:root{--bg-base: #0b0b0f;--bg-surface: #121218;--bg-elevated: #17171f;--bg-panel: #14141b;--bg-hover: #1e1e28;--bg-active: #262633;--border-subtle: #23232e;--border-default: #2e2e3b;--border-strong: #3c3c4d;--text-primary: #f4f2f8;--text-secondary: #b7b4c4;--text-tertiary: #7f7c90;--text-muted: #565365;--accent-a: #ffb020;--accent-b: #ff5d8f;--accent-c: #c057ff;--accent-grad: linear-gradient(90deg, var(--accent-a), var(--accent-b) 55%, var(--accent-c));--accent-primary: #ff5d8f;--status-good: #3ddc84;--status-warn: #ffb020;--status-bad: #ff5c72;--status-info: #6aa9ff;--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Inter", Roboto, Helvetica, Arial, sans-serif;--font-mono: "SF Mono", "Fira Code", "Cascadia Code", "Consolas", monospace;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px;--radius-pill: 999px;--transition-fast: .14s ease;--shadow-soft: 0 8px 30px rgba(0, 0, 0, .45);--shadow-pop: 0 18px 60px rgba(0, 0, 0, .6)}[hidden]{display:none!important}*{box-sizing:border-box}html,body{margin:0;padding:0}body{background:radial-gradient(1200px 700px at 50% -10%,#17121f 0%,var(--bg-base) 60%);color:var(--text-primary);font-family:var(--font-sans);font-size:15px;line-height:1.5;-webkit-font-smoothing:antialiased;min-height:100vh}#app{min-height:100vh;display:flex;flex-direction:column}.main-content{flex:1 0 auto;width:100%;max-width:1120px;margin:0 auto;padding:0 20px}.site-footer{flex-shrink:0}a{color:var(--accent-b);text-decoration:none}a:hover{text-decoration:underline}h1,h2,h3,h4{margin:0 0 .5em;line-height:1.2}.topbar{display:flex;align-items:center;justify-content:space-between;max-width:1120px;margin:0 auto;padding:16px 20px;width:100%}.brand{display:flex;align-items:center;gap:9px;font-weight:700;font-size:1.05rem;letter-spacing:-.01em}.nav{display:flex;align-items:center;gap:4px}.nav-btn{background:none;border:0;color:var(--text-secondary);cursor:pointer;font:inherit;padding:7px 11px;border-radius:var(--radius-sm);font-size:.9rem}.nav-btn:hover{background:var(--bg-hover);color:var(--text-primary)}.icon-btn{background:none;border:0;color:var(--text-secondary);cursor:pointer;padding:7px;border-radius:var(--radius-sm);display:inline-flex;align-items:center}.icon-btn:hover{background:var(--bg-hover);color:var(--text-primary)}.stage{padding:8px 0 40px}.stage-idle{text-align:center}.hero{max-width:680px;margin:24px auto 26px}.hero h1{font-size:clamp(1.7rem,4.4vw,2.7rem);letter-spacing:-.02em;background:linear-gradient(180deg,#fff,#cfc9dd);-webkit-background-clip:text;background-clip:text;color:transparent}.hero .sub{color:var(--text-secondary);font-size:1.05rem;max-width:560px;margin:0 auto}.trust-badge{margin-top:16px;display:inline-flex;align-items:center;gap:8px;background:#3ddc8414;border:1px solid rgba(61,220,132,.25);color:#a9e8c6;padding:7px 14px;border-radius:var(--radius-pill);font-size:.82rem;cursor:pointer;font-family:inherit}.trust-badge:hover{background:#3ddc8424}.trust-badge svg{color:var(--status-good)}.dropzone{max-width:640px;margin:0 auto;border:2px dashed var(--border-strong);border-radius:var(--radius-lg);padding:46px 28px;background:var(--bg-panel);cursor:pointer;transition:border-color var(--transition-fast),background var(--transition-fast),transform var(--transition-fast)}.dropzone:hover,.dropzone:focus-visible{border-color:var(--accent-b);background:var(--bg-elevated);outline:none}.dropzone.drag{border-color:var(--accent-c);background:#1b1622;transform:scale(1.01)}.dz-icon{color:var(--accent-b);margin-bottom:12px}.dz-title{font-size:1.2rem;font-weight:650}.dz-sub{color:var(--text-tertiary);font-size:.9rem;margin-top:4px}.dz-actions{margin-top:20px;display:flex;gap:10px;justify-content:center;flex-wrap:wrap}.privacy-note{color:var(--text-tertiary);font-size:.85rem;margin-top:20px}.btn{font:inherit;font-size:.92rem;font-weight:600;cursor:pointer;border-radius:var(--radius-md);padding:10px 18px;border:1px solid var(--border-default);background:var(--bg-elevated);color:var(--text-primary);transition:background var(--transition-fast),border-color var(--transition-fast),transform