/* EGEChat Blog — static HTML theme (matches main app look) */
:root {
  --bg: hsl(210 20% 97%);
  --fg: hsl(222 22% 12%);
  --muted: hsl(215 16% 46%);
  --card: #ffffff;
  --border: rgba(2, 6, 23, 0.08);

  --primary: #0a2540; /* app primary */
  --secondary: #33c3f0; /* app secondary */
  --accent: #2ec5ce; /* app accent */
  --gold: #f59e0b;
  --sage: #10b981;

  --shadow: 0 12px 40px rgba(2, 6, 23, 0.08);
  --radius: 14px;
  --radius-sm: 10px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: hsl(240 10% 6%);
    --fg: hsl(0 0% 96%);
    --muted: hsl(240 5% 65%);
    --card: hsl(240 10% 10%);
    --border: rgba(148, 163, 184, 0.18);
    --shadow: 0 18px 60px rgba(0, 0, 0, 0.35);
  }
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  color: var(--fg);
  background:
    radial-gradient(900px 500px at 20% 0%, rgba(51, 195, 240, 0.18), transparent 60%),
    radial-gradient(700px 420px at 80% 0%, rgba(16, 185, 129, 0.14), transparent 60%),
    radial-gradient(900px 520px at 50% 100%, rgba(245, 158, 11, 0.10), transparent 60%),
    var(--bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a {
  color: var(--secondary);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

a:hover {
  color: var(--accent);
}

img {
  max-width: 100%;
  height: auto;
}

.container {
  width: min(980px, calc(100% - 32px));
  margin-inline: auto;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 12px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 12px;
  z-index: 50;
}

.skip-link:focus {
  left: 12px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(10px);
  background: rgba(255, 255, 255, 0.72);
  background: color-mix(in oklab, var(--bg) 80%, transparent);
  border-bottom: 1px solid var(--border);
}

@media (prefers-color-scheme: dark) {
  .site-header {
    background: rgba(2, 6, 23, 0.55);
    background: color-mix(in oklab, var(--bg) 80%, transparent);
  }
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--fg);
  font-weight: 700;
  letter-spacing: -0.02em;
  text-decoration: none;
}

.brand-logo-wrap {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  overflow: hidden;
  flex: none;
  box-shadow: 0 10px 24px rgba(2, 6, 23, 0.14);
}

.brand-logo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transform: scale(1.12);
  transform-origin: center;
  display: block;
  background: transparent;
}

.brand span {
  font-family: "Playfair Display", Georgia, serif;
  font-size: 18px;
}

.header-nav {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.nav-link {
  color: var(--muted);
  color: color-mix(in oklab, var(--fg) 82%, transparent);
  text-decoration: none;
  font-weight: 600;
  font-size: 14px;
  padding: 8px 10px;
  border-radius: 10px;
}

.nav-link:hover {
  background: var(--card);
  background: color-mix(in oklab, var(--card) 70%, transparent);
  color: var(--fg);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 700;
  text-decoration: none;
  border-radius: 999px;
  padding: 10px 14px;
  border: 1px solid var(--border);
  background: var(--card);
  background: color-mix(in oklab, var(--card) 86%, transparent);
  color: var(--fg);
  box-shadow: 0 8px 22px rgba(2, 6, 23, 0.06);
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 26px rgba(2, 6, 23, 0.10);
}

.btn-primary {
  border-color: color-mix(in oklab, var(--sage) 40%, var(--border));
  background: linear-gradient(135deg, var(--primary), color-mix(in oklab, var(--primary) 55%, black));
  color: #ffffff;
}

.btn-primary:hover {
  filter: brightness(1.05);
}

.page {
  padding: 24px 0 56px;
}

.card {
  background: var(--card);
  background: color-mix(in oklab, var(--card) 92%, transparent);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.post {
  padding: 22px;
}

@media (min-width: 840px) {
  .post {
    padding: 30px 34px;
  }
}

.kicker {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  font-weight: 700;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: color-mix(in oklab, var(--muted) 85%, transparent);
}

.kicker::before {
  content: "";
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--gold), var(--sage));
  box-shadow: 0 8px 18px rgba(245, 158, 11, 0.22);
}

.post h1 {
  font-family: "Playfair Display", Georgia, serif;
  letter-spacing: -0.03em;
  line-height: 1.18;
  font-size: clamp(28px, 3.6vw, 44px);
  margin: 10px 0 10px;
}

.lead {
  margin: 10px 0 14px;
  color: color-mix(in oklab, var(--fg) 88%, var(--muted));
  font-size: 18px;
}

.meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 12px;
  color: var(--muted);
  font-size: 14px;
  margin-top: 6px;
}

.meta a {
  color: inherit;
}

.divider {
  height: 1px;
  background: var(--border);
  margin: 20px 0;
}

.toc {
  margin: 18px 0 22px;
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--card);
  background: color-mix(in oklab, var(--card) 86%, transparent);
}

.toc h2 {
  margin: 0 0 8px;
  font-size: 14px;
  letter-spacing: -0.01em;
}

.toc ul {
  margin: 0;
  padding-left: 18px;
}

.toc li {
  margin: 6px 0;
}

.content :is(h2, h3) {
  scroll-margin-top: 86px;
}

.content h2 {
  font-family: "Playfair Display", Georgia, serif;
  margin: 28px 0 10px;
  font-size: 26px;
  letter-spacing: -0.02em;
}

