/* ============================================================
   《小威AI早报》门户样式
   - 多色调主题（data-theme）
   - 12 列网格 + 板块拖拽 / 缩放 / 换色
   ============================================================ */
:root{
  --brand:#1f4fd8;          /* 主题强调色 */
  --brand-2:#0a1f4e;        /* 深色辅 */
  --bg:#eef1f6;
  --panel:#ffffff;
  --panel-2:#f6f8fc;
  --text:#1f2733;
  --muted:#667085;
  --line:#e3e8ef;
  --shadow:0 1px 3px rgba(16,24,40,.08);
  --radius:14px;
  --gap:14px;
  --row:96px;
}
/* —— 主题：翡翠绿 —— */
[data-theme="emerald"]{ --brand:#0f9d6b; --brand-2:#0a3d2c; --bg:#eaf5ef; --panel:#ffffff; --panel-2:#f1faf5; --line:#d6ece0; }
/* —— 主题：赤焰橙 —— */
[data-theme="amber"]{ --brand:#e8631a; --brand-2:#7a2e06; --bg:#fbf0e8; --panel:#ffffff; --panel-2:#fdf4ee; --line:#f0d9c8; }
/* —— 主题：紫罗兰 —— */
[data-theme="violet"]{ --brand:#7b3fe4; --brand-2:#3a1a6b; --bg:#f1ebfb; --panel:#ffffff; --panel-2:#f7f2fd; --line:#e3d6f5; }
/* —— 主题：暗夜 —— */
[data-theme="dark"]{
  --brand:#3b82f6; --brand-2:#0b1220; --bg:#0f172a; --panel:#1e293b; --panel-2:#172033;
  --text:#e2e8f0; --muted:#94a3b8; --line:#334155;
  --shadow:0 1px 4px rgba(0,0,0,.4);
}

*{box-sizing:border-box;margin:0;padding:0;}
html,body{height:100%;}
body{
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  background:var(--bg); color:var(--text); font-size:14px; line-height:1.6;
  display:flex; flex-direction:column; height:100vh; overflow:hidden;
  transition:background .25s, color .25s;
}

/* ---------- 顶栏 ---------- */
.topbar{
  display:flex; align-items:center; gap:16px; padding:0 18px; height:58px; flex-shrink:0;
  background:linear-gradient(135deg,var(--brand-2) 0%, var(--brand) 100%);
  color:#fff;
}
.brand{font-size:18px;font-weight:800;white-space:nowrap;letter-spacing:.5px;}
.brand .logo{margin-right:6px;}
.brand .sub{font-size:11.5px;font-weight:400;opacity:.82;margin-left:8px;}
.top-search{position:relative;flex:1;max-width:460px;}
.top-search input{
  width:100%;height:36px;border:none;border-radius:18px;padding:0 16px 0 38px;font-size:13.5px;
  background:rgba(255,255,255,.95);color:var(--text);outline:none;
}
.top-search::before{content:"🔍";position:absolute;left:13px;top:50%;transform:translateY(-50%);opacity:.55;font-size:13px;}
.topbar .spacer{flex:1;}
.themes{display:flex;gap:7px;align-items:center;}
.themes .swatch{width:20px;height:20px;border-radius:50%;border:2px solid rgba(255,255,255,.6);cursor:pointer;transition:transform .12s;}
.themes .swatch:hover{transform:scale(1.15);}
.themes .swatch.active{border-color:#fff;box-shadow:0 0 0 2px rgba(255,255,255,.4);}
.tb-btn{
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.3);color:#fff;
  height:32px;padding:0 12px;border-radius:16px;font-size:12.5px;cursor:pointer;white-space:nowrap;
}
.tb-btn:hover{background:rgba(255,255,255,.28);}

/* ---------- 门户网格 ---------- */
.portal{
  flex:1; overflow:auto; padding:var(--gap);
  display:grid; grid-template-columns:repeat(12,1fr); grid-auto-rows:var(--row); gap:var(--gap);
  align-content:start;
}
.widget{
  background:var(--panel); border:1px solid var(--line); border-radius:var(--radius);
  box-shadow:var(--shadow); display:flex; flex-direction:column; overflow:hidden; position:relative; min-width:0;
  transition:box-shadow .15s, border-color .15s, background .25s, color .25s;
}
.widget.dragging{opacity:.55; box-shadow:0 8px 24px rgba(16,24,40,.25);}
.widget.drop-target{border-color:var(--brand); border-style:dashed;}
.widget.collapsed .w-body{display:none;}
.widget.collapsed{ grid-row:span 1 !important; }

