:root{color-scheme:dark;--navbar-height: 64px;--surface-page: #131110;--surface-panel: #211f1c;--surface-card: #2a2724;--surface-raised: #34302b;--surface-inset: #191715;--surface-overlay: #26231f;--accent: #f5d400;--accent-hover: #ffe23a;--accent-pressed: #d9bc00;--accent-soft: rgba(245, 212, 0, .12);--on-accent: #171512;--gold-border: #8a7a45;--gold-text: #c0ae6b;--noise: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.045'/%3E%3C/svg%3E");--color-surface: var(--surface-panel);--color-surface-glass: rgba(255, 255, 255, .03);--color-surface-solid: var(--surface-card);--color-surface-solid-hover: var(--surface-raised);--color-modal-bg: var(--surface-overlay);--color-border: rgba(255, 255, 255, .1);--color-border-soft: rgba(255, 255, 255, .06);--color-input-border: rgba(255, 255, 255, .14);--color-text: #f1ede6;--color-text-muted: rgba(241, 237, 230, .62);--color-text-faint: rgba(241, 237, 230, .42);--color-heading: #f7f4ee;--color-placeholder: rgba(241, 237, 230, .35);--color-tooltip-bg: var(--surface-overlay);--color-tooltip-text: var(--color-text);--color-gray-100: #8f8a82;--color-gray-200: #7c7770;--color-gray-300: #66615a;--color-gray-400: #4c4741;--color-gray-500: #3c3833;--color-gray-600: var(--surface-raised);--color-gray-disabled: #6c675f;--color-danger: #dc3545;--color-danger-hover: #c82333;--color-warning-bg: rgba(160, 141, 79, .12);--color-warning-border: var(--gold-border);--color-warning-text: var(--gold-text);--color-success-bg: #1e4620;--color-success-text: #8fd99f;--color-success-border: #2d5a32;--color-error-bg: #4a1f24;--color-error-text: #f5a3ab;--color-error-border: #5a2a30;--radius-sm: 10px;--radius-md: 16px;--radius-lg: 24px;--radius-xl: 32px;--radius-pill: 999px;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .4);--shadow-md: 0 8px 24px rgba(0, 0, 0, .35);--shadow-lg: 0 24px 48px -12px rgba(0, 0, 0, .55);--shadow-panel: 0 30px 60px -15px rgba(0, 0, 0, .65), 0 4px 16px rgba(0, 0, 0, .3), inset 0 1px 0 rgba(255, 255, 255, .05);--shadow-raised: 0 12px 26px rgba(0, 0, 0, .5), inset 0 1px 0 rgba(255, 255, 255, .08);--shadow-accent: 0 6px 18px rgba(245, 212, 0, .25);--shadow-pill: 0 4px 12px rgba(0, 0, 0, .35), inset 0 1px 0 rgba(255, 255, 255, .06);--ease-standard: cubic-bezier(.4, 0, .2, 1);--ease-emphasized: cubic-bezier(.16, 1, .3, 1);--transition-fast: .15s;--transition-base: .25s;--transition-slow: .5s;--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-5: 20px;--space-6: 24px;--space-7: 32px;--space-8: 40px;--font-sans: "Plus Jakarta Sans", system-ui, Avenir, Helvetica, Arial, sans-serif;--font-mono: ui-monospace, "SFMono-Regular", "Courier New", monospace;--font-size-xs: .75rem;--font-size-sm: .875rem;--font-size-base: 1rem;--font-size-md: 1.125rem;--font-size-lg: 1.375rem;--font-size-xl: 1.75rem;--font-size-2xl: 2.25rem;--font-size-hero: clamp(3.5rem, 12vw, 8rem);--focus-ring: 0 0 0 3px rgba(245, 212, 0, .45);line-height:1.5;font-weight:400;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}html,body{margin:0;padding:0;width:100%;height:100%;background:var(--surface-page)}body:after{content:"";position:fixed;inset:0;z-index:1;pointer-events:none;background-image:var(--noise)}#root{width:100%;position:relative;z-index:2}a{font-weight:500;color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}h1,h2,h3{color:var(--color-heading)}button{font-family:inherit;cursor:pointer;border:none;border-radius:var(--radius-pill);padding:var(--space-3) var(--space-6);font-size:var(--font-size-base);font-weight:600;transition:transform var(--transition-base) var(--ease-standard),box-shadow var(--transition-base) var(--ease-standard),filter var(--transition-base) var(--ease-standard),background var(--transition-base) var(--ease-standard);background:var(--surface-raised);color:var(--color-text);box-shadow:var(--shadow-sm)}button:hover:not(:disabled){transform:translateY(-2px);box-shadow:var(--shadow-md);filter:brightness(1.1)}button:active:not(:disabled){transform:translateY(0)}button:disabled{opacity:.5;cursor:not-allowed}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,[tabindex]:focus-visible{outline:3px solid