:root{--bg: #20242b;--panel: #2a2f38;--panel-2: #323845;--line: #3c4350;--text: #e6e9ef;--muted: #99a0ad;--accent: #4fd1ff;--accent-2: #ffc857;--danger: #ff6b6b;--ok: #51d88a;--radius: 10px;--tap: 44px}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body{margin:0;height:100%;overflow:hidden;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--text);background:var(--bg);user-select:none;-webkit-user-select:none}#app{position:fixed;inset:0}#viewport{position:absolute;inset:0;width:100%;height:100%;display:block;touch-action:none}button,input{font-family:inherit}.topbar{position:absolute;top:env(safe-area-inset-top,8px);left:50%;transform:translate(-50%);display:flex;gap:6px;align-items:center;background:#2a2f38eb;backdrop-filter:blur(8px);border:1px solid var(--line);border-radius:12px;padding:6px;z-index:30;max-width:calc(100vw - 16px);overflow-x:auto;scrollbar-width:none}.topbar::-webkit-scrollbar{display:none}.seg{display:flex;background:var(--bg);border-radius:8px;padding:2px;gap:2px}.btn{min-height:var(--tap);min-width:var(--tap);padding:0 12px;border:1px solid var(--line);background:var(--panel-2);color:var(--text);border-radius:8px;font-size:14px;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:6px;white-space:nowrap;transition:background .12s,border-color .12s}.btn:active{transform:scale(.96)}.btn.icon{padding:0;font-size:18px}.seg .btn{border:none;background:transparent;min-width:40px;min-height:38px;padding:0 10px}.seg .btn.active{background:var(--accent);color:#082230;font-weight:600}.btn.active{background:var(--accent);color:#082230;border-color:var(--accent);font-weight:600}.btn.danger{border-color:var(--danger);color:var(--danger)}.btn.primary{background:var(--accent);color:#082230;border-color:var(--accent);font-weight:600}.btn:disabled{opacity:.4;cursor:not-allowed}.sidebar{position:absolute;top:0;right:0;width:320px;height:100%;padding:64px 10px 90px;overflow-y:auto;overscroll-behavior:contain;display:flex;flex-direction:column;gap:10px;z-index:20;scrollbar-width:thin}.panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}.panel-head{display:flex;align-items:center;justify-content:space-between;padding:10px 12px;cursor:pointer;font-weight:600;font-size:13px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted)}.panel-head .chev{transition:transform .15s}.panel.collapsed .panel-head .chev{transform:rotate(-90deg)}.panel-body{padding:10px 12px 12px;display:flex;flex-direction:column;gap:8px}.panel.collapsed .panel-body{display:none}.grid-btns{display:grid;grid-template-columns:repeat(2,1fr);gap:6px}.row{display:flex;gap:6px;flex-wrap:wrap}.row.split>*{flex:1}.slider{display:flex;flex-direction:column;gap:4px;font-size:13px}.slider-label{display:flex;justify-content:space-between;color:var(--muted)}.slider-val{color:var(--text);font-variant-numeric:tabular-nums}input[type=range]{width:100%;height:var(--tap);accent-color:var(--accent)}input[type=text],input[type=number],select{width:100%;min-height:40px;padding:6px 10px;background:var(--bg);border:1px solid var(--line);color:var(--text);border-radius:8px;font-size:14px}label.field{display:flex;flex-direction:column;gap:4px;font-size:13px;color:var(--muted)}.list{display:flex;flex-direction:column;gap:4px;max-height:220px;overflow-y:auto;overscroll-behavior:contain}.list-item{display:flex;align-items:center;gap:8px;padding:8px 10px;border-radius:8px;background:var(--panel-2);cursor:pointer;min-height:var(--tap)}.list-item.active{outline:2px solid var(--accent)}.list-item .name{flex:1;font-size:14px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.list-item .tag{font-size:11px;color:var(--muted)}.swatches{display:flex;flex-wrap:wrap;gap:6px}.swatch{width:var(--tap);height:var(--tap);border-radius:8px;border:2px solid transparent;cursor:pointer;position:relative}.swatch.active{border-color:var(--text);box-shadow:0 0 0 2px var(--accent)}.playbar{position:absolute;left:50%;bottom:calc(env(safe-area-inset-bottom,8px) + 8px);transform:translate(-50%);display:flex;align-items:center;gap:10px;background:#2a2f38eb;backdrop-filter:blur(8px);border:1px solid var(--line);border-radius:12px;padding:8px 12px;z-index:30;width:min(520px,calc(100vw - 360px))}.playbar .scrub{flex:1;height:36px}.playbar .time{font-variant-numeric:tabular-nums;font-size:13px;color:var(--muted);min-width:64px;text-align:right}.tabbar{display:none}.hint{font-size:12px;color:var(--muted);line-height:1.4}.behavior-card{background:var(--panel-2);border:1px solid var(--line);border-radius:8px;padding:8px 10px;display:flex;flex-direction:column;gap:6px}.behavior-card .bh{display:flex;align-items:center;justify-content:space-between;gap:6px}.behavior-card .bh .title{font-weight:600;text-transform:capitalize}@media(max-width:760px){.sidebar{top:auto;bottom:0;width:100%;height:auto;max-height:58vh;padding:12px 12px calc(var(--tap) + 24px);background:var(--panel);border-top:1px solid var(--line);border-radius:16px 16px 0 0;transform:translateY(100%);transition:transform .22s ease;box-shadow:0 -8px 24px #0006;z-index:35}.sidebar.open{transform:translateY(0)}.panel[data-panel]{display:none}.panel[data-panel].active{display:block}.playbar{width:calc(100vw - 16px);bottom:calc(var(--tap) + 16px)}.tabbar{display:flex;position:absolute;bottom:0;left:0;right:0;z-index:40;background:#20242bf5;backdrop-filter:blur(8px);border-top:1px solid var(--line);padding:4px env(safe-area-inset-left,0px) env(safe-area-inset-bottom,0px) 4px;overflow-x:auto;scrollbar-width:none}.tabbar::-webkit-scrollbar{display:none}.tabbar .btn{flex:1;border:none;background:transparent;font-size:12px;flex-direction:column;gap:2px;min-width:56px}.tabbar .btn.active{color:var(--accent);background:transparent;font-weight:700}}