.content h3 {
  margin: 18px 0 8px;
  font-size: 18px;
}

.content p {
  margin: 10px 0;
}

.content p.preline {
  white-space: pre-line;
}

.content ul,
.content ol {
  padding-left: 22px;
  margin: 10px 0;
}

.content li {
  margin: 6px 0;
}

.content table {
  width: 100%;
  border-collapse: collapse;
  margin: 14px 0;
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  background: color-mix(in oklab, var(--card) 92%, transparent);
}

.content th,
.content td {
  border: 1px solid var(--border);
  padding: 10px 12px;
  vertical-align: middle;
}

.content th {
  font-weight: 700;
  background: color-mix(in oklab, var(--bg) 35%, var(--card));
}

.content tbody tr:nth-child(even) td {
  background: color-mix(in oklab, var(--bg) 55%, var(--card));
}

.content hr {
  border: 0;
  height: 1px;
  background: var(--border);
  margin: 22px 0;
}

.content strong {
  color: color-mix(in oklab, var(--fg) 92%, var(--primary));
}

.content code {
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  font-size: 0.95em;
  padding: 1px 6px;
  border-radius: 8px;
  background: var(--card);
  background: color-mix(in oklab, var(--card) 78%, transparent);
  border: 1px solid var(--border);
}

.content blockquote {
  margin: 16px 0;
  padding: 12px 14px;
  border-left: 4px solid color-mix(in oklab, var(--secondary) 60%, transparent);
  background: var(--card);
  background: color-mix(in oklab, var(--card) 84%, transparent);
  border-radius: 10px;
}

.callout {
  border: 1px solid color-mix(in oklab, var(--gold) 22%, var(--border));
  background: radial-gradient(600px 220px at 10% 0%, rgba(245, 158, 11, 0.16), transparent 55%),
    color-mix(in oklab, var(--card) 88%, transparent);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  margin: 18px 0;
}

.callout strong {
  color: var(--fg);
}

.box {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  margin: 16px 0;
  background: color-mix(in oklab, var(--card) 88%, transparent);
}

.box h3 {
  margin: 0 0 8px;
  font-size: 16px;
  letter-spacing: -0.01em;
}

.box ul,
.box ol {
  margin: 8px 0 0;
}

.box-blue {
  border-color: color-mix(in oklab, var(--secondary) 30%, var(--border));
  background:
    radial-gradient(600px 220px at 10% 0%, rgba(51, 195, 240, 0.18), transparent 55%),
    color-mix(in oklab, var(--card) 90%, transparent);
}

.box-sage {
  border-color: color-mix(in oklab, var(--sage) 28%, var(--border));
  background:
    radial-gradient(600px 220px at 10% 0%, rgba(16, 185, 129, 0.16), transparent 55%),
    color-mix(in oklab, var(--card) 90%, transparent);
}

.box-gold {
  border-color: color-mix(in oklab, var(--gold) 28%, var(--border));
  background:
    radial-gradient(600px 220px at 10% 0%, rgba(245, 158, 11, 0.16), transparent 55%),
    color-mix(in oklab, var(--card) 90%, transparent);
}

.box-danger {
  border-color: color-mix(in oklab, #ef4444 20%, var(--border));
  background:
    radial-gradient(600px 220px at 10% 0%, rgba(239, 68, 68, 0.12), transparent 55%),
    color-mix(in oklab, var(--card) 90%, transparent);
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: color-mix(in oklab, var(--card) 90%, transparent);
  color: color-mix(in oklab, var(--fg) 86%, var(--muted));
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.pill::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--gold), var(--sage));
}

details {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 10px 12px;
  background: var(--card);
  background: color-mix(in oklab, var(--card) 86%, transparent);
  margin: 10px 0;
}

details[open] {
  box-shadow: 0 10px 26px rgba(2, 6, 23, 0.07);
}

summary {
  cursor: pointer;
  font-weight: 700;
}

.post-footer {
  margin-top: 24px;
}

.promo {
  display: grid;
  gap: 10px;
  padding: 16px;
  border-radius: var(--radius-sm);
  border: 1px solid color-mix(in oklab, var(--sage) 22%, var(--border));
  background:
    radial-gradient(700px 260px at 80% 0%, rgba(51, 195, 240, 0.16), transparent 55%),
    radial-gradient(700px 260px at 20% 0%, rgba(16, 185, 129, 0.16), transparent 55%),
    color-mix(in oklab, var(--card) 90%, transparent);
}

.promo-media {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 12px;
  align-items: center;
}

.promo-mascot {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  object-fit: cover;
  border: 1px solid var(--border);
  background: var(--card);
  box-shadow: 0 14px 34px rgba(2, 6, 23, 0.14);
}

.promo-title {
  margin: 0;
  font-size: 16px;
  letter-spacing: -0.01em;
}

.promo p {
  margin: 0;
  color: color-mix(in oklab, var(--fg) 86%, var(--muted));
}

.site-footer {
  border-top: 1px solid var(--border);
  padding: 18px 0 36px;
  color: var(--muted);
  font-size: 14px;
}

.site-footer a {
  color: inherit;
}

.grid {
  display: grid;
  gap: 14px;
}

@media (min-width: 840px) {
  .grid-2 {
    grid-template-columns: 1.15fr 0.85fr;
    align-items: start;
  }
}

.post-list {
  list-style: none;
  padding: 0;
  margin: 16px 0 0;
  display: grid;
  gap: 12px;
}

.post-item {
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--card);
  background: color-mix(in oklab, var(--card) 90%, transparent);
}

.post-item a {
  color: var(--fg);
  font-weight: 800;
  text-decoration: none;
}

.post-item a:hover {
  color: var(--secondary);
}

.post-item p {
  margin: 6px 0 0;
  color: var(--muted);
}

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