:root{--bg:#0f1220;--card:#1a1e33;--card2:#232842;--text:#e8eaf2;--muted:#9aa0be;--accent:#6c5ce7;--accent2:#8a7bff;--ok:#2ecc71;--err:#ff6b6b;--border:#2c3252}*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:radial-gradient(1200px 600px at 50% -10%,#1b2140,var(--bg));color:var(--text);min-height:100vh}.app{max-width:760px;margin:0 auto;padding:26px 20px 80px}header h1{margin:0 0 4px;font-size:26px}.sub{margin:0 0 24px;color:var(--muted)}.shell{display:flex;flex-direction:column;min-height:100vh}.topbar{position:-webkit-sticky;position:sticky;top:0;z-index:50;gap:14px;height:56px;padding:0 18px;background:rgba(20,24,45,.92);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-bottom:1px solid var(--border)}.logo,.topbar{display:flex;align-items:center}.logo{gap:8px;font-weight:800;font-size:17px;letter-spacing:.2px}.logo-mark{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:8px;font-size:12px;color:#fff;background:linear-gradient(135deg,var(--accent),var(--accent2))}.topbar-right{margin-left:auto;display:flex;align-items:center;gap:10px}.hamburger{display:none;background:none;border:none;font-size:20px;padding:4px}.avatar,.hamburger{color:var(--text);cursor:pointer}.avatar{width:34px;height:34px;border-radius:50%;border:2px solid var(--accent2);background:var(--card2);font-weight:800;font-size:14px;display:flex;align-items:center;justify-content:center}.profile-wrap{position:relative}.profile-menu{position:absolute;right:0;top:44px;width:240px;z-index:60;background:var(--card);border:1px solid var(--border);border-radius:12px;padding:12px 14px;box-shadow:0 16px 48px rgba(0,0,0,.5)}.pm-name{margin:0;font-weight:700;font-size:14px}.pm-email{margin:2px 0 0;font-size:12px;color:var(--muted);overflow:hidden;text-overflow:ellipsis}.pm-divider{height:1px;background:var(--border);margin:10px -14px}.pm-row{margin:0 0 8px;font-size:13px;color:var(--muted)}.pm-row strong{color:var(--accent2)}.pm-upgrade{display:block;text-align:center}.pm-out{width:100%}.shell-body{display:flex;flex:1 1;min-height:0}.sidebar{width:232px;flex-shrink:0;padding:18px 12px;border-right:1px solid var(--border);background:rgba(20,24,45,.5)}.side-label{margin:0 0 8px;padding:0 10px;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:1px;color:var(--muted)}.nav-item{display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:9px;font-size:14px;font-weight:600;color:var(--muted);cursor:default;margin-bottom:2px}.nav-item.current{background:rgba(108,92,231,.18);color:var(--text)}.nav-item.disabled{opacity:.55;font-weight:500}.nav-icon{font-size:15px}.side-backdrop{display:none}.shell-main{flex:1 1;min-width:0}@media (max-width:820px){.hamburger{display:block}.sidebar{position:fixed;top:56px;bottom:0;left:0;z-index:55;transform:translateX(-100%);transition:transform .2s;background:var(--card)}.sidebar.open{transform:translateX(0)}.side-backdrop{display:block;position:fixed;inset:56px 0 0 0;z-index:54;background:rgba(0,0,0,.45)}}.badge{font-size:11px;font-weight:700;padding:3px 9px;border-radius:999px;background:var(--card2);border:1px solid var(--border);color:var(--accent2)}.badge.pro{color:#fff;border:none}.badge.pro,.mini.upgrade{background:linear-gradient(90deg,var(--accent),var(--accent2))}.mini.upgrade{text-decoration:none;white-space:nowrap}.mini.ghost{background:var(--card2);border:1px solid var(--border);color:var(--muted)}.mini.ghost:hover{color:var(--text);border-color:var(--accent)}.paywall{margin-top:16px;padding:14px 16px;border-radius:12px;background:rgba(108,92,231,.12);border:1px solid var(--accent)}.paywall p{margin:0 0 10px;font-size:14px;color:var(--text)}.paywall .btn{margin-top:0;display:block;text-align:center;text-decoration:none}.card{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:22px;margin-bottom:18px;box-shadow:0 20px 60px rgba(0,0,0,.35)}.card h3{margin:0 