:root {
  --bg: #06090d; --panel: #0b131b; --line: #1d3442; --text: #d8e6ee; --muted: #7d95a2;
  --accent: #35d0c4; --ok: #5fd68a; --warn: #f2c14e; --bad: #ff6b6b; --btn: #13232e;
}
:root { --bg: #06090d; --panel: #0b131b; --line: #1d3442; --text: #d8e6ee; --muted: #7d95a2; --btn: #13232e; }
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; background: var(--bg); color: var(--text); font: 14px/1.4 system-ui, sans-serif; }
body { overflow: hidden; }
button, select, input { font: inherit; color: inherit; }
button { background: var(--btn); border: 1px solid var(--line); border-radius: 6px; padding: 5px 9px; cursor: pointer; }
button[aria-pressed="true"] { border-color: var(--accent); background: #1b3a45; }
button:disabled { opacity: 0.4; cursor: default; }
button.primary { background: #1d5a58; border-color: var(--accent); }
button.danger { border-color: #7a3a3a; }
button.ghost { background: transparent; }
select, input[type="text"], input[type="search"], input[type="password"] { background: var(--panel); border: 1px solid var(--line); border-radius: 6px; padding: 4px 6px; }
.muted { color: var(--muted); }
.error { color: var(--bad); min-height: 1.2em; }
.linkbtn { background: none; border: none; padding: 2px 0; text-align: left; color: var(--text); text-decoration: underline dotted; }

.top { display: flex; align-items: center; gap: 12px; padding: 6px 12px; border-bottom: 1px solid var(--line); background: var(--panel); height: 48px; }
.brand { font-weight: 700; letter-spacing: 0.04em; }
.brand span { color: var(--accent); }
.designname { display: flex; gap: 6px; align-items: center; margin-left: 12px; }
.designname input { width: 220px; }
.actions { margin-left: auto; display: flex; gap: 6px; align-items: center; }
.user { color: var(--muted); margin-left: 6px; }
.savestate { font-size: 12px; padding: 2px 7px; border-radius: 10px; border: 1px solid var(--line); color: var(--muted); white-space: nowrap; }
.savestate[data-state="dirty"] { color: var(--warn); border-color: var(--warn); }
.savestate[data-state="saved"] { color: var(--ok); border-color: var(--ok); }
button.primary.attention { box-shadow: 0 0 0 2px var(--warn); }
.steps { margin: 0; padding-left: 18px; }
.steps li { margin: 4px 0; }
.steps li.done { color: var(--muted); text-decoration: line-through; }
.steps li.now { color: var(--text); font-weight: 600; }

