/* =========================================================================
   SOLAR GLASS DEEP REPORT — Shared Stylesheet
   Light theme: BBC News | Dark theme: Bloomberg Terminal
   ========================================================================= */

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{font-size:16px;-webkit-text-size-adjust:100%;font-variant-numeric:tabular-nums lining-nums;scroll-behavior:smooth}
body{
  font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'PingFang SC','Hiragino Sans GB','Microsoft YaHei',sans-serif;
  line-height:1.55;overflow-x:hidden;transition:background .25s,color .25s;
  background:var(--bg);color:var(--text);
}

/* ===== LIGHT THEME (BBC) ===== */
:root{
  --bg:#FFFFFF;--bg-card:#FFFFFF;--border:#E8E8E8;--text:#1A1A1A;--text-muted:#6B7280;
  --accent:#BB1919;--accent-hover:#9A1515;--accent-light:rgba(187,25,25,0.08);
  --surface:#F7F7F7;--kpi-bg:#FAFAFA;
  --up:#16a34a;--down:#dc2626;--flat:#9ca3af;
  --navy:#003D7A;--orange:#FA8C16;--green:#00C853;
  --chart-grid:rgba(0,0,0,0.06);--chart-text:#666;
  --shadow:0 1px 3px rgba(0,0,0,0.08);--shadow-lg:0 6px 20px rgba(0,0,0,0.08);
}

/* ===== DARK THEME (Bloomberg) ===== */
[data-theme="dark"]{
  --bg:#0d1117;--bg-card:#161b22;--border:#30363d;--text:#E6EDF3;--text-muted:#8b949e;
  --accent:#FF6600;--accent-hover:#e65c00;--accent-light:rgba(255,102,0,0.14);
  --surface:#161b22;--kpi-bg:#1c2128;
  --up:#3fb950;--down:#f85149;--flat:#6e7681;
  --navy:#58A6FF;--orange:#FF6600;--green:#3fb950;
  --chart-grid:rgba(255,255,255,0.07);--chart-text:#8b949e;
  --shadow:0 1px 3px rgba(0,0,0,0.4);--shadow-lg:0 6px 20px rgba(0,0,0,0.45);
}

/* ===== TOP UTILITY BAR ===== */
.util-bar{
  position:sticky;top:0;z-index:100;
  background:var(--bg);border-bottom:1px solid var(--border);
  display:flex;align-items:center;justify-content:space-between;
  padding:10px 24px;font-size:13px;backdrop-filter:saturate(140%) blur(8px);
}
.util-bar .brand{display:flex;align-items:center;gap:10px;font-weight:700;color:var(--text);text-decoration:none}
.util-bar .brand-strip{display:inline-block;width:4px;height:18px;background:var(--orange);border-radius:1px}
.util-bar .brand-name{font-size:14px;letter-spacing:-.01em}
.util-bar .brand-name span{color:var(--text-muted);font-weight:500;margin-left:6px;font-size:12px}
.util-bar .util-right{display:flex;gap:6px;align-items:center}
.util-btn{
  border:1px solid var(--border);background:transparent;color:var(--text);
  padding:6px 12px;border-radius:6px;cursor:pointer;font-size:12px;
  display:inline-flex;align-items:center;gap:6px;transition:all .15s;
}
.util-btn:hover{background:var(--surface);border-color:var(--accent)}
.util-btn.active{background:var(--accent);color:#fff;border-color:var(--accent)}

/* ===== HERO HEADER ===== */
.hero{padding:36px 24px 12px;max-width:1240px;margin:0 auto}
.hero .eyebrow{
  font-size:11px;letter-spacing:.22em;text-transform:uppercase;
  color:var(--orange);font-weight:700;margin-bottom:10px;
  display:flex;align-items:center;gap:10px;
}
.hero .eyebrow::before{content:"";display:inline-block;width:24px;height:2px;background:var(--orange)}
.hero h1{
  font-size:34px;font-weight:700;letter-spacing:-.015em;color:var(--text);
  line-height:1.15;margin-bottom:8px;
}
.hero h1 .accent{color:var(--accent)}
.hero .sub{font-size:15px;color:var(--text-muted);max-width:780px;line-height:1.6}
.hero .meta{
  display:flex;gap:24px;flex-wrap:wrap;margin-top:18px;padding-top:14px;
  border-top:1px solid var(--border);font-size:12px;color:var(--text-muted);
}
.hero .meta b{color:var(--text);font-weight:600}

