:root{--background:#09090b;--background-2:#0b0b0e;--card:#101013;--card-elevated:#16161a;--popover:#141418;--foreground:#fafafa;--muted:#18181b;--muted-foreground:#a1a1aa;--subtle-foreground:#71717a;--border:#ffffff17;--border-strong:#ffffff29;--input:#313135;--ring:#8b5cf68c;--accent:#8b5cf6;--accent-2:#d946ef;--accent-soft:#8b5cf624;--accent-gradient:linear-gradient(135deg, #8b5cf6 0%, #d946ef 100%);--primary:#fafafa;--primary-foreground:#18181b;--success:#34d399;--danger:#fb7185;--warning:#fbbf24;--radius:16px;--radius-md:12px;--radius-sm:9px;--shadow-sm:0 1px 2px #0006;--shadow-md:0 8px 30px #00000073;--shadow-lg:0 24px 60px -12px #000000b3;--shadow-glow:0 10px 40px -8px #8b5cf673;--font-sans:"Manrope", system-ui, -apple-system, sans-serif;--font-mono:"DM Mono", ui-monospace, "SF Mono", Menlo, monospace;--ease:cubic-bezier(.22, 1, .36, 1)}*{box-sizing:border-box;margin:0;padding:0}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}body{font-family:var(--font-sans);background:var(--background);color:var(--foreground);font-feature-settings:"cv11", "ss01";-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;min-height:100vh;line-height:1.55;overflow-x:hidden}body:before{content:"";pointer-events:none;z-index:0;background:radial-gradient(1100px 620px at 80% -10%,#8b5cf629,#0000 60%),radial-gradient(900px 520px at 10% 0,#d946ef1a,#0000 55%);position:fixed;inset:0}a{color:inherit;text-decoration:none}button{cursor:pointer;font-family:inherit}::selection{color:#fff;background:#8b5cf659}:focus-visible{outline:2px solid var(--ring);outline-offset:2px;border-radius:4px}.app{z-index:1;flex-direction:column;min-height:100vh;display:flex;position:relative}.container{width:100%;max-width:940px;margin:0 auto;padding:0 20px}.site-header{z-index:40;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border-bottom:1px solid var(--border);background:#09090bb8;position:sticky;top:0}.site-header .container{justify-content:space-between;align-items:center;height:60px;display:flex}.brand{letter-spacing:-.02em;align-items:center;gap:10px;font-size:1.15rem;font-weight:800;display:flex}.brand-mark{background:var(--accent-gradient);width:28px;height:28px;box-shadow:var(--shadow-glow);border-radius:8px;flex-shrink:0;place-items:center;display:grid}.brand-mark svg{color:#fff;width:16px;height:16px}.brand em{background:var(--accent-gradient);color:#0000;-webkit-background-clip:text;background-clip:text;font-style:normal}.header-meta{color:var(--muted-foreground);font-size:.8rem;font-family:var(--font-mono);align-items:center;gap:8px;display:flex}.status-dot{background:var(--success);border-radius:50%;width:7px;height:7px;box-shadow:0 0 0 3px #34d3992e}.hero{text-align:center;flex-direction:column;align-items:center;padding:72px 0 30px;display:flex}.hero .kicker{font-family:var(--font-mono);letter-spacing:.22em;text-transform:uppercase;color:var(--accent);border:1px solid var(--border);background:var(--accent-soft);border-radius:999px;margin-bottom:20px;padding:6px 12px;font-size:.72rem}.hero h1{letter-spacing:-.035em;max-width:16ch;font-size:clamp(2.4rem,6vw,3.9rem);font-weight:800;line-height:1.02}.hero h1 em{background:var(--accent-gradient);color:#0000;-webkit-background-clip:text;background-clip:text;font-style:normal}.hero p{color:var(--muted-foreground);max-width:48ch;margin-top:22px;font-size:1.1rem}main{flex:1;padding-bottom:80px}.workspace{margin-top:26px}.card{background:linear-gradient(180deg, var(--card-elevated), var(--card));border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-md)}.card-pad{padding:22px}@media (width>=640px){.card-pad{padding:26px}}.card-header{justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:18px;display:flex}.card-title{letter-spacing:-.01em;font-size:1.02rem;font-weight:700}.card-desc{color:var(--muted-foreground);margin-top:3px;font-size:.86rem}.btn{border-radius:var(--radius-md);letter-spacing:-.01em;white-space:nowrap;height:42px;transition:transform .12s var(--ease), background .18s, border-color .18s, opacity .18s, box-shadow .18s;-webkit-user-select:none;user-select:none;border:1px