.w-head{
  display:flex; align-items:center; gap:8px; padding:9px 11px; flex-shrink:0; cursor:grab; user-select:none;
  background:var(--w-accent,var(--brand)); color:#fff;
}
.w-head:active{cursor:grabbing;}
.w-grip{font-size:14px;opacity:.8;cursor:grab;}
.w-title{font-size:14px;font-weight:700;flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.w-tools{display:flex;gap:4px;}
.w-tools button{
  width:24px;height:24px;border:none;border-radius:7px;background:rgba(255,255,255,.2);color:#fff;
  cursor:pointer;font-size:13px;line-height:1;display:flex;align-items:center;justify-content:center;
}
.w-tools button:hover{background:rgba(255,255,255,.38);}
.w-body{flex:1;overflow:auto;padding:11px 13px;min-height:0;}

/* 缩放手柄 */
.w-resize{
  position:absolute;right:2px;bottom:2px;width:18px;height:18px;cursor:nwse-resize;z-index:5;opacity:.45;
  background:linear-gradient(135deg,transparent 0 46%,var(--muted) 46% 56%,transparent 56% 72%,var(--muted) 72% 82%,transparent 82%);
}
.w-resize:hover{opacity:.9;}

/* ---------- 内容通用 ---------- */
.empty{color:var(--muted);font-size:13px;padding:24px 0;text-align:center;}
.badge-issue{display:inline-block;background:var(--brand);color:#fff;font-size:10.5px;font-weight:700;padding:1px 7px;border-radius:20px;margin-left:6px;vertical-align:1px;}
.badge-issue.sm{font-size:9.5px;padding:0 6px;}
.tag{display:inline-block;font-size:10.5px;font-weight:600;padding:1px 7px;border-radius:20px;margin:2px 4px 2px 0;white-space:nowrap;}
.t-confirmed{background:#e8f6ef;color:#0f7b4f;border:1px solid #b9e2cd;}
.t-rumor{background:#fdf3e3;color:#9a5b00;border:1px solid #f0d9a8;}
.t-cat{background:#eef2ff;color:#3730a3;border:1px solid #d5dcfb;}
.t-hot{background:#fdecea;color:#c0392b;border:1px solid #f5c6c0;}
.t-new{background:#e9f2ff;color:#1264b5;border:1px solid #c9e0fb;}
.src-chip{display:inline-block;font-size:11px;color:var(--brand);text-decoration:none;background:var(--panel-2);border:1px solid var(--line);padding:1px 8px;border-radius:14px;margin:2px 4px 2px 0;}
.src-chip:hover{background:var(--brand);color:#fff;border-color:var(--brand);}
.read-btn{margin-top:10px;width:100%;border:none;background:var(--brand);color:#fff;padding:9px;border-radius:10px;font-size:13px;font-weight:600;cursor:pointer;}
.read-btn:hover{filter:brightness(1.08);}

/* 最新早报 */
.lt-date{font-size:14px;font-weight:800;color:var(--brand);}
.lt-window{font-size:11.5px;color:var(--muted);margin-bottom:6px;}
.lt-ov{font-size:12.5px;color:var(--text);margin-bottom:8px;line-height:1.55;}
.mini{border:1px solid var(--line);border-radius:10px;padding:8px 10px;margin-bottom:8px;background:var(--panel-2);}
.mini-t{font-size:12.5px;font-weight:700;color:var(--text);line-height:1.45;margin-bottom:4px;}
.mini-tags,.mini-src{font-size:0;}

/* 历史早报 */
.hist-item{border:1px solid var(--line);border-radius:10px;padding:8px 10px;margin-bottom:8px;cursor:pointer;transition:all .12s;background:var(--panel);}
.hist-item:hover{border-color:var(--brand);box-shadow:0 2px 8px rgba(31,79,216,.12);transform:translateY(-1px);}
.hi-date{font-size:13px;font-weight:800;color:var(--brand);}
.hi-date span{font-size:11px;font-weight:500;color:var(--muted);margin-left:5px;}
.hi-ov{font-size:11.5px;color:var(--text);margin:3px 0;line-height:1.5;}
.hi-meta{font-size:10.5px;color:var(--muted);}

/* 标签速览（板块导航） */
.cat-chips{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:10px;}
.cat-chip{font-size:12px;font-weight:600;padding:4px 11px;border-radius:20px;cursor:pointer;background:var(--panel-2);border:1px solid var(--line);color:var(--text);}
.cat-chip:hover{border-color:var(--brand);color:var(--brand);}
.cat-chip.active{background:var(--brand);color:#fff;border-color:var(--brand);}
.cat-chip .cnt{opacity:.7;font-weight:500;margin-left:4px;font-size:10.5px;}
.cat-hint{font-size:11px;color:var(--muted);margin-bottom:8px;}
.res-item{border:1px solid var(--line);border-radius:10px;padding:9px 11px;margin-bottom:8px;background:var(--panel);}
.res-top{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:4px;}
.res-date{font-size:11px;font-weight:700;color:#fff;background:var(--brand);border-radius:6px;padding:1px 8px;cursor:pointer;}
.res-date:hover{filter:brightness(1.1);}
.res-title{font-size:12.5px;font-weight:700;color:var(--text);flex:1;min-width:200px;}