rgba(245,212,0,.6);outline-offset:2px}input[type=file]{padding:var(--space-2)}.skip-link{position:absolute;top:-100px;left:var(--space-3);z-index:10001;padding:var(--space-3) var(--space-5);background:var(--accent);color:var(--on-accent);border-radius:var(--radius-pill);font-weight:600;transition:top var(--transition-fast) var(--ease-standard)}.skip-link:focus{top:var(--space-3)}.top-banner{position:fixed;left:0;right:0;z-index:99999;padding:var(--space-3) 40px var(--space-3) var(--space-4);font-family:"Inter",var(--font-sans);font-size:14px;text-align:center;display:flex;align-items:center;justify-content:center;gap:var(--space-2);line-height:1.4}.top-banner--danger{background:#dc2626;color:#fff}.top-banner--warning{background:var(--accent);color:var(--on-accent)}.top-banner-dismiss{position:absolute;right:12px;top:50%;transform:translateY(-50%);background:none;border:none;font-size:18px;cursor:pointer;padding:var(--space-1) var(--space-2);color:inherit;box-shadow:none}.top-banner-dismiss:hover:not(:disabled){transform:translateY(-50%);box-shadow:none;filter:none;opacity:.7}.navbar{background:var(--surface-page);border-bottom:1px solid var(--color-border-soft);height:var(--navbar-height);box-sizing:border-box;padding:0 20px;display:flex;align-items:center;position:sticky;top:0;z-index:1000}.navbar-container{max-width:1440px;width:100%;margin:0 auto;display:flex;justify-content:center;align-items:center}.navbar-logo{font-weight:800;font-size:1.35rem;color:var(--color-heading);text-decoration:none;letter-spacing:-.02em}.navbar-links{display:flex;gap:20px}.navbar-links a{text-decoration:underline;color:var(--color-text-muted);font-weight:500;transition:color .2s}.navbar-links a:hover,.navbar-links a.active{color:var(--accent)}.footer-layout{background:transparent;padding:60px 20px;margin-top:auto}.footer-content{max-width:1440px;margin:0 auto;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:20px}.footer-left p{color:var(--color-text-muted);font-size:.9rem;margin:0}.footer-right{display:flex;gap:20px}.footer-right a{color:var(--color-text-muted);text-decoration:underline;font-size:.9rem;transition:all .2s ease}.footer-right a:hover{color:var(--accent)}.footer-left a{color:inherit;text-decoration:underline}.footer-mockup-count{opacity:.8}.footer-commit-hash{color:var(--color-text-faint);font-size:7px;margin:8px 0 0;font-family:var(--font-mono);line-height:1;transform:scale(.5);transform-origin:left top}.footer-right a.kofi-link{color:var(--gold-text)}.footer-right a.kofi-link:hover{color:var(--accent)}#root{width:100%;min-height:100vh;display:flex;flex-direction:column}.main-content{flex:1;width:100%;position:relative;background:transparent}*{margin:0;padding:0;box-sizing:border-box}html{height:100%}html,body{margin:0;padding:0;overflow-x:hidden}body{font-family:var(--font-sans);margin:0;padding:0;min-height:100%;background:var(--surface-page);color:var(--color-text)}.app{width:100%;min-height:100vh;background:transparent;display:flex;flex-direction:column}.app-main{width:100%;margin:0 auto;padding:0;display:flex;flex-direction:column;flex:1}.overlay-input{padding:var(--space-2);border:1px solid var(--color-input-border);border-radius:var(--radius-sm);font-size:var(--font-size-base);background:var(--surface-inset);color:var(--color-text)}.error-message{margin-top:var(--space-5);padding:var(--space-4);background-color:#80808033;color:var(--color-text-muted);border:1px solid rgba(128,128,128,.3);border-radius:var(--radius-md);text-align:center}.app-footer{max-width:1000px;margin:auto auto 0;padding:var(--space-8) var(--space-5);text-align:center}.app-footer p{color:var(--color-text-faint);font-size:14px}.app-footer a{color:inherit;text-decoration:underline;font-weight:500}.about-section{max-width:1200px;margin:0 auto;padding:var(--space-8) var(--space-5);background:transparent}.about-content{width:100%}.about-main{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-7);align-items:start}@media(max-width:900px){.about-main{grid-template-columns:1fr}}.about-text{display:flex;flex-direction:column}.about-text>h1,.about-content>h1{font-size:var(--font-size-2xl);color:var(--color-heading);margin-bottom:var(--space-7);border-bottom:2px solid