solid #0000;justify-content:center;align-items:center;gap:8px;padding:0 18px;font-size:.9rem;font-weight:600;display:inline-flex}.btn:active:not(:disabled){transform:translateY(1px)scale(.99)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn svg{width:17px;height:17px}.btn-primary{background:var(--accent-gradient);color:#fff;box-shadow:var(--shadow-glow)}.btn-primary:hover:not(:disabled){filter:brightness(1.08);box-shadow:0 14px 46px -8px #8b5cf699}.btn-light{background:var(--primary);color:var(--primary-foreground)}.btn-light:hover:not(:disabled){background:#e4e4e7}.btn-secondary{background:var(--muted);color:var(--foreground);border-color:var(--border)}.btn-secondary:hover:not(:disabled){border-color:var(--border-strong);background:#202024}.btn-ghost{color:var(--muted-foreground);background:0 0}.btn-ghost:hover:not(:disabled){background:var(--muted);color:var(--foreground)}.btn-outline{border-color:var(--border-strong);color:var(--foreground);background:0 0}.btn-outline:hover:not(:disabled){background:var(--muted)}.btn-sm{border-radius:var(--radius-sm);height:34px;padding:0 12px;font-size:.82rem}.btn-lg{height:48px;padding:0 24px;font-size:.96rem}.btn-icon{width:42px;padding:0}.btn-icon.btn-sm{width:34px}.btn-block{width:100%}.split{display:inline-flex;position:relative}.split .btn:first-child{border-top-right-radius:0;border-bottom-right-radius:0}.split-caret{border-left:1px solid #ffffff38!important;border-top-left-radius:0!important;border-bottom-left-radius:0!important;padding:0 9px!important}.input{background:var(--muted);border:1px solid var(--border);border-radius:var(--radius-md);width:100%;height:46px;color:var(--foreground);padding:0 15px;font-size:.95rem;transition:border-color .18s,box-shadow .18s,background .18s}.input::placeholder{color:var(--subtle-foreground)}.input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft);background:var(--background-2);outline:none}.field-label{color:var(--muted-foreground);letter-spacing:.01em;margin-bottom:7px;font-size:.78rem;font-weight:600;display:block}.url-row{gap:10px;display:flex}.url-row .input-wrap{flex:1;position:relative}.url-row .input-wrap svg{width:18px;height:18px;color:var(--subtle-foreground);pointer-events:none;position:absolute;top:50%;left:14px;transform:translateY(-50%)}.url-row .input{padding-left:42px}@media (width<=560px){.url-row{flex-direction:column}}.tabs{background:var(--muted);border:1px solid var(--border);border-radius:var(--radius-md);gap:3px;margin-bottom:18px;padding:4px;display:inline-flex}.tab{height:36px;color:var(--muted-foreground);border-radius:var(--radius-sm);background:0 0;border:none;align-items:center;gap:7px;padding:0 16px;font-size:.88rem;font-weight:600;transition:color .18s,background .18s;display:inline-flex}.tab svg{width:16px;height:16px}.tab:hover{color:var(--foreground)}.tab[data-active=true]{background:var(--card-elevated);color:var(--foreground);box-shadow:var(--shadow-sm)}.tab[data-active=true] svg{color:var(--accent)}.badge{height:22px;font-size:.72rem;font-weight:600;font-family:var(--font-mono);border:1px solid var(--border);color:var(--muted-foreground);background:var(--muted);border-radius:999px;align-items:center;gap:5px;padding:0 9px;display:inline-flex}.badge-accent{color:#e9d5ff;background:var(--accent-soft);border-color:#8b5cf64d}.badge-success{color:var(--success);background:#34d3991f;border-color:#34d39940}.badge-danger{color:var(--danger);background:#fb71851f;border-color:#fb718540}.badge-dot{background:currentColor;border-radius:50%;width:6px;height:6px}.menu{background:var(--popover);border:1px solid var(--border-strong);border-radius:var(--radius-md);min-width:180px;box-shadow:var(--shadow-lg);z-index:50;animation:menu-in .14s var(--ease);padding:6px;position:absolute;top:calc(100% + 8px);right:0}@keyframes menu-in{0%{opacity:0;transform:translateY(-6px)scale(.98)}}.menu-label{text-transform:uppercase;letter-spacing:.08em;color:var(--subtle-foreground);padding:6px 10px 4px;font-size:.7rem;font-weight:600}.menu-item{width:100%;color:var(--foreground);border-radius:var(--radius-sm);text-align:left;background:0 