:root {
  --teal: #62BBC1;
  --ink: #010400;
  --white: #FFFFFF;
  --bg: #FFFFFF;
  --fg: #010400;
  --muted: #5B6466;
  --card: #F3FAFB;
  --line: #D6ECEE;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) { --bg: #010400; --fg: #FFFFFF; --muted: #A9B4B6; --card: #0E1A1B; --line: #1F3133; }
}
:root[data-theme="dark"] { --bg: #010400; --fg: #FFFFFF; --muted: #A9B4B6; --card: #0E1A1B; --line: #1F3133; }

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--bg);
  color: var(--fg);
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans", "Noto Sans Khmer", "Noto Sans SC", sans-serif;
  padding-bottom: calc(110px + env(safe-area-inset-bottom));
}
.hero { background: var(--ink); color: var(--white); padding: 24px 16px 20px; border-bottom: 4px solid var(--teal); }
.logo { display: block; width: 200px; height: auto; margin-left: -8px; }
.greeting { margin: 14px 0 0; font-size: 16px; }
.badge { display: inline-block; margin-top: 10px; padding: 3px 10px; border-radius: 999px; background: var(--teal); color: var(--ink); font-size: 12px; font-weight: 600; }
main { padding: 20px 16px; }
h2 { font-size: 13px; text-transform: uppercase; letter-spacing: 1.5px; color: var(--muted); margin: 0 0 12px; }
.cards { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.card { background: var(--card); border: 1px solid var(--line); border-left: 4px solid var(--teal); border-radius: 12px; padding: 14px; }
.card h3 { margin: 0 0 4px; font-size: 16px; }
.card p { margin: 0; color: var(--muted); font-size: 14px; }
.card .from { margin-top: 8px; font-weight: 600; color: var(--fg); font-size: 13px; }
.skeleton { height: 86px; opacity: .5; }
.error { color: #B3261E; }
footer { position: fixed; inset: auto 0 0 0; background: var(--bg); border-top: 1px solid var(--line); padding: 12px 16px calc(12px + env(safe-area-inset-bottom)); text-align: center; }
.cta { width: 100%; border: 0; border-radius: 12px; padding: 14px; font: inherit; font-weight: 700; background: var(--teal); color: var(--ink); cursor: pointer; }
.cta:active { transform: translateY(1px); }
footer small { display: block; margin-top: 6px; color: var(--muted); font-size: 11px; }

.links { display: flex; flex-wrap: wrap; justify-content: center; gap: 6px 14px; padding: 16px; font-size: 13px; }
.links a { color: var(--muted); text-decoration: none; border-bottom: 1px solid var(--line); }
.links a:hover { color: var(--fg); border-color: var(--teal); }