:root{--bg: #06080c;--panel: #0d1117;--panel-2: #121822;--border: #1c2430;--border-2: #2a3442;--text: #c9d4e3;--muted: #6b7688;--faint: #444f5f;--accent: #5ef2c4;--accent-dim: #2a8b73;--accent-2: #7aa2ff;--danger: #ff7a93;--mono: ui-monospace, "SF Mono", "JetBrains Mono", "Fira Code", Menlo, monospace;--sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;--radius: 7px}*{box-sizing:border-box}html,body{margin:0;height:100%;background:var(--bg);color:var(--text);font-family:var(--sans);font-size:14px;-webkit-font-smoothing:antialiased;overflow:hidden}#app{height:100vh}.viv-root{display:grid;grid-template-columns:232px 1fr 312px;grid-template-rows:54px 1fr;grid-template-areas:"header header header" "gallery stage panel";height:100vh}.viv-header{grid-area:header;display:flex;align-items:center;justify-content:space-between;padding:0 18px;border-bottom:1px solid 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40px;display:flex;flex-direction:column;gap:18px}.viv-panel-head{display:flex;flex-direction:column;gap:6px}.viv-panel-title{margin:0;font-size:15px;font-weight:600}.viv-panel-desc{margin:0;font-size:12px;line-height:1.55;color:var(--muted)}.viv-section{display:flex;flex-direction:column;gap:10px}.viv-section-label{font-family:var(--mono);font-size:10px;letter-spacing:1.5px;text-transform:uppercase;color:var(--faint);border-bottom:1px solid var(--border);padding-bottom:6px}.viv-transport{display:grid;grid-template-columns:1fr 1fr;gap:7px}.viv-field{display:flex;flex-direction:column;gap:5px}.viv-field-label{font-size:12px;color:var(--muted)}.viv-field-control{display:flex;align-items:center;gap:8px}.viv-field-control input[type=range]{flex:1}.viv-row{display:flex;align-items:center;gap:8px;width:100%}.viv-params{display:flex;flex-direction:column;gap:12px}.viv-readout{font-family:var(--mono);font-size:12px;color:var(--accent);min-width:46px;text-align:right}.viv-check-hint{font-size:11px;color:var(--faint)}.viv-field-wrap{display:flex;flex-direction:column;gap:4px}.viv-field-help{margin:0;font-size:11px;line-height:1.45;color:var(--faint)}.viv-btn{font-family:var(--sans);font-size:13px;padding:8px 10px;border:1px solid var(--border-2);border-radius:var(--radius);background:var(--panel-2);color:var(--text);cursor:pointer;transition:background .12s,border-color .12s,color .12s}.viv-btn:hover{background:#1a222e;border-color:#38465a}.viv-btn:active{transform:translateY(1px)}.viv-btn-primary{background:var(--accent);color:#06120d;border-color:var(--accent);font-weight:600}.viv-btn-primary:hover{background:#74f6cd;border-color:#74f6cd}.viv-btn-icon{flex:0 0 auto;width:38px;padding:8px 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var(--border-2);background:var(--panel-2);cursor:pointer;display:grid;place-items:center;padding:0}.viv-swatch.is-active{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent)}.viv-swatch-dot{width:16px;height:16px;border-radius:4px;background:var(--swatch, var(--accent));border:1px solid rgba(255,255,255,.12)}.viv-share{display:flex;flex-direction:column;gap:8px}.viv-share-row{display:grid;grid-template-columns:1fr 1fr;gap:7px}.viv-share-row .viv-btn{width:100%}.viv-share-note{margin:0;font-size:11px;line-height:1.45;color:var(--faint)}.viv-help-overlay{position:fixed;inset:0;z-index:50;display:none;align-items:center;justify-content:center;background:#04060ab8;backdrop-filter:blur(2px)}.viv-help-overlay.is-open{display:flex}.viv-help-card{width:min(420px,calc(100vw - 40px));max-height:calc(100vh - 80px);overflow-y:auto;background:var(--panel);border:1px solid var(--border-2);border-radius:10px;box-shadow:0 24px 60px 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