0;border:none;justify-content:space-between;align-items:center;gap:10px;padding:8px 10px;font-size:.86rem;font-weight:500;transition:background .14s;display:flex}.menu-item:hover{background:var(--muted)}.menu-item .meta{font-family:var(--font-mono);color:var(--subtle-foreground);font-size:.74rem}.menu-item[data-active=true]{color:var(--accent)}.progress{background:var(--muted);border-radius:999px;width:100%;height:6px;overflow:hidden}.progress-bar{background:var(--accent-gradient);height:100%;transition:width .25s var(--ease);background-size:200% 100%;border-radius:999px;animation:1.4s linear infinite shimmer}@keyframes shimmer{to{background-position:-200% 0}}.spinner{border:2px solid #ffffff4d;border-top-color:#fff;border-radius:50%;width:16px;height:16px;animation:.7s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.preview{gap:18px;display:grid}.preview-media{aspect-ratio:16/9;border-radius:var(--radius-md);border:1px solid var(--border);background:#000;position:relative;overflow:hidden}.preview-media iframe,.preview-media img,.preview-media video{object-fit:cover;border:0;width:100%;height:100%;position:absolute;inset:0}.preview-info{align-items:flex-start;gap:14px;display:flex}.preview-info .meta-title{letter-spacing:-.01em;font-size:1rem;font-weight:700;line-height:1.35}.preview-info .meta-sub{color:var(--muted-foreground);flex-wrap:wrap;align-items:center;gap:8px;margin-top:4px;font-size:.85rem;display:flex}.timeline{gap:16px;display:grid}.timeline-head{justify-content:space-between;align-items:center;gap:12px;display:flex}.range{align-items:center;height:46px;display:flex;position:relative}.range-track{background:var(--muted);border:1px solid var(--border);border-radius:999px;height:8px;position:absolute;left:0;right:0}.range-fill{background:var(--accent-gradient);border-radius:999px;height:8px;position:absolute;box-shadow:0 0 16px #8b5cf680}.range input[type=range]{pointer-events:none;appearance:none;background:0 0;width:100%;margin:0;position:absolute;left:0}.range input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;pointer-events:auto;border:3px solid var(--accent);width:20px;height:20px;box-shadow:var(--shadow-md);cursor:grab;background:#fff;border-radius:50%;transition:transform .1s}.range input[type=range]::-webkit-slider-thumb:active{cursor:grabbing;transform:scale(1.15)}.range input[type=range]::-moz-range-thumb{pointer-events:auto;border:3px solid var(--accent);width:20px;height:20px;box-shadow:var(--shadow-md);cursor:grab;background:#fff;border-radius:50%}.time-grid{grid-template-columns:1fr 1fr auto;align-items:end;gap:12px;display:grid}@media (width<=560px){.time-grid{grid-template-columns:1fr 1fr}}.time-input{background:var(--muted);border:1px solid var(--border);border-radius:var(--radius-sm);width:100%;height:44px;color:var(--foreground);font-family:var(--font-mono);letter-spacing:.02em;text-align:center;padding:0 12px;font-size:1rem}.time-input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft);outline:none}.duration-pill{border-radius:var(--radius-sm);background:var(--accent-soft);color:#e9d5ff;height:44px;font-family:var(--font-mono);white-space:nowrap;border:1px solid #8b5cf64d;align-items:center;gap:6px;padding:0 16px;font-size:.9rem;font-weight:500;display:inline-flex}.action-row{flex-wrap:wrap;align-items:center;gap:12px;display:flex}.action-row .spacer{flex:1}.clips{gap:12px;display:grid}.clips-empty{text-align:center;color:var(--subtle-foreground);padding:20px;font-size:.88rem}.clip{background:var(--card);border:1px solid var(--border);border-radius:var(--radius-md);grid-template-columns:auto 1fr auto;align-items:center;gap:14px;padding:14px;transition:border-color .18s,background .18s;display:grid}.clip:hover{border-color:var(--border-strong)}.clip-index{border-radius:var(--radius-sm);background:var(--muted);border:1px solid var(--border);width:34px;height:34px;font-family:var(--font-mono);color:var(--muted-foreground);flex-shrink:0;place-items:center;font-size:.85rem;display:grid}.clip-body{min-width:0}.clip-range{font-family:var(--font-mono);flex-wrap:wrap;align-items:center;gap:8px;font-size:.92rem;font-weight:500;display:flex}.clip-range .arrow{color:var(--accent)}.clip-sub{color:var(--muted-foreground);flex-wrap:wrap;align-items:center;gap:8px;margin-top:5px;font-size:.78rem;display:flex}.clip-actions{flex-shrink:0;align-items:center;gap:8px;display:flex}.clip-progress{grid-column:1/-1;gap:6px;display:grid}.clip-progress .row{color:var(--muted-foreground);font-size:.76rem;font-family:var(--font-mono);justify-content:space-between;display:flex}@media (width<=560px){.clip{grid-template-columns:auto 1fr}.clip-actions{grid-column:1/-1;justify-content:flex-end}}.empty{text-align:center;border:1px dashed var(--border-strong);border-radius:var(--radius-md);background:#ffffff04;flex-direction:column;align-items:center;padding:48px 24px;display:flex}.empty-icon{background:var(--accent-soft);border:1px solid #8b5cf640;border-radius:16px;place-items:center;width:56px;height:56px;margin-bottom:16px;display:grid}.empty-icon svg{width:26px;height:26px;color:var(--accent)}.empty h3{font-size:1.05rem;font-weight:700}.empty p{color:var(--muted-foreground);max-width:42ch;margin-top:6px;font-size:.9rem}.option-grid{grid-template-columns:1fr 1fr;gap:12px;margin-bottom:20px;display:grid}@media (width<=560px){.option-grid{grid-template-columns:1fr}}.option-card{text-align:left;border-radius:var(--radius-md);border:1px solid var(--border);background:var(--card);padding:16px;transition:border-color .18s,background .18s}.option-card:hover{border-color:var(--border-strong)}.option-card[data-active=true]{border-color:var(--accent);background:var(--accent-soft)}.option-card .oc-head{align-items:center;gap:10px;font-size:.95rem;font-weight:700;display:flex}.option-card .oc-radio{border:2px solid var(--input);border-radius:50%;flex-shrink:0;place-items:center;width:18px;height:18px;display:grid}.option-card[data-active=true] .oc-radio{border-color:var(--accent)}.option-card[data-active=true] .oc-radio:after{content:"";background:var(--accent);border-radius:50%;width:9px;height:9px}.option-card p{color:var(--muted-foreground);margin-top:6px;font-size:.82rem}.how{text-align:center;margin-top:72px}.how h2{letter-spacing:-.03em;font-size:clamp(1.7rem,4vw,2.4rem);font-weight:800}.how h2 em{background:var(--accent-gradient);color:#0000;-webkit-background-clip:text;background-clip:text;font-style:normal}.steps{text-align:left;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:34px;display:grid}@media (width<=720px){.steps{grid-template-columns:1fr}}.step{border:1px solid var(--border);border-radius:var(--radius);background:var(--card);padding:22px}.step .num{font-family:var(--font-mono);color:var(--accent);font-size:.8rem;font-weight:600}.step h3{margin-top:12px;font-size:1.05rem;font-weight:700}.step p{color:var(--muted-foreground);margin-top:8px;font-size:.88rem}.site-footer{border-top:1px solid var(--border);padding:26px 0}.site-footer .container{color:var(--subtle-foreground);font-size:.8rem;font-family:var(--font-mono);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;display:flex}.toaster{z-index:100;flex-direction:column;gap:10px;width:min(420px,100vw - 32px);display:flex;position:fixed;bottom:22px;left:50%;transform:translate(-50%)}.toast{background:var(--popover);border:1px solid var(--border-strong);border-radius:var(--radius-md);box-shadow:var(--shadow-lg);animation:toast-in .24s var(--ease);align-items:flex-start;gap:12px;padding:13px 15px;display:flex}@keyframes toast-in{0%{opacity:0;transform:translateY(14px)}}.toast .t-icon{flex-shrink:0;width:20px;height:20px;margin-top:1px}.toast.info .t-icon{color:var(--accent)}.toast.success .t-icon{color:var(--success)}.toast.error .t-icon{color:var(--danger)}.toast .t-body{font-size:.86rem;line-height:1.4}.toast .t-title{font-weight:700}.toast .t-msg{color:var(--muted-foreground);margin-top:1px}.mono{font-family:var(--font-mono)}.muted{color:var(--muted-foreground)}.stack{gap:18px;display:grid}.divider{background:var(--border);height:1px;margin:4px 0}.sr-only{clip:rect(0, 0, 0, 0);border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}