var(--color-border-soft);padding-bottom:var(--space-4);font-weight:800;letter-spacing:-.025em}.about-intro{font-size:var(--font-size-md);line-height:1.6;color:var(--color-text-muted);margin-bottom:var(--space-8)}.about-features h2,.about-use-cases h2{font-size:var(--font-size-xl);color:var(--color-heading);margin-bottom:var(--space-5);border-bottom:1px solid var(--color-border-soft);padding-bottom:var(--space-2);font-weight:700}.about-features ul{list-style:none;padding:0}.about-features li{padding:var(--space-3) 0 var(--space-3) 30px;position:relative;color:var(--color-text-muted)}.about-features li:before{content:"✓";position:absolute;left:0;color:var(--accent);font-weight:700}.use-case{background:var(--surface-card);padding:var(--space-7);border-radius:var(--radius-xl);border:1px solid var(--color-border-soft);transition:all var(--transition-base) ease;margin-bottom:var(--space-7)}.use-case h3{color:var(--color-heading);margin-bottom:var(--space-2);font-size:var(--font-size-md)}.use-case p{color:var(--color-text-muted)}.about-video{position:sticky;top:calc(var(--navbar-height) + var(--space-5))}.example-mock-video{width:100%;height:auto;max-width:min(100%,calc(100vw - 40px));max-height:calc(100vh - 120px);border-radius:var(--radius-xl);display:block}@media(prefers-reduced-motion:reduce){.example-mock-video{animation:none}}.content-page-container{padding:var(--space-8) var(--space-5);max-width:800px;margin:0 auto;color:var(--color-text)}.content-page-container a{color:inherit;text-decoration:underline}.content-page-container h1{font-size:var(--font-size-2xl);color:var(--color-heading);font-weight:800;letter-spacing:-.025em}.content-page-container h2{font-size:var(--font-size-xl);color:var(--color-heading);margin-top:var(--space-8);font-weight:700}.last-updated{color:var(--color-text-faint);margin-bottom:var(--space-5)}.content-page-container ul{padding-left:1.5em;margin:1em 0}.content-page-container li{margin-bottom:.5em;padding-left:.5em}.workspace{display:grid;grid-template-columns:minmax(360px,440px) 1fr;gap:var(--space-5);padding:var(--space-5);max-width:1440px;margin:0 auto;min-height:calc(100vh - var(--navbar-height));align-items:start;box-sizing:border-box}.workspace-panel{background-color:var(--surface-panel);background-image:var(--noise);border-radius:var(--radius-xl);border:1px solid var(--color-border-soft);box-shadow:var(--shadow-panel);padding:var(--space-5);max-height:calc(100vh - var(--navbar-height) - 2 * var(--space-5));overflow:hidden;position:sticky;top:calc(var(--navbar-height) + var(--space-5));display:flex;flex-direction:column;gap:var(--space-4);min-height:0;box-sizing:border-box}.workspace-preview{position:sticky;top:calc(var(--navbar-height) + var(--space-5));display:flex;align-items:flex-start;justify-content:center;min-width:0;min-height:calc(100vh - var(--navbar-height) - 2 * var(--space-5))}.panel-tabs{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--space-2);padding-bottom:var(--space-4);border-bottom:1px solid var(--color-border-soft);position:relative}.panel-tab-wrapper{display:flex}.panel-tab-wrapper>.panel-tab{width:100%}.panel-tab{position:relative;display:flex;flex-direction:column;align-items:center;gap:var(--space-2);padding:var(--space-4) var(--space-2);border:none;border-radius:var(--radius-lg);background:transparent;color:var(--color-text);font-size:13px;font-weight:600;box-shadow:none}.panel-tab:hover:not(:disabled):not(.active){background:var(--surface-card);transform:none;box-shadow:none;filter:none}.panel-tab.active{background-color:var(--surface-raised);background-image:var(--noise);box-shadow:var(--shadow-raised);color:var(--accent)}.panel-tab:disabled{opacity:.4;cursor:not-allowed}.panel-tab-icon{display:flex;align-items:center;justify-content:center}.panel-tab-icon svg{width:24px;height:24px}.panel-status-row{display:flex;align-items:center;gap:var(--space-3);flex-wrap:wrap}.panel-status{align-self:flex-start;padding:var(--space-1) var(--space-4);border:1px solid var(--gold-border);border-radius:var(--radius-pill);color:var(--gold-text);font-size:var(--font-size-sm);font-weight:600;letter-spacing:.03em}.panel-status-row .aspect-ratio-badge{padding:var(--space-1) var(--space-4);font-size:var(--font-size-sm)}.panel-body{display:flex;flex-direction:column;gap:var(--space-4);flex:1 