/* 热点雷达 — 暗色暖橙主题 + 亮色主题切换
   默认: 暗色 (#0a0e14 bg, #E97F4A accent)
   亮色: data-theme="light" (#fff8f0 bg)
*/
:root {
  --bg: #0a0e14;
  --bg-2: #0f1319;
  --bg-3: rgba(22,28,36,0.85);
  --bg-4: #1a1f2e;
  --fg: #e6edf3;
  --fg-2: #8b949e;
  --fg-3: #6b7685;
  --accent: #E97F4A;
  --accent-2: #f5a623;
  --border: rgba(48,60,75,0.4);
  --border-accent: rgba(233,127,74,0.3);
  --shadow: rgba(0,0,0,0.4);
  --success: #6dbf6d;
  --danger: #e74c3c;
  --warn: #f39c12;
  --header-bg: linear-gradient(135deg,#0f1319,#1a1f2e);
  --sidebar-item-hover: rgba(48,60,75,0.3);
  --sidebar-item-on: rgba(233,127,74,0.15);
  --section-bg: rgba(22,28,36,0.85);
  --loader-bg: #0a0e14;
  --kbd-bg: rgba(48,60,75,0.4);
  --kbd-border: rgba(48,60,75,0.6);
}

[data-theme="light"] {
  --bg: #faf6f0;
  --bg-2: #f0e8dc;
  --bg-3: rgba(240,232,220,0.9);
  --bg-4: #f5ede0;
  --fg: #2a1a10;
  --fg-2: #6a5040;
  --fg-3: #8a7060;
  --accent: #d96b38;
  --accent-2: #c45a30;
  --border: rgba(200,180,160,0.4);
  --border-accent: rgba(217,107,56,0.3);
  --shadow: rgba(120,60,20,0.15);
  --success: #4caf50;
  --danger: #d32f2f;
  --warn: #e67e22;
  --header-bg: linear-gradient(135deg,#f0e8dc,#e8dcc8);
  --sidebar-item-hover: rgba(200,180,160,0.3);
  --sidebar-item-on: rgba(217,107,56,0.12);
  --section-bg: rgba(245,237,224,0.9);
  --loader-bg: #faf6f0;
  --kbd-bg: rgba(200,180,160,0.3);
  --kbd-border: rgba(200,180,160,0.5);
}

*{margin:0;padding:0;box-sizing:border-box}
html,body{background:var(--bg);color:var(--fg);font-family:-apple-system,'PingFang SC','Microsoft YaHei',sans-serif;min-height:100vh;transition:background .25s,color .25s}

/* ========== 顶栏 ========== */
.header{background:var(--header-bg);border-bottom:1px solid var(--border-accent);padding:12px 0;position:sticky;top:0;z-index:20}
.inner{max-width:1400px;margin:0 auto;padding:0 20px}
.hdr{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:8px}
.hdr h1{font-size:18px;color:var(--accent);display:flex;align-items:center;gap:8px}
.hdr h1 span{color:var(--fg-2);font-size:12px;font-weight:normal}
.hdr .meta{color:var(--fg-2);font-size:11px}
.btn{padding:6px 16px;border:1px solid var(--border-accent);border-radius:8px;background:transparent;color:var(--accent);cursor:pointer;font-size:12px;transition:all .25s cubic-bezier(.4,0,.2,1)}
.btn:hover{background:rgba(233,127,74,0.15);transform:translateY(-1px);box-shadow:0 4px 12px rgba(233,127,74,0.15)}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}
.btn-sm{padding:4px 10px;font-size:11px}

