/* ChiCom Dashboard — clean analytics aesthetic */
:root {
  --bg: #fafaf9;
  --panel: #ffffff;
  --panel-2: #f5f5f4;
  --border: #e7e5e4;
  --border-strong: #d6d3d1;
  --text: #1c1917;
  --text-2: #57534e;
  --text-3: #a8a29e;
  --accent: #4f46e5;
  --accent-soft: color-mix(in oklch, var(--accent) 12%, transparent);
  --accent-line: color-mix(in oklch, var(--accent) 40%, transparent);
  --pos: oklch(0.62 0.15 155);
  --neg: oklch(0.60 0.20 25);
  --warn: oklch(0.75 0.15 75);
  --mono: ui-monospace, 'JetBrains Mono', SFMono-Regular, Menlo, monospace;
  --sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --radius: 10px;
  --radius-sm: 6px;
  --shadow-xs: 0 1px 0 rgba(0,0,0,0.03);
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.04), 0 0 0 1px rgba(0,0,0,0.04);
}

[data-theme="dark"] {
  --bg: #0a0a0a;
  --panel: #141414;
  --panel-2: #1c1c1c;
  --border: #262626;
  --border-strong: #333333;
  --text: #fafafa;
  --text-2: #a1a1aa;
  --text-3: #71717a;
  --accent-soft: color-mix(in oklch, var(--accent) 18%, transparent);
  --shadow-xs: 0 1px 0 rgba(255,255,255,0.03);
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.3), 0 0 0 1px rgba(255,255,255,0.04);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--text);
  font-feature-settings: 'cv11', 'ss01', 'ss03';
  -webkit-font-smoothing: antialiased;
  font-size: 14px;
  line-height: 1.45;
}

.mono { font-family: var(--mono); font-feature-settings: 'tnum', 'zero'; }

/* ============ Top bar ============ */
.topbar {
  position: sticky; top: 0; z-index: 40;
  background: color-mix(in oklch, var(--bg) 82%, transparent);
  backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 1px solid var(--border);
}
.topbar-inner {
  max-width: 1440px; margin: 0 auto;
  padding: 12px 32px;
  display: flex; align-items: center; gap: 24px;
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 600; letter-spacing: -0.01em; }
.brand-mark {
  width: 22px; height: 22px; border-radius: 5px;
  background: var(--text); color: var(--bg);
  display: grid; place-items: center;
  font-family: var(--mono); font-size: 11px; font-weight: 700;
}
.brand-sub { color: var(--text-3); font-size: 12px; font-weight: 400; margin-left: 4px; }
.nav-pills { display: flex; gap: 2px; background: var(--panel-2); padding: 3px; border-radius: 8px; border: 1px solid var(--border); }
.nav-pill {
  padding: 5px 10px; font-size: 12px; color: var(--text-2);
  border-radius: 5px; cursor: pointer; font-family: var(--mono);
  border: 0; background: transparent; transition: 0.15s;
}
.nav-pill:hover { color: var(--text); }
.nav-pill.active { background: var(--panel); color: var(--text); box-shadow: var(--shadow-xs); }
.topbar-right { margin-left: auto; display: flex; align-items: center; gap: 8px; }
.chip {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 8px; font-size: 11px; color: var(--text-2);
  background: var(--panel); border: 1px solid var(--border); border-radius: 6px;
  font-family: var(--mono);
}
.chip-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--pos); }

/* ============ Layout ============ */
.page {
  max-width: 1440px; margin: 0 auto; padding: 32px;
}
.page-header { margin-bottom: 28px; }
.page-header h1 {
  font-size: 28px; font-weight: 600; letter-spacing: -0.02em; margin: 0 0 6px;
}
.page-header p { margin: 0; color: var(--text-2); font-size: 14px; max-width: 680px; }

/* KPI strip */
.kpi-strip {
  display: grid; grid-template-columns: repeat(6, 1fr); gap: 1px;
  background: var(--border); border: 1px solid var(--border); border-radius: var(--radius);
  overflow: hidden; margin-bottom: 32px;
}
.kpi { background: var(--panel); padding: 16px 18px; }
.kpi-label { font-size: 11px; color: var(--text-3); font-family: var(--mono); text-transform: uppercase; letter-spacing: 0.04em; }
.kpi-value { font-size: 24px; font-weight: 600; letter-spacing: -0.02em; margin-top: 6px; }
.kpi-delta { font-size: 11px; margin-top: 4px; font-family: var(--mono); color: var(--text-3); }
.kpi-delta.up { color: var(--pos); }
.kpi-delta.down { color: var(--neg); }
.kpi-sparkline { margin-top: 8px; height: 24px; }

