:root{color-scheme:dark;font-family:Segoe UI,system-ui,-apple-system,sans-serif;line-height:1.45;--bg: #0f0d0b;--panel: #1a1612;--panel-border: #4a3d32;--text: #f8f0e6;--muted: #c4b5a5;--accent: #f0c14a;--accent-soft: rgba(240, 193, 74, .15);--sim: #ffb347;--ok: #7bc96f;--panel-width: 340px}*{box-sizing:border-box}html,body,#root{margin:0;min-height:100%;background:var(--bg);color:var(--text)}.app-shell{display:grid;grid-template-columns:minmax(0,1fr) var(--panel-width);grid-template-rows:auto minmax(0,1fr);min-height:100vh;gap:0;transition:grid-template-columns .2s ease}.app-shell.panel-collapsed{grid-template-columns:1fr}.app-header{grid-column:1 / -1;display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.65rem 1rem;border-bottom:1px solid var(--panel-border);background:linear-gradient(180deg,#2a221c,#1a1512);box-shadow:0 4px 20px #00000059}.brand h1{margin:0;font-size:1.2rem;letter-spacing:.06em;font-weight:700;color:var(--accent);text-shadow:0 1px 0 #3d2f24}.brand p{margin:.12rem 0 0;color:var(--muted);font-size:.82rem}.header-actions{display:flex;align-items:center;gap:.6rem}.panel-toggle{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:1px solid var(--panel-border);background:var(--accent-soft);color:var(--text);border-radius:8px;padding:.4rem .65rem;font-size:.78rem;cursor:pointer;font-weight:600}.panel-toggle:hover{border-color:var(--accent)}.sim-badge{display:inline-flex;align-items:center;gap:.35rem;padding:.35rem .65rem;border-radius:999px;background:#ffb3471f;border:1px solid rgba(255,179,71,.45);color:#ffd9a8;font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.06em}.canvas-wrap{position:relative;min-height:60vh;background:radial-gradient(ellipse at 45% 30%,#2d241c,#0f0d0b 70%)}.canvas-mount{width:100%;height:calc(100vh - 52px);min-height:480px}.side-panel{border-left:1px solid var(--panel-border);background:linear-gradient(180deg,#221c17,#16120f);overflow:auto;max-height:calc(100vh - 52px);box-shadow:-8px 0 24px #00000040}.side-panel[hidden]{display:none}.panel-section{padding:.85rem 1rem;border-bottom:1px solid rgba(255,255,255,.05)}.panel-section h2{margin:0 0 .5rem;font-size:.95rem;color:var(--accent);font-weight:700;letter-spacing:.03em}.panel-section h3{margin:.75rem 0 .35rem;font-size:.78rem;color:var(--muted);text-transform:uppercase;letter-spacing:.06em}.hint{margin:0;color:var(--muted);font-size:.78rem}.kv{display:grid;grid-template-columns:1fr auto;gap:.25rem .75rem;font-size:.85rem}.kv dt{color:var(--muted)}.kv dd{margin:0;text-align:right;font-weight:600}.btn-grid{display:grid;grid-template-columns:1fr 1fr;gap:.45rem}button.action{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:1px solid #4a3d32;background:linear-gradient(180deg,#2f2822,#252019);color:var(--text);border-radius:10px;padding:.48rem .55rem;font-size:.76rem;cursor:pointer;transition:border-color .15s,transform .1s;box-shadow:0 2px #00000040}button.action:hover,button.action:focus-visible{border-color:var(--accent);outline:none}button.action:active{transform:translateY(1px)}button.action.primary{border-color:#f0c14a8c;background:linear-gradient(180deg,#f0c14a38,#f0c14a14)}.list-compact{margin:0;padding-left:1.1rem;font-size:.82rem;color:var(--muted)}.empty{color:var(--muted);font-size:.85rem}@media(max-width:960px){.app-shell{grid-template-columns:1fr;grid-template-rows:auto auto auto}.side-panel{border-left:none;border-top:1px solid var(--panel-border);max-height:none;box-shadow:none}.canvas-mount{height:52vh;min-height:320px}}