:root {
  --bg: #0f1419;
  --panel: #1a222c;
  --text: #e7ecf1;
  --muted: #9aa7b5;
  --line: rgba(255, 255, 255, 0.08);
  --ok: #3ecf8e;
  --warn: #f0b429;
  --bad: #f07178;
  --accent: #5b9fd4;
  --shopee: #ee4d2d;
  --lazada: #0f146d;
  --tiktok: #25f4ee;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "IBM Plex Sans Thai", "Sarabun", "Segoe UI", sans-serif;
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(91, 159, 212, 0.18), transparent 55%),
    radial-gradient(900px 500px at 100% 0%, rgba(238, 77, 45, 0.12), transparent 50%),
    var(--bg);
  color: var(--text);
  line-height: 1.55;
  min-height: 100vh;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.wrap {
  max-width: 52rem;
  margin: 0 auto;
  padding: 2rem 1.25rem 4rem;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  margin-bottom: 1.75rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--line);
  font-size: 0.92rem;
}

.nav a {
  color: var(--muted);
}

.nav a.active {
  color: var(--text);
  font-weight: 600;
}

.eyebrow {
  color: var(--muted);
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin: 0 0 0.4rem;
}

h1 {
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  line-height: 1.25;
  margin: 0 0 0.75rem;
  font-weight: 700;
}

.lead {
  color: var(--muted);
  font-size: 1.02rem;
  margin: 0 0 1.75rem;
  max-width: 40rem;
}

.grid {
  display: grid;
  gap: 1rem;
}

@media (min-width: 720px) {
  .grid.platforms {
    grid-template-columns: repeat(3, 1fr);
  }
}

.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 0.85rem;
  padding: 1.15rem 1.2rem;
  display: block;
  color: inherit;
  transition: border-color 0.15s ease, transform 0.15s ease;
}

a.card:hover {
  text-decoration: none;
  border-color: rgba(91, 159, 212, 0.45);
  transform: translateY(-1px);
}

.card h2 {
  margin: 0 0 0.35rem;
  font-size: 1.15rem;
}

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

.badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.15rem 0.45rem;
  border-radius: 999px;
  margin-bottom: 0.55rem;
}

.badge.ok {
  background: rgba(62, 207, 142, 0.15);
  color: var(--ok);
}

.badge.warn {
  background: rgba(240, 180, 41, 0.15);
  color: var(--warn);
}

.badge.bad {
  background: rgba(240, 113, 120, 0.15);
  color: var(--bad);
}

.platform-dot {
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  display: inline-block;
  margin-right: 0.4rem;
  vertical-align: middle;
}

.platform-dot.shopee {
  background: var(--shopee);
}
.platform-dot.lazada {
  background: #1a42ff;
}
.platform-dot.tiktok {
  background: var(--tiktok);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  margin: 0 0 1.5rem;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 0.75rem;
  overflow: hidden;
}

th,
td {
  text-align: left;
  padding: 0.75rem 0.85rem;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

th {
  color: var(--muted);
  font-weight: 600;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  background: rgba(0, 0, 0, 0.2);
}

tr:last-child td {
  border-bottom: none;
}

h2 {
  font-size: 1.15rem;
  margin: 1.75rem 0 0.65rem;
}

h3 {
  font-size: 1rem;
  margin: 1.25rem 0 0.45rem;
}

ul {
  margin: 0 0 1rem;
  padding-left: 1.2rem;
  color: var(--muted);
}

ul strong {
  color: var(--text);
}

.note {
  border-left: 3px solid var(--accent);
  padding: 0.65rem 0.85rem;
  background: rgba(91, 159, 212, 0.08);
  border-radius: 0 0.5rem 0.5rem 0;
  color: var(--muted);
  font-size: 0.92rem;
  margin: 1rem 0 1.5rem;
}

.footer {
  margin-top: 2.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.82rem;
}

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.85em;
  background: rgba(255, 255, 255, 0.06);
  padding: 0.1rem 0.35rem;
  border-radius: 0.3rem;
}