0 14px;font-size:17px;display:flex;gap:10px}.card h3,.step{align-items:center}.step{display:inline-flex;justify-content:center;width:26px;height:26px;background:var(--accent);color:#fff;border-radius:50%;font-size:14px}.dropzone{border:2px dashed var(--border);border-radius:14px;padding:34px 20px;text-align:center;cursor:pointer;transition:border-color .2s,background .2s}.dropzone.drag{border-color:var(--accent2);background:rgba(138,123,255,.08)}.dz-icon{font-size:40px}.dz-inner p{margin:8px 0;color:var(--muted)}.file-name{color:var(--accent2)!important;font-weight:600}.link{background:none;border:none;color:var(--accent2);cursor:pointer;font:inherit;text-decoration:underline;padding:0}.method-toggle{display:flex;gap:8px;margin-top:14px}.method-opt{flex:1 1;display:flex;align-items:center;gap:8px;padding:10px 14px;background:var(--card2);border:1px solid var(--border);border-radius:10px;font-size:13px;color:var(--muted);cursor:pointer;transition:border-color .15s,color .15s}.method-opt input{accent-color:var(--accent);width:15px;height:15px;margin:0}.method-opt.active{border-color:var(--accent);color:var(--text)}.btn{margin-top:16px;width:100%;padding:13px;border:none;border-radius:12px;background:linear-gradient(90deg,var(--accent),var(--accent2));color:#fff;font-size:15px;font-weight:700;cursor:pointer}.btn:disabled{opacity:.45;cursor:not-allowed}.btn.download{display:block;text-align:center;text-decoration:none;margin-top:14px;background:var(--ok)}.btn-secondary{margin-top:10px;width:100%;padding:11px;border:1px solid var(--border);border-radius:12px;background:var(--card2);color:var(--muted);font-size:13px;font-weight:600;cursor:pointer}.btn-secondary:hover{border-color:var(--accent);color:var(--text)}.status{margin:12px 0 0;color:var(--muted);font-size:14px;min-height:18px}.status.err{color:var(--err)}.hint{color:var(--muted);font-size:13px;margin:0 0 14px}.prompt-box{background:var(--card2);border:1px solid var(--border);border-radius:10px;margin-bottom:18px;overflow:hidden}.prompt-head,.ta-head{display:flex;align-items:center;justify-content:space-between;padding:8px 12px;font-size:13px;color:var(--muted)}.prompt-box pre{margin:0;padding:0 12px 12px;white-space:pre-wrap;font-size:12px;color:#cfd3e6;font-family:ui-monospace,Menlo,Consolas,monospace}.mini{background:var(--accent);border:none;color:#fff;border-radius:7px;padding:5px 12px;cursor:pointer;font-size:12px;font-weight:600}.mini.copied{background:var(--ok)}textarea{width:100%;background:var(--card2);border:1px solid var(--border);border-radius:10px;color:var(--text);padding:12px;font:13px/1.5 ui-monospace,Menlo,Consolas,monospace;resize:vertical}.spin{display:inline-block;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(1turn)}}.controls{display:grid;grid-template-columns:1fr 1fr;grid-gap:12px 16px;gap:12px 16px;margin-bottom:8px}.controls label{display:grid;grid-gap:5px;gap:5px;font-size:12px;color:var(--muted)}.controls label output{color:var(--accent2);font-weight:600}.controls input[type=range],.controls select{width:100%}.controls select{background:var(--card2);border:1px solid var(--border);color:var(--text);padding:8px 10px;border-radius:8px;font:inherit;font-size:13px}.controls input[type=range]{accent-color:var(--accent)}.controls label.color{display:flex;align-items:center;justify-content:space-between;gap:10px}.controls label.color input[type=color]{width:46px;height:30px;border:1px solid var(--border);border-radius:6px;background:var(--card2);cursor:pointer;padding:2px}.controls label.chk{flex-direction:row;align-items:center;gap:8px}.controls label.chk input{accent-color:var(--accent);width:16px;height:16px}.preview-wrap{position:relative;width:-moz-fit-content;width:fit-content;max-width:100%;margin:6px auto 16px;border-radius:12px;overflow:hidden;background:#000}.preview-wrap