/* Filter rail */
.filter-rail {
  display: flex; align-items: center; gap: 8px; margin-bottom: 32px;
  flex-wrap: wrap;
}
.filter-rail-label { font-size: 11px; color: var(--text-3); font-family: var(--mono); text-transform: uppercase; letter-spacing: 0.04em; }
.seg {
  display: inline-flex; background: var(--panel); border: 1px solid var(--border); border-radius: 7px; padding: 2px;
}
.seg button {
  padding: 5px 10px; font-size: 12px; font-family: var(--mono);
  background: transparent; border: 0; color: var(--text-2); border-radius: 5px; cursor: pointer;
}
.seg button.on { background: var(--text); color: var(--bg); }

/* ============ Question section ============ */
.qsection {
  margin-bottom: 56px;
  scroll-margin-top: 80px;
}
.qhead {
  display: flex; align-items: flex-start; gap: 14px; margin-bottom: 20px;
  padding-bottom: 14px; border-bottom: 2px solid var(--border);
}
.qnum {
  background: oklch(0.55 0.16 45);
  color: #fff;
  font-family: var(--mono); font-size: 11px; font-weight: 700; letter-spacing: 0.06em;
  padding: 5px 10px; border-radius: 5px; border: none;
  flex-shrink: 0; margin-top: 3px;
}
[data-theme="dark"] .qnum { background: oklch(0.60 0.18 45); }
.qtitle h2 {
  margin: 0; font-size: 19px; font-weight: 700; line-height: 1.35; letter-spacing: -0.01em;
}
.qtitle .qscope {
  margin-top: 4px; color: var(--text-3); font-size: 12.5px; font-style: italic; line-height: 1.5;
}
.qtitle .qsub {
  margin-top: 4px; color: var(--text-2); font-size: 13px;
}
.qtitle .qsub .en { color: var(--text-3); font-style: italic; }

/* Card */
.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
}
.card-head {
  display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px;
}
.card-title { font-size: 13px; font-weight: 600; letter-spacing: -0.005em; }
.card-title .en { color: var(--text-3); font-weight: 400; margin-left: 6px; font-size: 12px; }
.card-meta { font-family: var(--mono); font-size: 11px; color: var(--text-3); }

/* Grids */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; }
.grid-12 { display: grid; grid-template-columns: repeat(12, 1fr); gap: 16px; }
.col-4 { grid-column: span 4; }
.col-5 { grid-column: span 5; }
.col-6 { grid-column: span 6; }
.col-7 { grid-column: span 7; }
.col-8 { grid-column: span 8; }
.col-12 { grid-column: span 12; }

/* Heatmap legend */
.legend {
  display: inline-flex; align-items: center; gap: 6px; font-family: var(--mono); font-size: 10px; color: var(--text-3);
}
.legend-swatch { width: 12px; height: 12px; border-radius: 2px; }
.legend-bins { display: flex; gap: 4px; align-items: center; }

/* Table-ish */
.rowbar { display: grid; grid-template-columns: 220px 1fr 48px; align-items: center; gap: 10px; padding: 4px 0; font-size: 12px; }
.rowbar-label { color: var(--text); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.rowbar-track { height: 8px; background: var(--panel-2); border-radius: 3px; overflow: hidden; position: relative; }
.rowbar-fill { height: 100%; border-radius: 3px; background: var(--accent); }
.rowbar-value { font-family: var(--mono); font-size: 11px; color: var(--text-2); text-align: right; }

/* Anchor nav */
.anchor-rail {
  background: var(--bg);
  padding: 8px 0;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--border);
}
.anchor-list {
  display: flex; align-items: flex-start; gap: 16px;
  max-width: 1440px; margin: 0 auto; padding: 0 32px;
}
.anchor-list .filter-rail-label { padding-top: 5px; flex-shrink: 0; }
.anchor-grid {
  flex: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: repeat(7, auto);
  grid-auto-flow: column;
  gap: 4px 32px;
}
.anchor-grid a {
  font-family: var(--mono); font-size: 11px; text-decoration: none;
  padding: 4px 8px; color: var(--text-3); border-radius: 5px;
  border: 1px solid transparent;
}
.anchor-grid a:hover { color: var(--text); background: var(--panel-2); border-color: var(--border); }

@media (max-width: 720px) {
  .anchor-grid { grid-template-columns: 1fr; grid-template-rows: none; grid-auto-flow: row; }
}

