:root{--bg:#f5efe6;--panel:#fbf7f0;--ink:#2b211a;--muted:#6b5a4b;--line:#ddd0bf;--pine:#2e4636;--rust:#a4552b;--rust-ink:#8f4520;--danger:#b03a2e;color-scheme:light}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){--bg:#1c211d;--panel:#232a25;--ink:#f1e9dd;--muted:#b4a896;--line:#3b453d;--pine:#9cc3a4;--rust:#d9824f;--rust-ink:#e79564;--danger:#f08a7e;color-scheme:dark}}
:root[data-theme="dark"]{--bg:#1c211d;--panel:#232a25;--ink:#f1e9dd;--muted:#b4a896;--line:#3b453d;--pine:#9cc3a4;--rust:#d9824f;--rust-ink:#e79564;--danger:#f08a7e;color-scheme:dark}
*{box-sizing:border-box}[hidden]{display:none!important}
html,body{height:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:14px/1.5 Figtree,system-ui,sans-serif;display:flex;flex-direction:column}
button,input{font:inherit;color:inherit}button{cursor:pointer}
:focus-visible{outline:3px solid var(--rust);outline-offset:2px}
h1,h2{font-family:Fraunces,Georgia,serif;font-weight:400;margin:0}
.top{display:flex;align-items:center;gap:24px;padding:12px 20px;border-bottom:1px solid var(--line);flex-wrap:wrap}
.top h1{font-size:22px;color:var(--pine)}
#rooms{display:flex;gap:4px;flex-wrap:wrap}
#rooms [role=tab]{border:1px solid transparent;background:transparent;border-radius:999px;padding:7px 15px;font-weight:600;color:var(--muted)}
#rooms [role=tab][aria-selected=true]{background:var(--pine);color:var(--bg)}
.layout{flex:1;display:grid;grid-template-columns:minmax(0,1fr) 330px;min-height:0}
.viewport{position:relative;min-height:0;min-width:0}
#stage{position:absolute;inset:0}#stage canvas{display:block;width:100%;height:100%;touch-action:none}
.view-toggle{position:absolute;top:14px;left:14px;display:flex;background:var(--panel);border:1px solid var(--line);border-radius:9px;padding:3px;box-shadow:0 2px 10px #0001}
.view-toggle button{border:0;background:transparent;border-radius:7px;padding:7px 13px;font-weight:600;font-size:13px;color:var(--muted)}
.view-toggle button[aria-pressed=true]{background:var(--rust);color:#fff}
.hint{position:absolute;left:14px;bottom:10px;margin:0;font-size:12px;color:var(--muted);background:color-mix(in srgb,var(--panel) 85%,transparent);padding:5px 10px;border-radius:7px;max-width:calc(100% - 28px)}
.panel{border-left:1px solid var(--line);background:var(--panel);padding:18px;overflow:auto;display:flex;flex-direction:column;gap:14px}
.note{margin:0;color:var(--muted)}
.small{font-size:12px;color:var(--muted);margin:0}
.selected{border:1px solid var(--rust);border-radius:12px;padding:14px;display:flex;flex-direction:column;gap:10px;background:color-mix(in srgb,var(--rust) 6%,var(--panel))}
.sel-head{display:flex;justify-content:space-between;gap:10px;align-items:start}.sel-head h2{font-size:20px}
.icon-button{border:1px solid var(--line);background:transparent;border-radius:50%;width:32px;height:32px;flex:none}
.bump-note{margin:0;font-size:12px;color:var(--danger);font-weight:600}.bump-note:empty{display:none}
.row{display:flex;gap:8px;flex-wrap:wrap}
.button{border:1px solid var(--line);background:var(--bg);border-radius:8px;padding:8px 12px;font-weight:600;font-size:13px;flex:1;min-height:38px}
.button.primary{background:var(--pine);border-color:var(--pine);color:var(--bg)}
.sizes label{flex:1;font-size:12px;font-weight:600;color:var(--muted);display:flex;flex-direction:column;gap:4px}
.sizes input{border:1px solid var(--line);border-radius:7px;padding:8px 10px;background:var(--bg);width:100%}
.list-title{font-size:17px}
.pieces{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:4px}
.pieces button{width:100%;display:grid;grid-template-columns:14px 1fr auto;gap:10px;align-items:center;text-align:left;border:1px solid transparent;background:transparent;border-radius:8px;padding:7px 9px}
.pieces button:hover{background:color-mix(in srgb,var(--line) 45%,transparent)}
.pieces button[aria-pressed=true]{border-color:var(--rust);background:color-mix(in srgb,var(--rust) 9%,transparent)}
.pieces button.bump small{color:var(--danger)}
.pieces small{color:var(--muted);font-size:11px;white-space:nowrap}
.swatch{width:14px;height:14px;border-radius:4px;border:1px solid #0002}
.room-size summary{cursor:pointer;font-weight:600;color:var(--pine)}.room-size[open]{display:flex;flex-direction:column;gap:8px}
.toast{position:fixed;left:50%;bottom:20px;transform:translateX(-50%);margin:0;background:var(--pine);color:var(--bg);padding:10px 16px;border-radius:9px;font-weight:600;max-width:calc(100% - 32px);box-shadow:0 6px 20px #0003}
.toast:empty{display:none}
@media (max-width:760px){
  body{height:auto;min-height:100%}
  .top{padding:10px 16px;gap:10px}.top h1{font-size:19px}
  .layout{display:flex;flex-direction:column}
  .viewport{height:62vh;min-height:340px}
  .panel{border-left:0;border-top:1px solid var(--line);padding:16px;overflow:visible}
  .hint{font-size:11px}
}