:root {
  --bg: #0b0f19;
  --bg-elevated: #121826;
  --card: #161d2e;
  --card-border: #232c42;
  --text: #eef1f8;
  --text-muted: #9aa4bf;
  --accent: #4f7fff;
  --accent-2: #24d4a8;
  --accent-warn: #ff9f43;
  --accent-down: #ff5d7a;
  --radius: 16px;
  --max-width: 1180px;
  font-size: 16px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Noto Sans Thai", "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

img { max-width: 100%; }

a { color: inherit; }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
header.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(11, 15, 25, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--card-border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.1rem;
}

.brand-mark {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
}

.nav-links {
  display: flex;
  gap: 28px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 0.95rem;
  color: var(--text-muted);
}

.nav-links a { text-decoration: none; transition: color 0.15s; }
.nav-links a:hover { color: var(--text); }

/* Hero */
.hero {
  padding: 72px 0 48px;
  text-align: center;
}

.eyebrow {
  display: inline-block;
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(79, 127, 255, 0.12);
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 600;
  margin-bottom: 20px;
}

.hero h1 {
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  margin: 0 0 16px;
  letter-spacing: -0.02em;
}

.hero h1 span {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero p {
  max-width: 640px;
  margin: 0 auto;
  color: var(--text-muted);
  font-size: 1.05rem;
}

.hero-meta {
  margin-top: 20px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Stat cards */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin: 40px 0;
}

.stat-card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 22px;
}

.stat-label {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-bottom: 8px;
}

.stat-value {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.stat-delta {
  margin-top: 6px;
  font-size: 0.82rem;
  font-weight: 600;
}

.stat-delta.up { color: var(--accent-2); }
.stat-delta.down { color: var(--accent-down); }
.stat-delta.flat { color: var(--accent-warn); }

/* Section headings */
section { padding: 48px 0; }

.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 24px;
  flex-wrap: wrap;
  gap: 8px;
}

.section-head h2 {
  font-size: 1.5rem;
  margin: 0;
}

.section-head p {
  color: var(--text-muted);
  margin: 0;
  font-size: 0.92rem;
}

/* Charts */
.charts-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.chart-card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 20px;
}

.chart-card h3 {
  margin: 0 0 4px;
  font-size: 1.02rem;
}

.chart-card .chart-sub {
  color: var(--text-muted);
  font-size: 0.82rem;
  margin: 0 0 12px;
}

.chart-wrap { position: relative; height: 280px; }

/* Table */
.table-card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  overflow: hidden;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}

thead th {
  text-align: left;
  padding: 14px 18px;
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-bottom: 1px solid var(--card-border);
}

tbody td {
  padding: 14px 18px;
  border-bottom: 1px solid var(--card-border);
}

tbody tr:last-child td { border-bottom: none; }
tbody tr:hover { background: rgba(255,255,255,0.02); }

.country-cell { display: flex; align-items: center; gap: 10px; font-weight: 600; }

.flag {
  width: 28px;
  height: 20px;
  border-radius: 4px;
  background: var(--bg-elevated);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  color: var(--text-muted);
  border: 1px solid var(--card-border);
}

.pos { color: var(--accent-2); }
.neg { color: var(--accent-down); }

/* Table filter/search */
.table-toolbar {
  display: flex;
  gap: 10px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.table-toolbar input {
  flex: 1;
  min-width: 200px;
  background: var(--card);
  border: 1px solid var(--card-border);
  color: var(--text);
  padding: 10px 14px;
  border-radius: 10px;
  font-size: 0.9rem;
}

.table-toolbar input:focus {
  outline: none;
  border-color: var(--accent);
}

/* Footer */
footer {
  border-top: 1px solid var(--card-border);
  padding: 32px 0;
  color: var(--text-muted);
  font-size: 0.85rem;
}

footer .container {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}

/* Responsive */
@media (max-width: 900px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .charts-grid { grid-template-columns: 1fr; }
  .nav-links { display: none; }
}

@media (max-width: 520px) {
  .stats-grid { grid-template-columns: 1fr; }
  table { font-size: 0.82rem; }
  thead th, tbody td { padding: 10px 12px; }
}