/* ============================================================
 *  写实空间（/real-space.html）· 播放器样式
 * ------------------------------------------------------------
 *  ⚠️ 本文件**全量收在 .rs-wrap 作用域内**，CSS 变量统一 --rs- 前缀。
 *     原因：官网 site.css 有自己的 :root 与 body 规则，不作用域化会互相覆盖
 *     （floorplan.css 也是同样处理）。
 *  设计原则：画面是主角（约 77% 屏幕），UI 只占三条边——顶、左、角。
 * ============================================================ */
.rs-wrap{
  --rs-ink:#fffaf0; --rs-ink-dim:#c9c4b6; --rs-olive:#59694b; --rs-sand:#d8c8a3;
  --rs-bg:#242820; --rs-panel:rgba(24,28,22,.72); --rs-line:rgba(255,250,240,.14);
  background:var(--rs-bg); color:var(--rs-ink);
  font-family:Inter,"PingFang SC","Microsoft YaHei",system-ui,sans-serif; font-synthesis:none;
}
.rs-wrap *{box-sizing:border-box}
.rs-wrap button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
.rs-wrap a{color:inherit;text-decoration:none}
.rs-wrap :focus-visible{outline:2px solid var(--rs-sand);outline-offset:4px}

/* ── 顶栏 ── */
.rs-head{display:flex;align-items:center;gap:22px;padding:14px 22px;
  background:rgba(36,40,32,.92);border-bottom:1px solid var(--rs-line)}
.rs-brand{display:flex;align-items:center;gap:9px}
.rs-brand svg{width:28px;fill:none;stroke:currentColor;stroke-width:1.4}
.rs-brand>span{font-size:19px;letter-spacing:.06em;display:flex;align-items:baseline;gap:8px}
.rs-brand small{font-size:10px;letter-spacing:.28em;color:var(--rs-ink-dim);text-transform:uppercase}
.rs-proj{flex:1;min-width:0}
.rs-proj small{display:block;font-size:10px;letter-spacing:.3em;color:var(--rs-sand)}
.rs-proj h1{margin:2px 0 0;font-size:15px;font-weight:500;color:var(--rs-ink-dim);
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.rs-actions{display:flex;gap:8px}
.rs-actions button{border:1px solid var(--rs-line);border-radius:999px;padding:8px 16px;font-size:13px;
  transition:background .2s,border-color .2s}
.rs-actions button:hover{background:rgba(255,250,240,.08);border-color:var(--rs-sand)}

/* ── 主体 ── */
.rs-main{display:grid;grid-template-columns:minmax(0,1fr) 342px}
#rsStage{position:relative;background:#343a2e;overflow:hidden;min-height:62vh}
#rsCanvas,#rsPoster{position:absolute;inset:0;width:100%;height:100%;display:block}
#rsPoster{object-fit:cover;transition:opacity .5s}
#rsPoster.ready{opacity:0}
#rsCanvas{touch-action:none}

/* 首屏"开始环顾"：three.js 与全景都在点它之后才加载 */
.rs-start{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);z-index:6;
  display:flex;flex-direction:column;align-items:center;gap:10px}
.rs-start button{padding:14px 30px;border-radius:999px;font-size:15px;letter-spacing:.06em;
  background:rgba(20,24,18,.82);border:1px solid rgba(216,200,163,.6);color:var(--rs-ink);
  backdrop-filter:blur(8px);transition:.2s}
.rs-start button:hover{background:rgba(89,105,75,.9)}
.rs-start small{font-size:11px;color:var(--rs-ink-dim);letter-spacing:.08em}

#rsHotspots{position:absolute;inset:0;pointer-events:none}
.rs-hot{position:absolute;transform:translate(-50%,-50%);pointer-events:auto;
  display:flex;align-items:center;gap:7px;padding:7px 14px 7px 10px;border-radius:999px;
  background:rgba(20,24,18,.66);border:1px solid rgba(255,250,240,.3);color:var(--rs-ink);
  font-size:13px;white-space:nowrap;backdrop-filter:blur(6px);transition:transform .2s,background .2s}
.rs-hot:hover{background:rgba(20,24,18,.9);transform:translate(-50%,-50%) scale(1.05)}
.rs-hot i{font-style:normal;color:var(--rs-sand)}

#rsLoading{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);z-index:5;
  padding:10px 20px;border-radius:999px;background:rgba(20,24,18,.7);font-size:13px;color:var(--rs-ink-dim)}
#rsLoading[hidden]{display:none}