/* SVG chart helpers */
.axis-label { font-family: var(--mono); font-size: 10px; fill: var(--text-3); }
.axis-tick { font-family: var(--mono); font-size: 10px; fill: var(--text-3); }
.axis-line { stroke: var(--border); stroke-width: 1; }
.grid-line { stroke: var(--border); stroke-width: 1; stroke-dasharray: 2 3; }

/* Tweaks panel */
.tweaks {
  position: fixed; bottom: 20px; right: 20px;
  background: var(--panel); border: 1px solid var(--border); border-radius: 10px;
  padding: 14px; width: 240px; z-index: 100;
  box-shadow: 0 10px 40px rgba(0,0,0,0.12);
  font-size: 12px;
}
.tweaks h4 { margin: 0 0 10px; font-size: 11px; font-family: var(--mono); text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-3); }
.tweak-row { display: flex; align-items: center; justify-content: space-between; margin-bottom: 8px; }
.tweak-row label { color: var(--text-2); }
.swatch-row { display: flex; gap: 6px; }
.swatch-row button {
  width: 22px; height: 22px; border-radius: 50%; border: 2px solid transparent; cursor: pointer;
  outline: 1px solid var(--border);
}
.swatch-row button.on { border-color: var(--panel); outline: 2px solid var(--text); }

/* tooltip */
.tt {
  position: fixed; pointer-events: none; z-index: 999;
  background: var(--text); color: var(--bg);
  padding: 6px 9px; border-radius: 5px; font-size: 11px; font-family: var(--mono);
  white-space: nowrap; opacity: 0; transition: opacity 0.12s;
  box-shadow: 0 4px 14px rgba(0,0,0,0.2);
}
.tt.show { opacity: 1; }
.tt b { color: var(--bg); font-weight: 600; }

/* badge */
.badge {
  display: inline-flex; align-items: center; padding: 2px 6px; border-radius: 4px;
  font-family: var(--mono); font-size: 10px; text-transform: uppercase; letter-spacing: 0.04em;
  border: 1px solid var(--border); color: var(--text-2); background: var(--panel-2);
}
.badge.soa { color: oklch(0.55 0.17 25); border-color: oklch(0.85 0.06 25); background: oklch(0.97 0.02 25); }
.badge.ec  { color: oklch(0.45 0.14 155); border-color: oklch(0.85 0.06 155); background: oklch(0.97 0.02 155); }
[data-theme="dark"] .badge.soa { color: oklch(0.80 0.14 25); background: color-mix(in oklch, oklch(0.55 0.17 25) 20%, transparent); border-color: color-mix(in oklch, oklch(0.55 0.17 25) 40%, transparent); }
[data-theme="dark"] .badge.ec  { color: oklch(0.80 0.14 155); background: color-mix(in oklch, oklch(0.45 0.14 155) 20%, transparent); border-color: color-mix(in oklch, oklch(0.45 0.14 155) 40%, transparent); }

/* divider for stacked block */
.legend-inline { display: flex; gap: 12px; align-items: center; font-size: 11px; color: var(--text-2); }
.legend-inline .dot { width: 8px; height: 8px; border-radius: 2px; display: inline-block; margin-right: 4px; vertical-align: middle; }

/* responsive */
@media (max-width: 1100px) {
  .kpi-strip { grid-template-columns: repeat(2, 1fr); }
  .grid-12 .col-4, .grid-12 .col-5, .grid-12 .col-6, .grid-12 .col-7, .grid-12 .col-8 { grid-column: span 12; }
}

/* ── Expert Insight Panel (Nhận định & Khuyến nghị) ─────────────────── */
.ei-panel {
  margin-top: 18px;
  padding: 20px 22px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-xs);
  --ei-soa: oklch(0.45 0.12 160);
  --ei-soa-bg: oklch(0.97 0.02 160);
  --ei-ec: oklch(0.45 0.15 265);
  --ei-ec-bg: oklch(0.97 0.02 265);
  --ei-warn: oklch(0.50 0.14 60);
  --ei-warn-bg: oklch(0.97 0.04 60);
  --ei-danger: oklch(0.50 0.18 25);
  --ei-danger-bg: oklch(0.97 0.03 25);
  --ei-both: oklch(0.55 0.16 45);
}
[data-theme="dark"] .ei-panel {
  --ei-soa-bg: color-mix(in oklch, oklch(0.55 0.14 160) 12%, transparent);
  --ei-ec-bg:  color-mix(in oklch, oklch(0.55 0.15 265) 12%, transparent);
  --ei-warn-bg:color-mix(in oklch, oklch(0.65 0.14 60) 12%, transparent);
  --ei-danger-bg: color-mix(in oklch, oklch(0.60 0.18 25) 12%, transparent);
}
.ei-panel-header {
  display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap;
  padding-bottom: 12px; margin-bottom: 14px;
  border-bottom: 1px solid var(--border);
}
.ei-panel-tag {
  font-size: 10px; font-weight: 800; letter-spacing: 0.12em; text-transform: uppercase;
  color: #fff; background: var(--ei-warn); border-radius: 4px; padding: 3px 9px;
}
.ei-panel-scope {
  font-size: 11px; color: var(--text-3); font-style: italic;
}