/* ========== 统计条 ========== */
.stats{display:flex;gap:10px;padding:10px 20px;max-width:1400px;margin:0 auto;flex-wrap:wrap}
.stat-card{background:var(--bg-3);border:1px solid var(--border);border-radius:10px;padding:10px 14px;display:flex;align-items:center;gap:8px;flex:1;min-width:110px}
.stat-card .num{font-size:20px;font-weight:700;color:var(--accent);line-height:1;font-variant-numeric:tabular-nums}
.stat-card .lbl{font-size:11px;color:var(--fg-2);white-space:nowrap}
.stat-card .bar{flex:1;height:4px;background:var(--border);border-radius:2px;overflow:hidden}
.stat-card .bar-fill{height:100%;border-radius:2px;background:linear-gradient(90deg,var(--accent),var(--accent-2))}
.stat-sub{font-size:10px;color:var(--fg-3)}

/* ========== 搜索框 ========== */
.search-area{max-width:1400px;margin:0 auto;padding:0 20px 8px}
.search-bar{width:100%;padding:8px 12px 8px 32px;background:var(--bg-3);border:1px solid var(--border);border-radius:8px;color:var(--fg);font-size:13px;outline:none;transition:border-color .15s}
.search-bar:focus{border-color:var(--accent)}
.search-wrap{position:relative}
.search-wrap::before{content:"🔍";position:absolute;left:8px;top:50%;transform:translateY(-50%);font-size:12px;opacity:.5;pointer-events:none}

/* ========== 主体布局 ========== */
.layout{display:flex;max-width:1400px;margin:0 auto;padding:10px 20px;gap:16px}

/* ========== 左侧栏 ========== */
.sidebar{width:200px;flex-shrink:0;position:sticky;top:70px;height:calc(100vh - 90px);overflow-y:auto;transition:background 0s}
.sidebar::-webkit-scrollbar{width:4px}
.sidebar::-webkit-scrollbar-thumb{background:var(--fg-3);border-radius:2px}
.stitle2{font-size:12px;color:var(--fg-2);margin-bottom:6px;padding-bottom:4px;border-bottom:1px solid var(--border);margin-top:12px}
.filter-col{display:flex;flex-direction:column;gap:2px}
.filter-btn{display:flex;align-items:center;gap:4px;padding:4px 8px;border-radius:6px;cursor:pointer;font-size:11px;transition:all .12s;border:1px solid transparent;background:transparent;color:var(--fg-2);width:100%;text-align:left}
.filter-btn:hover{background:var(--sidebar-item-hover);color:var(--fg)}
.filter-btn.on{background:var(--sidebar-item-on);color:var(--accent);border-color:var(--border-accent)}
.filter-btn .dot{width:6px;height:6px;border-radius:50%;flex-shrink:0}
.filter-btn .cnt{color:var(--fg-3);font-size:10px;margin-left:auto}
.filter-btn.on .cnt{color:rgba(233,127,74,0.6)}

/* ========== 内容区 ========== */
.content{flex:1;min-width:0}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:10px}

.section{background:var(--section-bg);border:1px solid var(--border);border-radius:10px;padding:10px 12px}
.stitle{font-size:13px;font-weight:600;margin-bottom:8px;padding-bottom:5px;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:6px}
.stitle .cnt{color:var(--fg-2);font-weight:normal;font-size:11px;margin-left:auto}

.item{padding:4px 0;border-bottom:1px solid rgba(48,60,75,0.08);font-size:13px;line-height:1.4}
.item:last-child{border:none}
.item .line{display:flex;align-items:center;gap:4px}
.item a{color:var(--fg);text-decoration:none;display:flex;gap:6px;align-items:baseline;flex:1;min-width:0;transition:color .15s}
.item:hover a{color:var(--accent)}
.item .r{color:var(--fg-2);font-size:11px;min-width:18px;flex-shrink:0;text-align:right}
.item .t{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;flex:1;min-width:0}
.item .h{color:var(--fg-3);font-size:11px;margin-left:auto;flex-shrink:0}

/* 每个分类前三名金色高亮 */
.item[data-rank="1"] .t{color:#f5a623;font-weight:600}
.item[data-rank="2"] .t{color:#e6b800}
.item[data-rank="3"] .t{color:#d4942b}

