:root {
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --bg-color: #f8fafc;
  --card-bg: #ffffff;
  --text-primary: #0f172a;
  --text-secondary: #334155;
  --text-muted: #64748b;
  --border-color: #e2e8f0;
  --primary-color: #2563eb;
  --primary-light: #eff6ff;
  --radius: 12px;
  --max-width: 760px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg-color: #0b1120;
    --card-bg: #1e293b;
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    --border-color: #334155;
    --primary-color: #3b82f6;
    --primary-light: rgba(59, 130, 246, 0.12);
  }
}

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

body {
  font-family: var(--font-family);
  background-color: var(--bg-color);
  color: var(--text-primary);
  line-height: 1.65;
  font-size: 15.5px;
  padding: 2.5rem 1rem 4rem;
  -webkit-font-smoothing: antialiased;
}

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

.card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 2.5rem 2rem;
  box-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.05);
}

@media (max-width: 600px) {
  .card {
    padding: 1.75rem 1.25rem;
  }
}

.app-badge {
  display: inline-block;
  background: var(--primary-light);
  color: var(--primary-color);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.3rem 0.75rem;
  border-radius: 9999px;
  margin-bottom: 0.75rem;
}

h1 {
  font-size: 1.85rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
  line-height: 1.3;
}

.subtitle {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 1.75rem;
}

/* Matching Identifier Box - Essential for Google Review */
.identifiers-box {
  background: var(--primary-light);
  border: 1px solid var(--border-color);
  border-left: 4px solid var(--primary-color);
  border-radius: 8px;
  padding: 1.25rem;
  margin-bottom: 2rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 0.85rem;
}

.identifier-item span.label {
  display: block;
  font-size: 0.75rem;
  text-transform: uppercase;
  color: var(--text-muted);
  font-weight: 600;
  letter-spacing: 0.04em;
}

.identifier-item span.value {
  display: block;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
  word-break: break-all;
}

h2 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 1.75rem 0 0.6rem;
  padding-bottom: 0.35rem;
  border-bottom: 1px solid var(--border-color);
}

p {
  color: var(--text-secondary);
  margin-bottom: 0.85rem;
}

ul {
  color: var(--text-secondary);
  margin: 0.5rem 0 1rem 1.25rem;
}

li {
  margin-bottom: 0.45rem;
}

li strong {
  color: var(--text-primary);
}

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.88em;
  background: var(--primary-light);
  padding: 0.15em 0.35em;
  border-radius: 4px;
  color: var(--primary-color);
}

.contact-box {
  background: var(--bg-color);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 1.25rem;
  margin-top: 1rem;
}

.contact-box p {
  margin-bottom: 0.35rem;
}

a {
  color: var(--primary-color);
  text-decoration: underline;
}

footer {
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 2rem;
}