1 auto;min-height:0;overflow-y:auto;padding-bottom:var(--space-5);scrollbar-width:thin;scrollbar-color:rgba(255,255,255,.16) transparent}.panel-view{animation:viewFade .15s var(--ease-standard)}.panel-view h2{font-size:var(--font-size-lg);margin:0 0 var(--space-4) 0}@keyframes viewFade{0%{opacity:0;transform:translateY(4px)}to{opacity:1;transform:translateY(0)}}@media(prefers-reduced-motion:reduce){.panel-view{animation:none}}.preview-pane{display:flex;flex-direction:column;gap:var(--space-2);width:100%;align-items:center}.preview-header{display:flex;justify-content:center;align-items:center}.preview-header h3{margin:0;font-size:14px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--color-text-faint)}.preview-container{position:relative;background:var(--surface-inset);border:1px solid var(--color-border-soft);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-panel);max-height:min(75vh,calc(100vh - var(--navbar-height) - 3 * var(--space-5)));max-width:100%;width:fit-content;margin:0 auto}.preview-canvas{display:block;width:100%;height:100%;object-fit:contain}.preview-loading{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:#00000059}.preview-spinner{width:36px;height:36px;border-radius:50%;border:3px solid rgba(255,255,255,.25);border-top-color:var(--accent);animation:spin .8s linear infinite}@media(prefers-reduced-motion:reduce){.preview-spinner{animation-duration:1.6s}}@keyframes spin{to{transform:rotate(360deg)}}.preview-error{position:absolute;bottom:var(--space-3);left:var(--space-3);right:var(--space-3);padding:var(--space-3) var(--space-4);background:var(--color-error-bg);color:var(--color-error-text);border:1px solid var(--color-error-border);border-radius:var(--radius-sm);font-size:var(--font-size-sm);text-align:center}.preview-empty{display:flex;flex-direction:column;align-items:center;gap:var(--space-5);padding:var(--space-6) 0}.preview-empty-frame{position:relative;height:min(68vh,calc(100vh - var(--navbar-height) - 210px));width:auto;aspect-ratio:9 / 19.5;border-radius:var(--radius-xl);background-color:var(--surface-inset);background-image:var(--noise);border:1px solid var(--color-border);box-shadow:var(--shadow-panel),inset 0 0 0 6px #ffffff08;display:flex;justify-content:center}.preview-empty-notch{margin-top:14px;width:38%;height:16px;border-radius:var(--radius-pill);background:#ffffff0d}.preview-empty-hint{color:var(--color-text-faint);font-size:var(--font-size-sm);margin:0}@media(max-width:900px){.workspace{display:flex;flex-direction:column;padding:var(--space-3);gap:var(--space-3)}.workspace-preview{order:-1;position:sticky;top:var(--navbar-height);z-index:10;background:var(--surface-page);padding:var(--space-2) 0;width:100%;min-height:0}.workspace-preview .preview-container{max-height:42vh}.preview-empty-frame{height:34vh}.preview-empty{padding:var(--space-2) 0}.workspace-panel{position:static;max-height:none;overflow:visible}.panel-body{overflow:visible}}.file-uploader{border:2px dashed var(--gold-border);border-radius:var(--radius-xl);padding:60px var(--space-8);text-align:center;cursor:pointer;transition:all var(--transition-base) var(--ease-standard);background-color:var(--surface-inset);background-image:var(--noise);box-shadow:inset 0 2px 8px #0000004d}.file-uploader.active{border-color:var(--accent);border-style:solid;background-color:var(--accent-soft)}.file-uploader:hover,.file-uploader:focus-visible{border-color:var(--accent);background-color:var(--accent-soft);box-shadow:0 0 0 1px #f5d40033,0 4px 12px #f5d4001a}.file-uploader:focus-visible{outline:3px solid rgba(245,212,0,.6);outline-offset:3px}.uploader-content h2{margin:0 0 var(--space-2) 0;color:var(--color-heading);font-size:var(--font-size-md);font-weight:700}.uploader-content p{margin:var(--space-1) 0;color:var(--color-text-muted)}.uploader-content hr{margin:var(--space-4) auto;width:60%;border:none;border-top:1px solid var(--color-border-soft)}.file-count{margin-top:var(--space-5);font-weight:700;color:var(--gold-text)}.upload-errors{margin-top:var(--space-4);display:flex;flex-direction:column;gap:var(--space-2)}.upload-error{display:flex;align-items:center;gap:var(--space-2);padding:var(--space-3) var(--space-4);background-color:var(--color-warning-bg);border:1px