/* 涨速徽章 */
.velocity-badge{display:inline-flex;align-items:center;gap:2px;font-size:10px;padding:1px 5px;border-radius:4px;flex-shrink:0;font-weight:600}
.velocity-badge.surging{background:rgba(231,76,60,0.2);color:var(--danger);animation:pulse 1.5s ease-in-out infinite}
.velocity-badge.rising{background:rgba(243,156,18,0.2);color:var(--warn)}

/* 共振徽章 */
.resonance-badge{display:inline-flex;align-items:center;gap:2px;font-size:10px;padding:1px 5px;border-radius:4px;background:rgba(109,191,109,0.15);color:var(--success);flex-shrink:0;cursor:help}

/* ========== 标准版卡片 ========== */
.card{background:var(--section-bg);border:1px solid var(--border);border-radius:10px;padding:12px;position:relative}
.card-header{display:flex;align-items:center;gap:6px;margin-bottom:6px;font-size:11px}
.card .pname{background:var(--bg-4);color:var(--fg-2);padding:2px 6px;border-radius:4px;font-weight:500;font-size:10px}
.card .heat{color:var(--fg-2);margin-left:auto;font-weight:600;font-variant-numeric:tabular-nums}
.card .score-badge{font-size:10px;font-weight:600;margin-left:4px;font-variant-numeric:tabular-nums}
.card .heat.no-heat{color:var(--fg-3);font-weight:400}
.card .ctitle{font-size:14px;line-height:1.4;margin:6px 0;font-weight:500;color:var(--fg)}
.card .ctitle.gold{color:#f5a623}
.card .actions{display:flex;gap:6px;margin-top:6px}

/* AI 图标 */
.ai-icon{color:var(--fg-3);font-size:11px;cursor:pointer;flex-shrink:0;padding:2px 4px;border-radius:4px;transition:all .12s}
.ai-icon:hover{color:var(--accent);background:rgba(233,127,74,0.1)}
.ai-icon.loading{opacity:.5;pointer-events:none}

/* AI 角度提示 */
.ai-tip{background:var(--bg-4);border:1px solid var(--border-accent);border-radius:8px;padding:8px 10px;margin:3px 0 2px;font-size:12px;line-height:1.5;color:var(--fg-2);display:none}
.ai-tip .angle-item{padding:3px 0;display:flex;flex-wrap:wrap;align-items:center;gap:4px}
.ai-tip .angle-label{display:inline-block;background:rgba(233,127,74,0.2);color:var(--accent);padding:0 5px;border-radius:3px;font-size:10px;font-weight:600;white-space:nowrap}
.ai-tip .angle-text{font-size:11px;color:var(--fg);flex:1;min-width:120px}
.ai-tip .angle-reason{font-size:10px;color:var(--fg-3);font-style:italic}

/* 角度投票按钮 */
.angle-votes{display:flex;gap:4px;margin-top:4px;width:100%}
.vote-btn{background:rgba(48,60,75,0.3);border:1px solid transparent;padding:2px 6px;border-radius:4px;font-size:10px;color:var(--fg-2);cursor:pointer;transition:all .12s}
.vote-btn:hover{background:rgba(233,127,74,0.15);color:var(--accent)}
.vote-btn.voted{background:rgba(233,127,74,0.2);color:var(--accent)}

/* ========== 加载 ========== */
.loader{position:fixed;top:0;left:0;right:0;bottom:0;display:flex;flex-direction:column;align-items:center;justify-content:center;background:var(--loader-bg);z-index:200}
.loader-ring{width:40px;height:40px;border:3px solid rgba(233,127,74,0.15);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite;margin-bottom:16px}
.loader-text{color:var(--accent);font-size:14px;font-weight:500}
.loader-sub{color:var(--fg-2);font-size:11px;margin-top:6px}