/* ===== TAB NAV (10 pills) ===== */
.tab-nav-wrap{
  background:var(--bg);border-bottom:1px solid var(--border);
  position:sticky;top:46px;z-index:90;
}
.tab-nav{
  max-width:1240px;margin:0 auto;padding:12px 24px;
  display:grid;grid-template-columns:repeat(5,1fr);gap:8px;
}
.tab-pill{
  padding:8px 10px;border-radius:20px;font-size:12.5px;
  font-weight:600;color:var(--text-muted);text-decoration:none;
  border:1px solid var(--border);background:var(--bg-card);
  transition:all .15s;white-space:nowrap;
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  min-width:0;
}
.tab-pill > span:not(.num){overflow:hidden;text-overflow:ellipsis;min-width:0}
.tab-pill .num{
  font-size:10px;font-weight:700;color:var(--text-muted);
  background:var(--surface);padding:1px 6px;border-radius:8px;
  letter-spacing:.04em;
}
.tab-pill:hover{border-color:var(--accent);color:var(--text)}
.tab-pill.active{
  background:var(--accent);color:#fff;border-color:var(--accent);
}
.tab-pill.active .num{background:rgba(255,255,255,.22);color:#fff}

/* ===== MAIN CONTENT WRAP ===== */
.wrap{max-width:1240px;margin:0 auto;padding:28px 24px 64px}

/* ===== SECTION HEADING ===== */
.sec-head{margin-bottom:18px}
.sec-head h2{
  font-size:22px;font-weight:700;color:var(--text);
  letter-spacing:-.005em;margin-bottom:6px;
  display:flex;align-items:center;gap:10px;
}
.sec-head h2::before{
  content:"";display:inline-block;width:4px;height:22px;
  background:var(--accent);border-radius:1px;
}
.sec-head p{font-size:14px;color:var(--text-muted);line-height:1.6;max-width:820px}

/* ===== KPI GRID ===== */
.kpi-grid{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));
  gap:14px;margin-bottom:28px;
}
.kpi{
  background:var(--bg-card);border:1px solid var(--border);border-radius:10px;
  padding:18px;position:relative;overflow:hidden;transition:all .15s;
}
.kpi:hover{box-shadow:var(--shadow-lg);transform:translateY(-1px)}
.kpi::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:var(--accent)}
.kpi .lbl{font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--text-muted);font-weight:600}
.kpi .val{font-size:26px;font-weight:700;color:var(--text);margin-top:6px;font-feature-settings:"tnum";letter-spacing:-.01em}
.kpi .val .unit{font-size:13px;font-weight:500;color:var(--text-muted);margin-left:4px}
.kpi .delta{font-size:12px;margin-top:6px;font-weight:600}
.kpi .delta.up{color:var(--up)}
.kpi .delta.down{color:var(--down)}
.kpi .delta.flat{color:var(--flat)}
.kpi .note{font-size:11px;color:var(--text-muted);margin-top:6px;line-height:1.4}

/* ===== CARDS ===== */
.card{
  background:var(--bg-card);border:1px solid var(--border);border-radius:10px;
  padding:22px;margin-bottom:18px;transition:box-shadow .15s;
}
.card:hover{box-shadow:var(--shadow)}
.card .ttl{
  font-size:15px;font-weight:700;color:var(--text);margin-bottom:14px;
  display:flex;align-items:center;justify-content:space-between;
}
.card .ttl .src{font-size:10px;color:var(--text-muted);font-weight:500;letter-spacing:.06em}

/* ===== CHART HOST ===== */
.chart-host{position:relative;height:340px;width:100%}
.chart-host.short{height:240px}
.chart-host.tall{height:440px}

/* ===== TABLE ===== */
table{width:100%;border-collapse:collapse;font-size:13px}
th{
  text-align:left;font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--text-muted);padding:10px 12px;border-bottom:2px solid var(--border);font-weight:700;
}
th.r,td.r{text-align:right}
td{padding:11px 12px;border-bottom:1px solid var(--border);color:var(--text);vertical-align:top}
tbody tr:hover{background:var(--surface)}
td b{font-weight:600;color:var(--text)}
td .pill{
  display:inline-block;font-size:10px;letter-spacing:.08em;padding:2px 8px;
  border-radius:10px;font-weight:700;text-transform:uppercase;
}
td .pill.up{background:rgba(22,163,74,.12);color:var(--up)}
td .pill.down{background:rgba(220,38,38,.12);color:var(--down)}
td .pill.flat{background:rgba(156,163,175,.18);color:var(--flat)}