/* 检索 */
.search-box{width:100%;height:34px;border:1px solid var(--line);border-radius:10px;padding:0 12px;font-size:13px;background:var(--panel);color:var(--text);outline:none;margin-bottom:10px;}
.search-box:focus{border-color:var(--brand);}
.s-results .res-item{margin-bottom:8px;}

/* 数据看板 */
.stat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:8px;margin-bottom:12px;}
.stat-box{background:var(--panel-2);border:1px solid var(--line);border-radius:10px;padding:9px;text-align:center;}
.stat-num{font-size:22px;font-weight:800;color:var(--brand);line-height:1.1;}
.stat-lab{font-size:10.5px;color:var(--muted);margin-top:2px;}
.stat-range{font-size:11.5px;color:var(--muted);margin-bottom:10px;text-align:center;}
.bar-row{display:flex;align-items:center;gap:8px;margin-bottom:6px;font-size:11.5px;}
.bar-name{flex:0 0 110px;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.bar-track{flex:1;height:14px;background:var(--panel-2);border-radius:7px;overflow:hidden;}
.bar-fill{height:100%;background:var(--brand);border-radius:7px;}
.bar-cnt{flex:0 0 26px;text-align:right;color:var(--muted);}

/* ---------- 阅读器浮层 ---------- */
#reader{
  position:fixed;inset:0;background:rgba(10,15,30,.55);display:none;z-index:50;
  backdrop-filter:blur(2px);
}
#reader.show{display:block;}
.reader-box{
  position:absolute;inset:24px;border-radius:16px;overflow:hidden;background:#fff;display:flex;flex-direction:column;
  box-shadow:0 20px 60px rgba(0,0,0,.4);
}
.reader-head{display:flex;align-items:center;gap:10px;padding:12px 16px;background:var(--brand);color:#fff;flex-shrink:0;}
.reader-head .rt{font-size:15px;font-weight:700;flex:1;}
.reader-head button{background:rgba(255,255,255,.2);border:none;color:#fff;width:30px;height:30px;border-radius:8px;cursor:pointer;font-size:16px;}
.reader-head button:hover{background:rgba(255,255,255,.35);}
#reader iframe{flex:1;border:none;width:100%;background:#fff;}

/* ============================================================
   门户主结构：顶栏视图切换 + 侧栏往期目录 + 常驻阅读区
   ============================================================ */
.viewtabs{display:flex;gap:4px;background:rgba(255,255,255,.14);padding:3px;border-radius:18px;}
.vt{border:none;background:transparent;color:rgba(255,255,255,.85);font-size:12.5px;font-weight:600;
    padding:5px 13px;border-radius:15px;cursor:pointer;white-space:nowrap;transition:all .15s;}
.vt:hover{color:#fff;background:rgba(255,255,255,.12);}
.vt.active{background:#fff;color:var(--brand);box-shadow:0 1px 4px rgba(0,0,0,.15);}
.tb-btn.dark{background:rgba(255,255,255,.1);border:1px solid var(--line);color:var(--text);}
.tb-btn.dark:hover:not(:disabled){background:var(--brand);color:#fff;border-color:var(--brand);}
.tb-btn.dark:disabled{opacity:.4;cursor:not-allowed;}

/* ---------- 站点主体 ---------- */
.site{flex:1;display:flex;min-height:0;overflow:hidden;}

/* ---------- 左侧：往期目录 ---------- */
.sidebar{
  flex:0 0 232px;display:flex;flex-direction:column;min-height:0;
  background:var(--panel);border-right:1px solid var(--line);
}
.sb-head{display:flex;align-items:center;justify-content:space-between;padding:12px 14px 8px;flex-shrink:0;}
.sb-title{font-size:13.5px;font-weight:800;color:var(--text);}
.sb-count{font-size:11px;color:var(--muted);background:var(--panel-2);border:1px solid var(--line);padding:1px 8px;border-radius:20px;}
.sb-filter{padding:0 12px 10px;flex-shrink:0;}
.sb-filter input{
  width:100%;height:32px;border:1px solid var(--line);border-radius:9px;padding:0 11px;
  font-size:12.5px;background:var(--panel-2);color:var(--text);outline:none;
}
.sb-filter input:focus{border-color:var(--brand);background:var(--panel);}
.sb-tree{flex:1;overflow:auto;padding:0 8px 10px;min-height:0;}