/* ========== 弹窗 ========== */
.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,0.7);z-index:100;display:none;align-items:center;justify-content:center;backdrop-filter:blur(4px)}
.modal-box{background:var(--bg-4);border:1px solid var(--border-accent);border-radius:16px;padding:24px 28px;max-width:380px;width:90%;text-align:center;position:relative}
.modal-box h2{color:var(--accent);font-size:18px;margin-bottom:8px}
.modal-box p{color:var(--fg-2);font-size:12px;line-height:1.6;margin-bottom:12px}
.modal-box img{max-width:200px;border-radius:10px;margin-bottom:10px;border:1px solid var(--border)}
.modal-close{position:absolute;top:10px;right:14px;color:var(--fg-2);cursor:pointer;font-size:18px;background:none;border:none}

/* 涨速榜 */
.rising-list{list-style:none}
.rising-item{display:flex;align-items:center;gap:8px;padding:6px 0;border-bottom:1px solid var(--border);font-size:12px}
.rising-item:last-child{border:none}
.rising-rank{min-width:20px;height:20px;background:var(--accent);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:10px;font-weight:700;flex-shrink:0}
.rising-title{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--fg)}
.rising-delta{font-weight:700;color:var(--danger);font-variant-numeric:tabular-nums}
kbd{display:inline-block;padding:1px 5px;background:var(--kbd-bg);border:1px solid var(--kbd-border);border-radius:3px;font-family:monospace;font-size:10px;color:var(--fg-2)}

/* ========== 右侧监控面板 ========== */
.monitor-panel{width:200px;flex-shrink:0;position:sticky;top:70px;height:calc(100vh - 90px);overflow-y:auto;background:var(--section-bg);border:1px solid var(--border);border-radius:10px;padding:10px}
.monitor-title{font-size:12px;font-weight:600;color:var(--accent);margin-bottom:8px;padding-bottom:5px;border-bottom:1px solid var(--border)}
.monitor-item{font-size:10px;color:var(--fg-2);padding:3px 0;display:flex;justify-content:space-between}
.monitor-item .val{color:var(--fg);font-weight:600;font-variant-numeric:tabular-nums}
.monitor-section{margin-top:8px;padding-top:6px;border-top:1px solid var(--border)}
.monitor-section-title{font-size:10px;color:var(--fg-3);margin-bottom:4px}
.monitor-loading{font-size:11px;color:var(--fg-3);text-align:center;padding:20px}
.monitor-top-list{font-size:10px;color:var(--fg-2);line-height:1.6}
.monitor-top-list span{display:inline-block;margin-right:6px}

/* 三列布局 */
.layout-3col .content{flex:1;min-width:0}

/* 动效 */
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.6}}

/* 响应式 */
@media(max-width:768px){
  .layout{flex-direction:column}
  .sidebar{width:100%;position:static;height:auto}
  .grid{grid-template-columns:1fr}
  .hdr{flex-direction:column;align-items:flex-start;gap:6px}
  .stats{flex-wrap:wrap}
  .stat-card{min-width:45%}
}
/* ========== 本地中继状态条 ========== */
.relay-bar{
  display:flex;align-items:center;gap:8px;
  padding:8px 16px;
  margin:0 12px 8px;
  background:rgba(22,28,36,0.7);
  border:1px solid rgba(233,127,74,0.25);
  border-radius:8px;
  font-size:12px;
  color:var(--fg-2);
  transition:all .3s;
}
.relay-bar.relay-ok{border-color:rgba(99,189,99,0.4)}
.relay-bar.relay-warn{border-color:rgba(233,176,74,0.4)}
.relay-bar.relay-err{border-color:rgba(220,80,80,0.4)}
.relay-bar #relayIcon{font-size:14px}
.relay-bar #relayText{font-weight:600;color:var(--fg)}
.relay-bar .relay-detail{color:var(--fg-3);font-size:11px;margin-left:auto}