/* ===== TWO-COL LAYOUT ===== */
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.three-col{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
@media (max-width:880px){
  .two-col,.three-col{grid-template-columns:1fr}
}

/* ===== CALLOUT ===== */
.callout{
  background:var(--accent-light);border-left:3px solid var(--accent);
  padding:14px 18px;border-radius:6px;margin:14px 0;font-size:13.5px;line-height:1.6;color:var(--text);
}
.callout b{color:var(--accent)}

/* ===== FOOTER ===== */
.foot{
  margin-top:48px;padding:24px;border-top:1px solid var(--border);
  text-align:center;font-size:11.5px;color:var(--text-muted);letter-spacing:.06em;line-height:1.7;
}
.foot b{color:var(--text);font-weight:600;letter-spacing:0}
.foot .row{margin-bottom:6px}

/* ===== UTILITIES ===== */
.lang-en .zh{display:none}
.lang-zh .en{display:none}

/* ===== LEAFLET CONTAINER ===== */
#map{height:520px;border-radius:8px;overflow:hidden;border:1px solid var(--border)}
[data-theme="dark"] .leaflet-tile{filter:brightness(.65) saturate(.8) hue-rotate(180deg) invert(1)}

/* ===== SCROLL TOP ===== */
.scroll-top{
  position:fixed;bottom:24px;right:24px;width:42px;height:42px;border-radius:50%;
  background:var(--accent);color:#fff;border:none;cursor:pointer;
  display:none;align-items:center;justify-content:center;font-size:18px;
  box-shadow:var(--shadow-lg);z-index:50;
}
.scroll-top.visible{display:flex}

@media (max-width:680px){
  .hero h1{font-size:26px}
  .hero{padding:24px 16px 8px}
  .wrap{padding:20px 16px 48px}
  .util-bar{padding:10px 16px}
  .tab-nav{padding:10px 12px;grid-template-columns:repeat(5,1fr);gap:6px}
  .tab-pill{padding:7px 6px;font-size:11px;gap:4px}
  .tab-pill .num{font-size:9px;padding:1px 4px}
}

/* ===== REALTIME QUOTES TABLE ===== */
#sg-realtime-quotes{
  background:var(--bg-card);border:1px solid var(--border);border-radius:8px;
  overflow:hidden;margin:18px 0;
}
.sg-realtime-head{
  padding:12px 16px;border-bottom:1px solid var(--border);
  font-size:12px;color:var(--text-muted);
  display:flex;justify-content:space-between;align-items:center;
  background:var(--surface);
}
.sg-realtime-head .ts{font-variant-numeric:tabular-nums;font-size:11px;letter-spacing:.04em}
.sg-rt-tablewrap{overflow-x:auto}
.sg-rt-table{width:100%;border-collapse:collapse;font-size:13.5px}
.sg-rt-table th{
  background:var(--surface);text-align:left;padding:10px 14px;
  font-weight:600;font-size:11.5px;letter-spacing:.05em;text-transform:uppercase;
  color:var(--text-muted);border-bottom:1px solid var(--border);
}
.sg-rt-table td{padding:11px 14px;border-bottom:1px solid var(--border);vertical-align:top}
.sg-rt-table tr:last-child td{border-bottom:none}
.sg-rt-table td.rank{color:var(--text-muted);font-size:12px;font-weight:600;width:48px}
.sg-rt-table td.num{font-variant-numeric:tabular-nums;text-align:right;white-space:nowrap}
.sg-rt-table td.up{color:var(--up);font-weight:600}
.sg-rt-table td.down{color:var(--down);font-weight:600}
.sg-rt-table td.flat{color:var(--flat)}
.sg-rt-table .ticker{color:var(--text-muted);font-size:11px;font-variant-numeric:tabular-nums}
.sg-rt-table .ccy{color:var(--text-muted);font-size:10.5px;margin-left:4px}
.sg-rt-foot{padding:10px 16px;font-size:11.5px;color:var(--text-muted);line-height:1.6;border-top:1px solid var(--border);background:var(--surface)}