.main { display: grid; grid-template-columns: 260px 1fr 300px; height: calc(100% - 48px); }
.panel { overflow: auto; padding: 8px; border-right: 1px solid var(--line); background: var(--panel); }
.side-panel { border-right: none; border-left: 1px solid var(--line); }
.panel h2 { font-size: 13px; text-transform: uppercase; letter-spacing: 0.05em; color: var(--muted); margin: 8px 0 6px; }
.panel h3 { font-size: 12px; margin: 10px 0 4px; color: var(--muted); }
.subpanel { border-top: 1px solid var(--line); padding-top: 4px; }
.subpanel[hidden] { display: none; }
.small { font-size: 12px; margin: 2px 0 6px; }
.tlist { display: grid; gap: 4px; }
.tcard { display: grid; grid-template-columns: 64px 1fr; gap: 0 8px; align-items: start; text-align: left; padding: 5px; }
.tcard canvas { width: 64px; height: 48px; background: #0a1218; border-radius: 4px; }
.tcard .tname { font-weight: 600; }
.tcard .tmeta { color: var(--muted); font-size: 11px; }
.tcard .ttext { grid-column: 1 / 3; color: var(--muted); font-size: 12px; margin-top: 3px; display: none; }
.tcard[aria-pressed="true"] .ttext { display: block; }
.tcard.broken { opacity: 0.55; }
.trow { display: flex; gap: 4px; margin: 6px 0 4px; }
.trow select { flex: 1; min-width: 0; }
.nextstep { background: #10222c; border-left: 3px solid var(--accent); border-radius: 4px; padding: 5px 8px; margin: 0 0 8px; font-size: 13px; }
.nextstep.done { border-left-color: var(--ok); }
.nextstep.err { border-left-color: var(--bad); }
.toolbar, .cards { display: grid; grid-template-columns: 1fr 1fr; gap: 4px; }
.toolbar button, .cards button { text-align: left; }
.block { margin-bottom: 12px; }
.block.grow { flex: 1; }
.stats { display: grid; grid-template-columns: auto 1fr; gap: 2px 10px; margin: 0; }
.stats dt { color: var(--muted); }
.stats dd { margin: 0; text-align: right; }
.bar { height: 8px; border-radius: 4px; background: var(--line); margin-top: 8px; overflow: hidden; }
.bar > div { height: 100%; width: 0; background: var(--ok); transition: width 0.2s; }
.bar > div.warn { background: var(--warn); }
.bar > div.bad { background: var(--bad); }
.problems li, .sections li, .designs li { margin: 3px 0; }
.problems li.err { color: var(--bad); }
.problems li.warn { color: var(--warn); }
.row { display: flex; justify-content: space-between; align-items: center; gap: 6px; margin: 4px 0; }
.row span { color: var(--muted); }
#selection > button { margin: 4px 4px 0 0; }
.snaprow { display: flex; gap: 6px; align-items: center; margin: 4px 0; }
.ent-row { display: flex; gap: 6px; align-items: center; margin: 4px 0; }
.ent-row select { flex: 1; min-width: 0; }
.ent-now { margin: 2px 0 6px; }
.chips { display: flex; flex-wrap: wrap; gap: 4px; margin: 4px 0; }
.chip[aria-pressed="true"] { border-color: var(--accent); }
.prop-list { display: grid; grid-template-columns: 1fr; gap: 4px; margin-top: 6px; }
.pitem { display: grid; grid-template-columns: 48px 1fr; grid-template-areas: "img name" "img meta"; gap: 0 8px; text-align: left; align-items: center; }
.pitem img { grid-area: img; background: #0a1218; border-radius: 4px; }
.pname { grid-area: name; }
.pmeta { grid-area: meta; color: var(--muted); font-size: 12px; }

.viewport { position: relative; overflow: hidden; }
#view { position: absolute; inset: 0; width: 100%; height: 100%; display: block; outline: none; touch-action: none; }
.hud { color: var(--text); position: absolute; left: 10px; right: 10px; display: flex; flex-wrap: wrap; gap: 6px; align-items: center; pointer-events: none; }
.hud button, .hud select, .hud span { pointer-events: auto; }
.hud-top { top: 10px; }
.hud-bottom { bottom: 36px; justify-content: space-between; }
.etage { display: flex; gap: 4px; align-items: center; background: rgba(11,19,27,0.85); padding: 4px; border-radius: 8px; }
.views { display: flex; gap: 2px; }
.hint { background: rgba(11,19,27,0.85); padding: 4px 8px; border-radius: 6px; }
.keys { background: rgba(11,19,27,0.85); padding: 4px 8px; border-radius: 6px; color: var(--muted); font-size: 12px; }
.ceiling-tool { position: absolute; top: 56px; right: 10px; display: flex; gap: 6px; align-items: center; background: rgba(11,19,27,0.85); padding: 4px 8px; border-radius: 6px; }
.fps { position: absolute; top: 12px; right: 12px; color: var(--muted); font-size: 12px; pointer-events: none; }
.status { position: absolute; left: 10px; bottom: 10px; right: 10px; padding: 6px 10px; border-radius: 6px; background: rgba(11,19,27,0.9); border-left: 3px solid var(--ok); min-height: 22px; }
.status[data-kind="err"] { border-left-color: var(--bad); color: #ffd6d6; }
.help { position: absolute; top: 60px; left: 50%; transform: translateX(-50%); width: min(560px, 90%); background: rgba(11,19,27,0.97); border: 1px solid var(--line); border-radius: 8px; padding: 12px 16px; }
.help h2 { margin-top: 0; }
.help li { margin: 4px 0; }

.overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.6); display: flex; align-items: center; justify-content: center; z-index: 10; }
.overlay[hidden] { display: none; }
.login-card { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 22px; width: min(420px, 92vw); display: grid; gap: 8px; }
.login-card h1 { margin: 0 0 4px; font-size: 20px; }
.login-card input { font-size: 20px; letter-spacing: 0.2em; text-transform: uppercase; }

@media (max-width: 1100px) {
  .main { grid-template-columns: 1fr; height: auto; }
  .viewport { height: 70vh; }
  body { overflow: auto; }
}