondary)}.btn-ghost:hover:not(:disabled){background-color:var(--hover-bg);color:var(--text-primary)}.btn-icon{padding:.5rem;border-radius:var(--radius-md)}.input{width:100%;padding:.5rem .75rem;background-color:var(--bg-surface-1);border:1px solid var(--border-default);border-radius:var(--radius-md);color:var(--text-primary);outline:none;transition:border-color var(--duration-fast) var(--ease),box-shadow var(--duration-fast) var(--ease)}.input:hover{border-color:var(--border-strong)}.input:focus{border-color:var(--accent);box-shadow:0 0 0 3px #7c5cfc26}.input::placeholder{color:var(--text-tertiary)}.spinner{width:2rem;height:2rem;border:2px solid var(--spinner-track);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.error-message{padding:.75rem 1rem;background-color:#ef44441a;border:1px solid rgba(239,68,68,.25);border-radius:var(--radius-md);color:var(--error-text);font-size:.875rem}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background-color:var(--modal-overlay);backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:100}.modal{background-color:var(--bg-surface-3);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);padding:1.5rem;max-width:400px;width:90%;max-height:90vh;overflow-y:auto;box-shadow:var(--shadow-lg)}.modal-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1rem}.modal-title{font-size:1.125rem;font-weight:600;letter-spacing:-.01em}.header{display:flex;justify-content:space-between;align-items:center;padding:.5rem 1rem;background-color:var(--bg-surface-1)}.header-left,.header-right{display:flex;align-items:center;gap:.5rem}.card{background-color:var(--bg-surface-2);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);padding:1rem;cursor:pointer;transition:transform var(--duration-normal) var(--ease),border-color var(--duration-normal) var(--ease),box-shadow var(--duration-normal) var(--ease),background-color var(--duration-normal) var(--ease)}.card:hover{background-color:var(--bg-surface-3);border-color:var(--border-default);transform:translateY(-1px);box-shadow:var(--shadow-md)}.card:active{transform:translateY(0) scale(.99);transition-duration:.1s}.card-error{border-color:#ef44444d}.dropdown{position:relative;display:inline-block}.dropdown-menu{position:absolute;top:100%;right:0;margin-top:.5rem;background-color:var(--bg-surface-3);border:1px solid var(--border-default);border-radius:var(--radius-md);min-width:200px;z-index:50;box-shadow:var(--shadow-lg)}.dropdown-item{display:block;width:100%;padding:.625rem 1rem;text-align:left;background:none;border:none;color:var(--text-secondary);font-size:.875rem;cursor:pointer;transition:background-color var(--duration-fast) var(--ease),color var(--duration-fast) var(--ease)}.dropdown-item:hover{background-color:var(--hover-bg);color:var(--text-primary)}.dropdown-divider{height:1px;background-color:var(--border-subtle);margin:.375rem 0}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border-width:0}