video{display:block;max-height:60vh;max-width:100%}.cap-overlay{position:absolute;inset:0;pointer-events:none}.cap-line{position:absolute;left:6%;right:6%;text-align:center;font-family:Arial,sans-serif;font-weight:800;line-height:1.12}.cap-line .w{display:inline-block}.cap-line .box{padding:0 .12em;border-radius:.14em}.preview-video{width:100%;max-height:70vh;margin-top:16px;border-radius:12px;background:#000;border:1px solid var(--border)}.progress-bar{width:100%;height:6px;border-radius:3px;background:var(--card2);margin-top:8px;overflow:hidden}.progress-bar .fill{height:100%;background:linear-gradient(90deg,var(--accent),var(--accent2));transition:width .3s}.progress-bar .fill.indeterminate{width:40%;animation:slide 1.2s ease-in-out infinite}@keyframes slide{0%{margin-left:-40%}to{margin-left:100%}}@media (max-width:520px){.controls{grid-template-columns:1fr}}.tl{margin-top:14px}.tl-bar{display:flex;align-items:center;gap:6px;margin-bottom:6px}.tl-btn{background:var(--card2);border:1px solid var(--border);color:var(--text);padding:5px 12px;border-radius:7px;font-size:12px;font-weight:600;cursor:pointer}.tl-btn:hover{border-color:var(--accent)}.tl-btn:disabled{opacity:.4;cursor:not-allowed}.tl-btn-del{color:var(--err)}.tl-spacer{flex:1 1}.tl-zoom-lbl{font-size:11px;color:var(--muted)}.tl-scroll{overflow-x:auto;overflow-y:hidden;border:1px solid var(--border);border-radius:10px;background:#12152a}.tl-scroll::-webkit-scrollbar{height:8px}.tl-scroll::-webkit-scrollbar-track{background:transparent}.tl-scroll::-webkit-scrollbar-thumb{background:var(--border);border-radius:4px}.tl-scroll::-webkit-scrollbar-thumb:hover{background:var(--muted)}.tl-track{position:relative;min-height:76px;-webkit-user-select:none;-moz-user-select:none;user-select:none;cursor:crosshair}.tl-ruler{position:relative;height:22px;border-bottom:1px solid var(--border)}.tl-tick{position:absolute;top:0;height:100%;border-left:1px solid var(--border)}.tl-tick span{position:absolute;top:3px;left:4px;font-size:10px;color:var(--muted);white-space:nowrap;pointer-events:none}.tl-tick.minor{border-left-color:rgba(44,50,82,.5)}.tl-lane{position:relative;height:46px;margin:4px 0}.tl-blk{position:absolute;top:2px;height:42px;border-radius:6px;background:rgba(108,92,231,.4);border:1px solid rgba(108,92,231,.55);cursor:-webkit-grab;cursor:grab;display:flex;align-items:center;overflow:hidden;transition:background .12s,border-color .12s}.tl-blk:hover{background:rgba(108,92,231,.6)}.tl-blk.sel{background:rgba(138,123,255,.65);border-color:var(--accent2);box-shadow:0 0 0 1px var(--accent2)}.tl-blk:active{cursor:-webkit-grabbing;cursor:grabbing}.tl-blk-txt{flex:1 1;min-width:0;padding:0 10px;font-size:11px;color:#fff;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;pointer-events:none}.tl-edge{position:absolute;top:0;width:7px;height:100%;cursor:col-resize;z-index:1}.tl-edge-l{left:0;border-radius:6px 0 0 6px}.tl-edge-r{right:0;border-radius:0 6px 6px 0}.tl-edge:hover{background:hsla(0,0%,100%,.15)}.tl-head{position:absolute;top:0;bottom:0;width:2px;left:0;background:#f44;pointer-events:none;z-index:2}.tl-head:before{content:"";position:absolute;top:0;left:-4px;border-left:5px solid transparent;border-right:5px solid transparent;border-top:7px solid #f44}.tl-edit{display:flex;align-items:center;gap:8px;margin-top:6px;padding:7px 10px;background:var(--card2);border:1px solid var(--border);border-radius:8px}.tl-edit-num{font-size:12px;color:var(--accent2);font-weight:700;white-space:nowrap}.tl-edit-in{flex:1 1;background:transparent;border:1px solid var(--border);color:var(--text);padding:5px 8px;border-radius:6px;font-size:13px;outline:none;font-family:inherit}.tl-edit-in:focus{border-color:var(--accent)}.tl-edit-t{font-size:11px;color:var(--muted);white-space:nowrap;font-family:ui-monospace,Menlo,Consolas,monospace}