.ei-block-group { margin-top: 14px; }
.ei-block-group:first-of-type { margin-top: 0; }
.ei-section-title {
  font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--text-2); margin-bottom: 8px;
}

/* stats row */
.ei-stats {
  display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 14px;
}
.ei-stat {
  flex: 1 1 160px; min-width: 140px;
  background: var(--panel-2); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 10px 14px;
}
.ei-stat-label {
  font-size: 10px; color: var(--text-3); text-transform: uppercase; letter-spacing: 0.08em; font-weight: 700;
}
.ei-stat-value {
  font-size: 20px; font-weight: 800; font-variant-numeric: tabular-nums; margin-top: 2px;
}
.ei-stat-value.soa { color: var(--ei-soa); }
.ei-stat-value.ec  { color: var(--ei-ec); }
.ei-stat-value.warn{ color: var(--ei-warn); }
.ei-stat-note { font-size: 11px; color: var(--text-3); margin-top: 2px; }

/* findings */
.ei-finding {
  background: var(--panel-2); border: 1px solid var(--border);
  border-left: 4px solid var(--border-strong);
  border-radius: var(--radius-sm); padding: 14px 16px; margin-bottom: 10px;
  font-size: 13px; line-height: 1.65;
}
.ei-finding:last-child { margin-bottom: 0; }
.ei-finding.soa    { border-left-color: var(--ei-soa);    background: var(--ei-soa-bg); }
.ei-finding.ec     { border-left-color: var(--ei-ec);     background: var(--ei-ec-bg); }
.ei-finding.both   { border-left-color: var(--ei-both);   }
.ei-finding.warn   { border-left-color: var(--ei-warn);   background: var(--ei-warn-bg); }
.ei-finding.danger { border-left-color: var(--ei-danger); background: var(--ei-danger-bg); }
.ei-finding-label {
  font-size: 10px; font-weight: 800; letter-spacing: 0.12em; text-transform: uppercase;
  margin-bottom: 8px;
}
.ei-finding-label.soa    { color: var(--ei-soa); }
.ei-finding-label.ec     { color: var(--ei-ec); }
.ei-finding-label.both   { color: var(--ei-both); }
.ei-finding-label.warn   { color: var(--ei-warn); }
.ei-finding-label.danger { color: var(--ei-danger); }
.ei-finding-body p { margin: 0 0 6px; color: var(--text); }
.ei-finding-body p:last-child { margin-bottom: 0; }
.ei-finding-body strong { font-weight: 700; }

/* shared list inside findings */
.ei-list { list-style: none; margin: 6px 0 0; padding: 0; font-size: 13px; }
.ei-list li {
  padding: 3px 0 3px 16px; position: relative; color: var(--text);
}
.ei-list li::before {
  content: '→'; color: var(--ei-warn); position: absolute; left: 0; font-weight: 700;
}
.ei-pct      { font-weight: 700; color: var(--text-2); }
.ei-pct.high { color: var(--ei-soa); }
.ei-pct.mid  { color: var(--ei-ec); }
.ei-pct.warn { color: var(--ei-warn); }
.ei-hl       { background: oklch(0.95 0.08 60); border-radius: 3px; padding: 1px 5px; font-weight: 600; color: var(--ei-warn); }

/* table inside findings (Q4) */
.ei-table { width: 100%; border-collapse: collapse; font-size: 12.5px; margin-top: 4px; }
.ei-table th {
  text-align: left; padding: 7px 10px; background: var(--panel-2);
  font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em;
  color: var(--text-2); border-bottom: 2px solid var(--border);
}
.ei-table td { padding: 7px 10px; border-bottom: 1px solid var(--border); color: var(--text); }
.ei-table tr:hover td { background: var(--panel-2); }