solid var(--color-warning-border);border-radius:var(--radius-sm);color:var(--color-warning-text);font-size:var(--font-size-sm)}.upload-error .error-icon{flex-shrink:0}.media-preview{margin-top:var(--space-5)}.media-hints{display:flex;justify-content:space-between;align-items:center;margin-top:15px;flex-wrap:wrap;gap:var(--space-2)}.hint-text,.duration-hint{font-size:.85rem;color:var(--color-text-faint);font-style:italic;text-align:left}.duration-hint{text-align:right}.media-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:var(--space-4);position:relative}.media-card{position:relative;border:1px solid var(--color-border-soft);border-radius:var(--radius-lg);overflow:hidden;background-color:var(--surface-card);background-image:var(--noise);box-shadow:inset 0 1px #ffffff0a,0 6px 16px #00000040;cursor:grab;touch-action:none;transition:box-shadow var(--transition-base) var(--ease-standard),border-color var(--transition-base) var(--ease-standard)}.media-card:active{cursor:grabbing}.media-card.dragging{opacity:.5;border-style:dashed;border-color:var(--accent);z-index:1000;cursor:grabbing;box-shadow:var(--shadow-raised)}.media-card:hover:not(.dragging){box-shadow:var(--shadow-md);border-color:var(--gold-border)}.media-card:focus-visible{outline:3px solid rgba(245,212,0,.6);outline-offset:2px}.media-thumbnail{width:100%;aspect-ratio:1080 / 1350;overflow:hidden;background:var(--surface-inset);pointer-events:none;-webkit-user-select:none;user-select:none}.media-thumbnail img,.media-thumbnail video{width:100%;height:100%;object-fit:cover;pointer-events:none;-webkit-user-select:none;user-select:none;-webkit-user-drag:none}.media-info{padding:var(--space-3);font-size:11px;background:#00000026;text-align:center;display:flex;flex-direction:column;pointer-events:none;-webkit-user-select:none;user-select:none}.media-info-bottom{display:flex;justify-content:space-between;align-items:center;margin-top:4px;width:100%;pointer-events:auto}.media-info p{margin:2px 0;color:var(--color-text-muted)}.media-number{font-weight:600;font-size:12px;color:var(--accent)}.media-filename{font-size:10px;color:var(--color-text-faint);word-wrap:break-word;word-break:break-word;margin:4px 0;line-height:1.3;font-family:var(--font-mono)}.media-type,.media-duration{color:var(--color-text-muted)}.remove-btn{position:absolute;top:var(--space-2);right:var(--space-2);width:32px;height:32px;padding:0;border:none;background:var(--color-danger);color:#fff;border-radius:50%;cursor:pointer;font-size:16px;font-weight:700;display:flex;align-items:center;justify-content:center;transition:background var(--transition-fast) ease,transform var(--transition-fast) ease;pointer-events:auto;z-index:10;box-shadow:var(--shadow-sm)}.remove-btn:hover{background:var(--color-danger-hover);transform:scale(1.08)}.remove-btn:focus-visible{outline:3px solid white;outline-offset:2px}.media-duration.editable{cursor:pointer;pointer-events:auto;padding:var(--space-1) var(--space-2);margin:-4px -6px;border-radius:var(--radius-pill);border:1px solid transparent;transition:background var(--transition-fast) ease,border-color var(--transition-fast) ease;display:inline-block;min-height:24px}.media-duration.editable:hover,.media-duration.editable:focus-visible{background:var(--accent-soft);border-color:var(--gold-border)}.media-duration.editable:focus-visible{outline:2px solid rgba(245,212,0,.6);outline-offset:1px}.duration-input{width:45px;background:transparent;border:none;border-bottom:1px solid var(--accent);color:inherit;font-size:inherit;font-family:inherit;text-align:center;padding:2px 0;outline:none;pointer-events:auto}.duration-input::-webkit-inner-spin-button,.duration-input::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}.media-undo-toast{margin-top:var(--space-4);display:flex;align-items:center;justify-content:space-between;gap:var(--space-4);padding:var(--space-3) var(--space-4);background:var(--surface-overlay);border:1px solid var(--color-border);border-radius:var(--radius-pill);font-size:var(--font-size-sm);color:var(--color-text);animation:slideIn .2s ease}.media-undo-btn{padding:var(--space-1) 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