:root {
  --accent: #5E5CE6;
  --accent-light: rgba(94, 92, 230, 0.1);
  --bg: #F2F2F7;
  --surface: #ffffff;
  --text-primary: #1c1c1e;
  --text-secondary: #6e6e73;
  --separator: rgba(0, 0, 0, 0.08);
  --radius: 14px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1c1c1e;
    --surface: #2c2c2e;
    --text-primary: #f5f5f7;
    --text-secondary: #98989d;
    --separator: rgba(255, 255, 255, 0.08);
  }
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
}

/* ── Layout ── */

.page-wrapper {
  max-width: 720px;
  margin: 0 auto;
  padding: 48px 24px 80px;
}

/* ── Header ── */

.site-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 40px;
}

.app-icon {
  width: 48px;
  height: 48px;
  background: var(--accent-light);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.app-icon svg {
  width: 24px;
  height: 24px;
  fill: var(--accent);
}

.site-header h1 {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.4px;
  color: var(--text-primary);
}

.site-header p {
  font-size: 13px;
  color: var(--text-secondary);
  margin-top: 1px;
}

/* ── Nav tabs ── */

.nav-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 32px;
}

.nav-tabs a {
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  color: var(--text-secondary);
  transition: background 0.15s, color 0.15s;
}

.nav-tabs a:hover {
  background: var(--separator);
  color: var(--text-primary);
}

.nav-tabs a.active {
  background: var(--accent);
  color: #fff;
}

/* ── Document card ── */

.doc-card {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 36px 40px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.06), 0 4px 16px rgba(0,0,0,0.04);
}

.doc-meta {
  font-size: 12px;
  color: var(--text-secondary);
  margin-bottom: 28px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--separator);
}

/* ── Typography inside card ── */

.doc-card h1 {
  font-size: 26px;
  font-weight: 700;
  letter-spacing: -0.5px;
  margin-bottom: 6px;
  color: var(--text-primary);
}

.doc-card h2 {
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.2px;
  color: var(--text-primary);
  margin-top: 32px;
  margin-bottom: 10px;
}

.doc-card h3 {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  margin-top: 20px;
  margin-bottom: 6px;
}

.doc-card p {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 10px;
  line-height: 1.65;
}

.doc-card ul,
.doc-card ol {
  font-size: 14px;
  color: var(--text-secondary);
  padding-left: 20px;
  margin-bottom: 10px;
  line-height: 1.65;
}

.doc-card li {
  margin-bottom: 4px;
}

.doc-card strong {
  color: var(--text-primary);
  font-weight: 600;
}

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

.doc-card a:hover {
  text-decoration: underline;
}

hr {
  border: none;
  border-top: 1px solid var(--separator);
  margin: 24px 0;
}

/* ── Table ── */

.doc-card table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  margin-bottom: 10px;
}

.doc-card th {
  text-align: left;
  padding: 8px 12px;
  font-weight: 600;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.3px;
  color: var(--text-secondary);
  background: var(--bg);
  border-bottom: 1px solid var(--separator);
}

.doc-card td {
  padding: 10px 12px;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--separator);
  vertical-align: top;
}

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

/* ── "Not collected" badge ── */

.badge-no {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  font-weight: 600;
  color: #30a46c;
  background: rgba(48, 164, 108, 0.1);
  padding: 3px 9px;
  border-radius: 20px;
}

/* ── Footer ── */

.site-footer {
  margin-top: 32px;
  text-align: center;
  font-size: 12px;
  color: var(--text-secondary);
}

/* ── Responsive ── */

@media (max-width: 600px) {
  .page-wrapper {
    padding: 24px 16px 60px;
  }

  .doc-card {
    padding: 24px 20px;
  }

  .doc-card h1 {
    font-size: 22px;
  }
}