/* tags */
.ei-tag {
  display: inline-block; border-radius: 3px; padding: 1px 7px;
  font-size: 10px; font-weight: 700; letter-spacing: 0.02em; margin-right: 4px;
}
.ei-tag.pos { background: oklch(0.95 0.05 155); color: oklch(0.35 0.14 155); }
.ei-tag.neg { background: oklch(0.95 0.05 25);  color: oklch(0.40 0.18 25); }
.ei-tag.neu { background: var(--panel-2);       color: var(--text-2); }

/* callouts (warnings, key findings) */
.ei-callout {
  display: flex; align-items: flex-start; gap: 8px;
  border-radius: var(--radius-sm); padding: 12px 16px; margin-bottom: 8px;
  font-size: 13px; line-height: 1.6; color: var(--text);
}
.ei-callout:last-child { margin-bottom: 0; }
.ei-callout-icon { font-size: 16px; flex-shrink: 0; margin-top: 1px; }
.ei-callout.orange { background: var(--ei-warn-bg);   border: 1px solid oklch(0.80 0.10 60); }
.ei-callout.green  { background: oklch(0.97 0.04 155); border: 1px solid oklch(0.80 0.10 155); }
.ei-callout.red    { background: var(--ei-danger-bg); border: 1px solid oklch(0.80 0.10 25); }
[data-theme="dark"] .ei-callout.green { background: color-mix(in oklch, oklch(0.55 0.14 155) 12%, transparent); }

/* recommendations */
.ei-rec-body {
  background: var(--panel-2); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 14px 16px;
}
.ei-rec-item {
  display: flex; gap: 10px; margin-bottom: 10px; align-items: flex-start;
  font-size: 13px; line-height: 1.65; color: var(--text);
}
.ei-rec-item:last-child { margin-bottom: 0; }
.ei-rec-num {
  min-width: 22px; height: 22px; background: var(--ei-warn); color: #fff;
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  font-size: 11px; font-weight: 800; flex-shrink: 0; margin-top: 1px;
}
.ei-rec-content strong { font-weight: 700; color: var(--ei-warn); }
.ei-rec-content em { color: var(--text-3); font-style: normal; font-size: 12px; display: block; margin-top: 3px; }

@media (max-width: 720px) {
  .ei-stat { flex: 1 1 100%; }
}

/* ── TimelineNav — fixed left rail, always on screen like an ebook TOC ──── */
/* body padding-left makes room so the rail cannot overlap content */
body { padding-left: 48px; }

.timeline-nav {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: 48px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  z-index: 50;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.02em;
  pointer-events: none;  /* only children catch clicks so the rail stays invisible */
}
.timeline-nav-item {
  pointer-events: auto;
  display: block;
  padding: 4px 8px;
  color: var(--text-3);
  text-decoration: none;
  transition: color 120ms;
}
.timeline-nav-item:hover { color: var(--text); }
.timeline-nav-item.on    { color: var(--accent); font-weight: 600; }

/* ── Mobile Responsive ─────────────────────────────────────────────── */
@media (max-width: 768px) {
  /* Remove timeline rail space */
  body { padding-left: 0 !important; }
  .timeline-nav { display: none; }

  /* Topbar */
  .topbar-inner { padding: 10px 16px; gap: 10px; flex-wrap: wrap; }
  .nav-pills { display: none; }
  .topbar-right .chip:not(:first-child) { display: none; }
  .brand-sub { display: none; }

  /* Page layout */
  .page { padding: 16px; }
  .page-header h1 { font-size: 20px; }
  .anchor-list { padding: 0 16px; }

  /* KPI strip */
  .kpi-strip { grid-template-columns: repeat(2, 1fr); }
  .kpi-value { font-size: 18px; }

  /* All grids collapse to single column */
  .grid-2 { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: 1fr; }
  .grid-12 { grid-template-columns: 1fr; }
  .grid-12 .col-4,
  .grid-12 .col-5,
  .grid-12 .col-6,
  .grid-12 .col-7,
  .grid-12 .col-8,
  .grid-12 .col-12 { grid-column: span 1; }

  /* Row bars — shrink label width */
  .rowbar { grid-template-columns: 120px 1fr 40px; font-size: 11px; }

  /* Section heading */
  .qtitle h2 { font-size: 15px; }

  /* Expert insight stats */
  .ei-stat { flex: 1 1 100%; }
  .ei-stats { gap: 8px; }

  /* Section banner */
  .section-banner { padding: 12px 16px; }

  /* Cards */
  .card { padding: 14px; }

  /* Anchor rail */
  .anchor-grid { grid-template-columns: 1fr; grid-template-rows: none; grid-auto-flow: row; }
}