/* ===== KPI HERO STRIP ===== */
.kpi-strip{
  display:grid;grid-template-columns:repeat(6,1fr);gap:12px;margin:18px 0 24px;
}
@media (max-width:980px){.kpi-strip{grid-template-columns:repeat(3,1fr)}}
@media (max-width:540px){.kpi-strip{grid-template-columns:repeat(2,1fr)}}
.kpi-cell{
  background:var(--bg-card);border:1px solid var(--border);border-radius:8px;
  padding:14px 16px;
}
.kpi-cell .lbl{font-size:11px;color:var(--text-muted);letter-spacing:.08em;text-transform:uppercase;margin-bottom:6px}
.kpi-cell .val{font-size:22px;font-weight:700;color:var(--text);font-variant-numeric:tabular-nums;letter-spacing:-.01em;line-height:1.1}
.kpi-cell .val .u{font-size:11px;font-weight:500;color:var(--text-muted);margin-left:4px;letter-spacing:.04em}
.kpi-cell .delta{font-size:11px;margin-top:6px;font-weight:600}
.kpi-cell .delta.up{color:var(--up)}
.kpi-cell .delta.down{color:var(--down)}
.kpi-cell .delta.flat{color:var(--flat)}

/* ===== CHART CONTAINER ===== */
.chart-wrap{
  background:var(--bg-card);border:1px solid var(--border);border-radius:8px;
  padding:18px;margin:14px 0;
}
.chart-wrap .chart-head{
  display:flex;justify-content:space-between;align-items:baseline;margin-bottom:10px;
}
.chart-wrap .chart-head h3{font-size:14px;font-weight:600;color:var(--text);letter-spacing:-.005em}
.chart-wrap .chart-head .sub{font-size:11px;color:var(--text-muted)}
.chart-canvas-wrap{position:relative;height:320px}
.chart-canvas-wrap.tall{height:420px}

/* ===== TIMELINE (Tab 07) ===== */
.timeline{position:relative;margin:18px 0;padding-left:22px}
.timeline::before{content:"";position:absolute;left:6px;top:6px;bottom:6px;width:2px;background:var(--border)}
.tl-event{position:relative;padding:0 0 18px 16px}
.tl-event::before{content:"";position:absolute;left:-22px;top:6px;width:11px;height:11px;border-radius:50%;background:var(--accent);border:2px solid var(--bg)}
.tl-event .date{font-size:11px;color:var(--orange);font-weight:700;letter-spacing:.06em;text-transform:uppercase;margin-bottom:3px}
.tl-event .ttl{font-size:14px;font-weight:600;color:var(--text);margin-bottom:4px}
.tl-event .body{font-size:13px;color:var(--text-muted);line-height:1.6}

/* ===== OBSERVATION CARDS (Tab 10) ===== */
.obs-card{
  background:var(--bg-card);border:1px solid var(--border);border-left:3px solid var(--orange);
  border-radius:6px;padding:18px 20px;margin:14px 0;
}
.obs-card .obs-num{font-size:11px;letter-spacing:.18em;color:var(--orange);font-weight:700;text-transform:uppercase}
.obs-card h3{font-size:18px;font-weight:600;color:var(--text);margin:6px 0 10px;letter-spacing:-.01em;line-height:1.3}
.obs-card p{font-size:14px;color:var(--text);line-height:1.65}
.obs-card .watch{
  margin-top:12px;padding:10px 14px;background:var(--surface);border-radius:6px;
  font-size:12.5px;color:var(--text-muted);line-height:1.55;
}
.obs-card .watch b{color:var(--text)}

/* ===== EXPLICIT TBL ALIAS ===== */
table.tbl{width:100%;border-collapse:collapse;font-size:13px;margin-top:6px}
table.tbl th{text-align:left;font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--text-muted);padding:10px 12px;border-bottom:2px solid var(--border);font-weight:700}
table.tbl th.num,table.tbl td.num{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}
table.tbl td{padding:11px 12px;border-bottom:1px solid var(--border);color:var(--text);vertical-align:top}
table.tbl tr:last-child td{border-bottom:none}
table.tbl tr:hover td{background:var(--surface)}

/* ===== CARD .row (Tab 04 inline kv) ===== */
.card .row{display:flex;justify-content:space-between;align-items:baseline;padding:7px 0;border-bottom:1px dashed var(--border);font-size:13px}
.card .row:last-child{border-bottom:none}
.card .row > span:first-child{color:var(--text-muted)}
.card .row > b{font-variant-numeric:tabular-nums;color:var(--text)}