.rs-loc{position:absolute;left:20px;top:16px;z-index:4;pointer-events:none;
  display:flex;align-items:baseline;gap:10px;text-shadow:0 2px 12px rgba(0,0,0,.55)}
.rs-loc b{font-size:22px;font-weight:500}
.rs-loc small{font-size:11px;letter-spacing:.2em;color:var(--rs-ink-dim)}

.rs-cams{position:absolute;left:20px;bottom:20px;z-index:4;display:flex;gap:6px;flex-wrap:wrap;max-width:60%}
.rs-cams:empty{display:none}
.rs-cams button{padding:6px 13px;border-radius:999px;font-size:12px;background:rgba(20,24,18,.6);
  border:1px solid var(--rs-line);backdrop-filter:blur(6px);transition:.18s}
.rs-cams button:hover{background:rgba(20,24,18,.9)}
.rs-cams button[aria-pressed="true"]{background:rgba(89,105,75,.75);border-color:rgba(216,200,163,.55)}

.rs-zoom{position:absolute;right:18px;top:50%;transform:translateY(-50%);z-index:4;
  display:flex;flex-direction:column;gap:6px}
.rs-zoom button{width:38px;height:38px;border-radius:50%;background:rgba(20,24,18,.6);
  border:1px solid var(--rs-line);font-size:16px;line-height:1;backdrop-filter:blur(6px)}
.rs-zoom button:hover{background:rgba(20,24,18,.9)}

/* ── 右侧清单（内容由 render.js SSR 写出）── */
.rs-side{background:#1e221b;border-left:1px solid var(--rs-line);overflow-y:auto;
  max-height:calc(100vh - 60px);padding:18px 18px 40px}
.rs-block{margin-bottom:26px}
.rs-block h2{margin:0 0 10px;font-size:11px;letter-spacing:.26em;color:var(--rs-sand);font-weight:500}

#rsRooms{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:2px}
#rsRooms a{display:grid;grid-template-columns:30px 1fr;align-items:baseline;gap:8px;
  padding:9px 10px;border-radius:8px;border:1px solid transparent;transition:.18s;cursor:pointer}
#rsRooms a:hover{background:rgba(255,250,240,.05)}
#rsRooms a[aria-current="true"]{background:rgba(89,105,75,.34);border-color:rgba(216,200,163,.4)}
#rsRooms b{font-size:11px;color:var(--rs-sand);font-weight:500}
#rsRooms em{grid-column:2;font-style:normal;font-size:11px;color:#8d8a7e}

#rsStyles{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}
#rsStyles li{padding:11px 12px;border-radius:10px;background:rgba(255,250,240,.035);
  border:1px solid transparent;transition:.18s;cursor:pointer}
#rsStyles li:hover{background:rgba(255,250,240,.075)}
#rsStyles li[aria-pressed="true"]{border-color:rgba(216,200,163,.55);background:rgba(89,105,75,.28)}
#rsStyles b{font-size:14px;font-weight:500}
#rsStyles span{margin-left:8px;font-size:11px;color:var(--rs-sand)}
#rsStyles p{margin:6px 0 6px;font-size:12.5px;line-height:1.6;color:var(--rs-ink-dim)}
#rsStyles em{display:block;font-style:normal;font-size:11.5px;color:#8d8a7e}
#rsStyles i{display:block;margin-top:6px;font-style:normal;font-size:12px;color:var(--rs-ink-dim);line-height:1.6}

.rs-note p{margin:0;font-size:12px;line-height:1.75;color:#9b988c}

.rs-toast{position:fixed;left:50%;bottom:26px;transform:translate(-50%,20px);z-index:60;
  padding:11px 20px;border-radius:999px;background:rgba(20,24,18,.92);border:1px solid var(--rs-line);
  font-size:13px;color:var(--rs-ink);opacity:0;transition:.3s;pointer-events:none}
.rs-toast.on{opacity:1;transform:translate(-50%,0)}

@media (max-width:900px){
  .rs-head{flex-wrap:wrap;gap:8px;padding:10px 14px}
  .rs-brand{flex:0 0 auto}
  .rs-actions{flex:0 0 auto;margin-left:auto}
  /* 标题必须独占一整行，否则在窄屏上被挤成"竖排" */
  .rs-proj{flex:1 1 100%;order:3}
  .rs-proj h1{font-size:13px;line-height:1.5;white-space:normal;overflow:visible}
  .rs-main{grid-template-columns:1fr}
  #rsStage{min-height:56vh}
  .rs-side{max-height:none;border-left:0;border-top:1px solid var(--rs-line);padding:16px 14px 40px}
  .rs-loc b{font-size:18px}
}