:root{--bg:#0f0f12;--panel:#191920;--panel-2:#22222c;--border:#2e2e3a;--text:#ececf1;--muted:#9a9aa8;--accent:#e1306c;--accent-2:#833ab4;--ok:#2ecc71;--err:#ff5c5c;--warn:#f5b742}*{box-sizing:border-box}html,body{background:var(--bg);color:var(--text);margin:0;padding:0;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif}main{max-width:1080px;margin:0 auto;padding:32px 20px 64px}h1{background:linear-gradient(90deg, var(--accent), var(--accent-2));color:#0000;-webkit-background-clip:text;background-clip:text;margin:0 0 4px;font-size:26px}.subtitle{color:var(--muted);margin:0 0 24px;font-size:14px}.card{background:var(--panel);border:1px solid var(--border);border-radius:12px;margin-bottom:20px;padding:20px}.tabs{flex-wrap:wrap;gap:8px;margin-bottom:16px;display:flex}.tab{border:1px solid var(--border);background:var(--panel);color:var(--muted);cursor:pointer;border-radius:999px;padding:8px 16px;font-size:14px}.tab.active{background:linear-gradient(90deg, var(--accent), var(--accent-2));color:#fff;border-color:#0000}.tab:disabled{opacity:.55;cursor:not-allowed}.soon-pill{color:var(--warn);letter-spacing:.5px;vertical-align:middle;background:#f5b74226;border-radius:999px;margin-left:6px;padding:1px 7px;font-size:10px;font-weight:700;display:inline-block}.coming-soon{border:1px dashed var(--border);background:var(--panel-2);color:var(--muted);border-radius:10px;padding:16px 18px;font-size:13px}.coming-soon strong{color:var(--text);margin-bottom:4px;display:block}.coming-soon p{margin:0}label{color:var(--muted);margin-bottom:6px;font-size:13px;display:block}input[type=text],input[type=url]{border:1px solid var(--border);background:var(--panel-2);width:100%;color:var(--text);border-radius:8px;outline:none;padding:12px 14px;font-size:14px}input:focus{border-color:var(--accent)}button.primary{background:linear-gradient(90deg, var(--accent), var(--accent-2));color:#fff;cursor:pointer;border:none;border-radius:8px;margin-top:12px;padding:12px 22px;font-size:14px;font-weight:600}button.primary:disabled{opacity:.55;cursor:not-allowed}.hint{color:var(--muted);margin-top:8px;font-size:12px}.progress-wrap{border:1px solid var(--border);background:var(--panel-2);border-radius:999px;height:12px;overflow:hidden}.progress-bar{background:linear-gradient(90deg, var(--accent), var(--accent-2));border-radius:999px;height:100%;transition:width .4s}.progress-meta{color:var(--muted);justify-content:space-between;margin:10px 0 4px;font-size:12px;display:flex}.status-line{margin-top:10px;font-size:13px}.pill{border-radius:999px;padding:2px 10px;font-size:12px;font-weight:600;display:inline-block}.pill.running{color:var(--warn);background:#f5b74226}.pill.completed{color:var(--ok);background:#2ecc7126}.pill.failed{color:var(--err);background:#ff5c5c26}.error-box{color:var(--err);white-space:pre-wrap;background:#ff5c5c1a;border:1px solid #ff5c5c59;border-radius:8px;margin-top:12px;padding:10px 14px;font-size:13px}.preview-tabs{border-bottom:1px solid var(--border);gap:2px;margin-bottom:10px;display:flex}.preview-tab{color:var(--muted);cursor:pointer;background:0 0;border:none;border-bottom:2px solid #0000;padding:8px 14px;font-size:13px}.preview-tab.active{color:var(--text);border-bottom-color:var(--accent)}textarea{background:var(--panel-2);border:1px solid var(--border);width:100%;min-height:380px;color:var(--text);resize:vertical;border-radius:8px;outline:none;padding:14px;font-family:SFMono-Regular,Consolas,Liberation Mono,Menlo,monospace;font-size:13px;line-height:1.6}.export-row{flex-wrap:wrap;gap:10px;margin-top:12px;display:flex}.export-btn{border:1px solid var(--border);background:var(--panel-2);color:var(--text);cursor:pointer;border-radius:8px;padding:8px 16px;font-size:13px;font-weight:600}.export-btn:hover{border-color:var(--accent)}.export-btn.zip{background:linear-gradient(90deg, var(--accent), var(--accent-2));border-color:#0000}.segment-item{border-bottom:1px solid var(--border);color:var(--muted);gap:12px;padding:8px 0;font-size:13px;display:flex}.segment-item .ts{color:var(--accent);white-space:nowrap;font-family:Consolas,monospace}.video-select{margin-bottom:12px}.video-select select{border:1px solid var(--border);background:var(--panel-2);width:100%;color:var(--text);border-radius:8px;padding:10px 12px;font-size:13px}.as-segments{max-height:460px;overflow-y:auto}.muted{color:var(--muted)}.spin{vertical-align:-1px;border:2px solid #ffffff4d;border-top-color:#fff;border-radius:50%;width:12px;height:12px;animation:.7s linear infinite spin;display:inline-block}@keyframes spin{to{transform:rotate(360deg)}}@media (max-width:640px){main{padding:20px 14px 48px}h1{font-size:22px}.subtitle{margin-bottom:18px;font-size:13px}.card{border-radius:10px;margin-bottom:16px;padding:16px}.tab{text-align:center;flex:100%;padding:12px 16px}button.primary{width:100%;padding:14px}.progress-meta{flex-direction:column;gap:2px}.status-line{margin-bottom:6px}.preview-tabs{-webkit-overflow-scrolling:touch;scrollbar-width:none;overflow-x:auto}.preview-tabs::-webkit-scrollbar{display:none}.preview-tab{white-space:nowrap;flex:auto}textarea{min-height:300px;padding:12px;font-size:12px}.export-row{gap:8px}.export-btn{text-align:center;white-space:nowrap;flex:calc(50% - 8px)}.segment-item{flex-wrap:wrap;gap:6px}.video-select select{white-space:normal;padding:10px 12px}}