.sb-group{margin-bottom:6px;}
.sb-ghead{
  display:flex;align-items:center;gap:6px;padding:6px 8px;border-radius:8px;cursor:pointer;
  font-size:12px;font-weight:700;color:var(--text);user-select:none;
}
.sb-ghead:hover{background:var(--panel-2);}
.sb-caret{font-size:10px;color:var(--muted);transition:transform .15s;display:inline-block;}
.sb-group.folded .sb-caret{transform:rotate(-90deg);}
.sb-group.folded .sb-gitems{display:none;}
.sb-gcnt{margin-left:auto;font-size:10.5px;font-weight:500;color:var(--muted);}
.sb-gitems{padding-left:4px;}

.sb-item{
  display:flex;align-items:center;gap:6px;padding:6px 9px;border-radius:8px;cursor:pointer;
  font-size:12.5px;color:var(--text);border:1px solid transparent;margin-bottom:2px;
}
.sb-item:hover{background:var(--panel-2);border-color:var(--line);}
.sb-item.active{background:var(--brand);border-color:var(--brand);color:#fff;}
.sb-item.active .sb-w,.sb-item.active .sb-n{color:rgba(255,255,255,.85);}
.sb-d{font-weight:700;font-variant-numeric:tabular-nums;}
.sb-w{font-size:11px;color:var(--muted);}
.sb-badge{font-size:9.5px;font-weight:700;background:var(--brand);color:#fff;padding:0 6px;border-radius:20px;}
.sb-item.active .sb-badge{background:rgba(255,255,255,.28);}
.sb-n{margin-left:auto;font-size:10.5px;color:var(--muted);font-variant-numeric:tabular-nums;}

.sb-foot{display:flex;gap:8px;padding:10px 12px;border-top:1px solid var(--line);flex-shrink:0;}
.sb-btn{
  flex:1;border:1px solid var(--line);background:var(--panel-2);color:var(--text);
  font-size:12px;font-weight:600;padding:7px 0;border-radius:9px;cursor:pointer;
}
.sb-btn:hover:not(:disabled){background:var(--brand);color:#fff;border-color:var(--brand);}
.sb-btn:disabled{opacity:.38;cursor:not-allowed;}

/* ---------- 右侧：阅读区 ---------- */
.reading{flex:1;display:flex;flex-direction:column;min-width:0;min-height:0;background:var(--bg);}
.rd-bar{
  display:flex;align-items:center;gap:12px;flex-wrap:wrap;padding:9px 16px;flex-shrink:0;
  background:var(--panel);border-bottom:1px solid var(--line);
}
.rd-crumb{font-size:12.5px;color:var(--muted);flex:1;min-width:180px;}
.rd-crumb a{color:var(--brand);text-decoration:none;font-weight:600;}
.rd-crumb a:hover{text-decoration:underline;}
.rd-crumb .sep{margin:0 7px;opacity:.5;}
#rd-cur{font-size:13px;font-weight:700;color:var(--text);}
.rd-meta{font-size:11.5px;font-weight:500;color:var(--muted);margin-left:8px;}
.rd-actions{display:flex;gap:7px;}
.rd-frame-wrap{flex:1;min-height:0;padding:12px 16px 16px;}
#rd-frame{width:100%;height:100%;border:1px solid var(--line);border-radius:12px;background:#fff;box-shadow:var(--shadow);}

.hint{
  position:fixed;left:50%;bottom:22px;transform:translateX(-50%) translateY(12px);
  background:var(--brand-2);color:#fff;font-size:12.5px;padding:8px 16px;border-radius:20px;
  opacity:0;pointer-events:none;transition:opacity .2s, transform .2s;z-index:99;
}
.hint.show{opacity:.95;transform:translateX(-50%) translateY(0);}

/* ---------- 响应式 ---------- */
@media (max-width:880px){
  .site{flex-direction:column;}
  .sidebar{flex:0 0 auto;max-height:38vh;border-right:none;border-bottom:1px solid var(--line);}
  .sb-foot{display:none;}
  .viewtabs{display:none;}
}
  .portal{grid-template-columns:repeat(6,1fr);}
  .widget{grid-column:span 6 !important; grid-row:span auto !important;}
  .widget.collapsed{grid-row:auto !important;}
  .topbar .sub{display:none;}
  .brand .sub{display:none;}
}
@media (max-width:560px){
  .themes{display:none;}
  .top-search{max-width:none;}
}