var(--transition-fast)}.btn:hover{background:var(--bg-hover)}.btn:active{transform:translateY(1px)}.btn.primary{border:0;background:var(--accent-grad);color:#1a0d13}.btn.primary:hover{filter:brightness(1.06)}.btn.ghost{background:transparent}.btn.render{width:100%;padding:13px;font-size:1rem;margin-top:6px}.btn.round{width:46px;height:46px;padding:0;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto}.pill{font:inherit;font-size:.88rem;font-weight:600;cursor:pointer;color:var(--text-primary);background:#c057ff1f;border:1px solid rgba(192,87,255,.35);border-radius:var(--radius-pill);padding:9px 16px}.pill:hover{background:#c057ff33}.link-btn{background:none;border:0;color:var(--text-secondary);cursor:pointer;font:inherit;font-size:.85rem;padding:4px 6px;border-radius:var(--radius-sm)}.link-btn:hover{color:var(--text-primary);background:var(--bg-hover)}.editor-grid{display:grid;grid-template-columns:1fr 340px;gap:26px;align-items:start;margin-top:10px}.preview-wrap{display:flex;flex-direction:column;align-items:center;gap:14px}.canvas-holder{width:100%;max-width:420px;background:#000;border-radius:var(--radius-md);overflow:hidden;box-shadow:var(--shadow-pop);border:1px solid var(--border-subtle)}.canvas-holder[data-aspect=portrait]{aspect-ratio:9 / 16;max-width:300px}.canvas-holder[data-aspect=square]{aspect-ratio:1 / 1;max-width:420px}.canvas-holder[data-aspect=landscape]{aspect-ratio:16 / 9;max-width:560px}.canvas-holder canvas{width:100%;height:100%;display:block}.transport{display:flex;align-items:center;gap:12px;width:100%;max-width:560px}.scrub{flex:1}.time-label{font-variant-numeric:tabular-nums;color:var(--text-secondary);font-size:.85rem;min-width:84px;text-align:right}.file-row{display:flex;align-items:center;gap:10px;font-size:.85rem;color:var(--text-tertiary)}.file-chip{max-width:260px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}input[type=range]{-webkit-appearance:none;appearance:none;height:6px;border-radius:3px;background:var(--bg-active);outline:none}input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:16px;height:16px;border-radius:50%;background:var(--accent-b);cursor:pointer;box-shadow:0 0 0 3px #ff5d8f33}input[type=range]::-moz-range-thumb{width:16px;height:16px;border:0;border-radius:50%;background:var(--accent-b);cursor:pointer}.rail{background:var(--bg-panel);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);padding:18px;display:flex;flex-direction:column;gap:16px}.field{display:flex;flex-direction:column;gap:8px}.field.row{flex-direction:row;align-items:center}.field-label{font-size:.8rem;font-weight:650;color:var(--text-secondary);letter-spacing:.01em}.field-label .muted,.muted{color:var(--text-muted);font-weight:400}.seg{display:flex;background:var(--bg-base);border:1px solid var(--border-subtle);border-radius:var(--radius-md);padding:3px;gap:3px}.seg-btn{flex:1;font:inherit;font-size:.82rem;font-weight:600;cursor:pointer;border:0;background:transparent;color:var(--text-tertiary);padding:8px 6px;border-radius:7px;transition:background var(--transition-fast),color var(--transition-fast)}.seg-btn:hover{color:var(--text-primary)}.seg-btn.active{background:var(--bg-active);color:var(--text-primary)}.swatches{display:grid;grid-template-columns:repeat(5,1fr);gap:8px}.swatch{display:flex;flex-direction:column;align-items:center;gap:5px;background:none;border:0;cursor:pointer;padding:4px 0;border-radius:var(--radius-sm)}.swatch-chip{width:100%;height:26px;border-radius:7px;border:2px solid transparent;box-shadow:inset 0 0 0 1px #ffffff14}.swatch.active .swatch-chip{border-color:#fff}.swatch-name{font-size:.68rem;color:var(--text-tertiary)}.swatch.active .swatch-name{color:var(--text-primary)}.caption-input{font:inherit;font-size:.9rem;resize:vertical;background:var(--bg-base);border:1px solid var(--border-default);border-radius:var(--radius-md);color:var(--text-primary);padding:10px 12px}.caption-input:focus{outline:none;border-color:var(--accent-b)}.slider{width:100%}.switch{display:inline-flex;align-items:center;gap:9px;cursor:pointer;font-size:.88rem;color:var(--text-secondary)}.switch input{width:18px;height:18px;accent-color:var(--accent-b)}.bg-row{display:flex;gap:8px}.stage-result{text-align:center;max-width:640px;margin:0 auto}.stage-result h2{font-size:1.6rem;margin-top:16px}.result-video-wrap{margin:8px