/* 🏰 记忆宫殿 — Room Explorer 弹窗 */

.room-explorer-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(58,48,40,0.5);backdrop-filter:blur(3px);display:none;justify-content:center;align-items:center;z-index:1000}
.room-explorer{background:var(--c-bg);width:94%;max-width:850px;height:92%;border-radius:var(--radius-lg);display:flex;flex-direction:column;box-shadow:var(--shadow-lg);overflow:hidden}
.rex-header{padding:16px 20px;border-bottom:1px solid var(--c-border);display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.rex-icon{font-size:28px}
.rex-title{font-weight:700;font-size:1.1em;color:var(--c-text);flex:1}
.rex-stats{font-size:12px;color:var(--c-text-muted)}
.rex-close{background:none;border:none;font-size:1.5em;cursor:pointer;color:var(--c-text-muted);padding:4px 8px}
.rex-close:hover{color:var(--c-primary)}
.rex-controls{padding:10px 20px;display:flex;gap:8px;flex-wrap:wrap;border-bottom:1px solid var(--c-border);align-items:center}
.rex-controls input[type="text"]{flex:2;padding:7px 10px;border:1px solid var(--c-border);border-radius:8px;font-size:12px;outline:none;min-width:100px;background:#fff;font-family:inherit}
.rex-controls input:focus{border-color:var(--c-primary)}
.rex-controls select{padding:7px 8px;border:1px solid var(--c-border);border-radius:8px;font-size:12px;outline:none;background:#fff;cursor:pointer;font-family:inherit}
.rex-body{flex:1;overflow-y:auto;padding:12px 20px}
.rex-item{border:1px solid var(--c-border);border-radius:var(--radius-sm);margin-bottom:8px;background:var(--c-card);transition:all .2s}
.rex-item:hover{border-color:rgba(224,123,57,.3)}
.rex-item-header{display:flex;align-items:center;padding:10px 12px;cursor:pointer;gap:8px}
.rex-score{font-size:13px;font-weight:700;color:var(--c-gold);width:32px;text-align:right;flex-shrink:0}
.rex-summary{flex:1;font-size:12px;color:var(--c-text);line-height:1.4}
.rex-ts{font-size:11px;color:var(--c-text-muted);flex-shrink:0;white-space:nowrap}
.rex-arrow{font-size:10px;color:var(--c-text-muted);transition:transform .2s;flex-shrink:0}
.rex-item.expanded .rex-arrow{transform:rotate(90deg)}
.rex-detail{display:none;padding:0 12px 12px;border-top:1px solid var(--c-border)}
.rex-item.expanded .rex-detail{display:block}
.rex-content{font-size:12px;line-height:1.7;color:var(--c-text);white-space:pre-wrap;word-break:break-word;background:#faf8f4;padding:10px;border-radius:8px;max-height:300px;overflow-y:auto;margin-top:10px}
.rex-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px;font-size:11px;color:var(--c-text-muted)}
.rex-meta-tag{background:var(--c-primary-pale);color:var(--c-primary);padding:2px 8px;border-radius:6px;font-weight:600}
.rex-chain{display:flex;gap:8px;margin-top:10px;align-items:center;flex-wrap:wrap}
.rex-chain-btn{padding:5px 12px;border:1px solid var(--c-border);border-radius:8px;font-size:11px;cursor:pointer;background:#fff;color:var(--c-text-soft);font-family:inherit;transition:all .2s}
.rex-chain-btn:hover:not(:disabled){background:var(--c-primary-pale);border-color:var(--c-primary);color:var(--c-primary)}
.rex-chain-btn:disabled{opacity:.4;cursor:not-allowed}
.rex-chain-info{font-size:11px;color:var(--c-text-muted);margin-left:auto}
[id^="rex-chain-content"]{width:100%}
.rex-chain-preview{background:#f8f5f0;border:1px solid var(--c-border);border-radius:8px;padding:10px;margin-top:8px;font-size:12px;line-height:1.5;white-space:pre-wrap;word-break:break-word;max-height:60vh;overflow-y:auto}
.rex-chain-preview-label{font-size:11px;font-weight:600;color:var(--c-primary);margin-bottom:4px}
.rex-thinking{background:#faf8f4;border:1px dashed var(--c-border);border-radius:8px;padding:10px;margin-top:8px;font-size:12px;color:var(--c-text-muted);font-style:italic;line-height:1.5;white-space:pre-wrap;word-break:break-word;max-height:60vh;overflow-y:auto}
.rex-pager{display:flex;justify-content:center;align-items:center;gap:12px;padding:12px 20px;border-top:1px solid var(--c-border);font-size:12px;color:var(--c-text-soft)}
.rex-pager button{padding:6px 14px;border:1px solid var(--c-border);border-radius:8px;background:#fff;cursor:pointer;font-size:12px;font-family:inherit;transition:all .2s}
.rex-pager button:hover:not(:disabled){background:var(--c-primary-pale);border-color:var(--c-primary)}
.rex-pager button:disabled{opacity:.3;cursor:not-allowed}
.rex-empty{text-align:center;padding:40px;color:var(--c-text-muted);font-size:13px}