auto 14px;border-radius:var(--radius-md);overflow:hidden;box-shadow:var(--shadow-pop);background:#000;display:inline-block;max-width:100%}.result-video-wrap video{display:block;max-width:100%;max-height:62vh}.result-meta{color:var(--text-tertiary);font-size:.86rem;margin-bottom:16px;font-variant-numeric:tabular-nums}.result-actions{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}.site-footer{border-top:1px solid var(--border-subtle);margin-top:20px}.footer-inner{max-width:1120px;margin:0 auto;padding:18px 20px;text-align:center;color:var(--text-tertiary);font-size:.84rem}.drawer{position:fixed;top:0;right:0;height:100vh;width:380px;max-width:90vw;background:var(--bg-surface);border-left:1px solid var(--border-default);box-shadow:var(--shadow-pop);z-index:60;display:flex;flex-direction:column}.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;border-bottom:1px solid var(--border-subtle)}.drawer-title{font-weight:650;font-size:.92rem}.drawer-title .count{color:var(--text-tertiary);font-weight:400}.drawer-list{flex:1;overflow-y:auto;padding:8px 12px;font-family:var(--font-mono);font-size:.76rem}.event{display:flex;gap:8px;padding:3px 0;border-bottom:1px solid rgba(255,255,255,.03)}.ev-time{color:var(--text-muted);flex:0 0 auto}.ev-msg{color:var(--text-secondary);word-break:break-word}.event.lvl-ok .ev-msg{color:#a9e8c6}.event.lvl-warn .ev-msg{color:#ffd591}.event.lvl-err .ev-msg{color:#ff9ba6}.drawer-actions{display:flex;gap:8px;padding:10px 14px;border-top:1px solid var(--border-subtle)}.render-overlay{position:fixed;inset:0;z-index:80;background:#06060ac7;backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;padding:20px}.render-card{background:var(--bg-elevated);border:1px solid var(--border-default);border-radius:var(--radius-lg);padding:30px 34px;text-align:center;max-width:380px;width:100%;box-shadow:var(--shadow-pop)}.render-spinner{width:40px;height:40px;margin:0 auto 16px;border-radius:50%;border:3px solid var(--bg-active);border-top-color:var(--accent-b);animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.render-stage{font-weight:650;margin-bottom:12px}.render-track{height:8px;background:var(--bg-active);border-radius:4px;overflow:hidden}.render-bar{height:100%;width:0;background:var(--accent-grad);transition:width .16s ease}.render-note{color:var(--text-tertiary);font-size:.82rem;margin:10px 0 18px;font-variant-numeric:tabular-nums;min-height:1em}.modal-host{position:fixed;inset:0;z-index:90;display:flex;align-items:center;justify-content:center;padding:20px}.modal-backdrop{position:absolute;inset:0;background:#06060ab3;backdrop-filter:blur(3px)}.modal{position:relative;background:var(--bg-elevated);border:1px solid var(--border-default);border-radius:var(--radius-lg);max-width:560px;width:100%;max-height:85vh;overflow:hidden;display:flex;flex-direction:column;box-shadow:var(--shadow-pop)}.modal-head{display:flex;align-items:center;justify-content:space-between;padding:18px 22px;border-bottom:1px solid var(--border-subtle)}.modal-head h3{margin:0;font-size:1.15rem}.modal-body{padding:20px 22px;overflow-y:auto;color:var(--text-secondary)}.modal-body p{margin:0 0 12px}.modal-lede{color:var(--text-primary);font-size:1.02rem}.modal-body h4{color:var(--text-primary);margin:18px 0 8px;font-size:.95rem}.modal-body h4.ok{color:var(--status-good)}.modal-body h4.warn{color:var(--status-warn)}.modal-body ul,.modal-body ol{margin:0 0 12px;padding-left:20px}.modal-body li{margin-bottom:7px}.steps li{margin-bottom:12px}.glossary-link{color:var(--accent-b);border-bottom:1px dotted currentColor;cursor:help}.tooltip{position:fixed;z-index:100;max-width:280px;background:#05050a;border:1px solid var(--border-strong);color:var(--text-secondary);font-size:.82rem;line-height:1.45;padding:10px 12px;border-radius:var(--radius-md);box-shadow:var(--shadow-pop)}@media(max-width:860px){.editor-grid{grid-template-columns:1fr}.rail{order:2}.preview-wrap{order:1}.canvas-holder[data-aspect=portrait]{max-width:240px}}@media(max-width:560px){.main-content{padding:0 14px}.nav-btn{padding:7px 8px;font-size:.82rem}.hero h1{font-size:1.7rem}.dropzone{padding:34px 18px}.swatch-name{display:none}}