/* ─────────────────────────────────────────────
   WhatsApp MCP Server — Documentation Styles
   Shared across all pages
   ───────────────────────────────────────────── */

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

:root {
  --green: #25D366;
  --green-dark: #128C7E;
  --dark: #0a0f1c;
  --card: #111827;
  --border: #1f2937;
  --text: #e5e7eb;
  --muted: #9ca3af;
  --accent: #25D366;
  --code-bg: #0d1117;
}

body {
  font-family: 'Inter', -apple-system, sans-serif;
  background: var(--dark);
  color: var(--text);
  line-height: 1.7;
  overflow-x: hidden;
}

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.narrow { max-width: 860px; }

/* ── Nav ── */
nav {
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: rgba(10, 15, 28, 0.97);
  backdrop-filter: blur(12px);
  z-index: 100;
}
nav .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.logo {
  font-size: 1.15rem;
  font-weight: 800;
  text-decoration: none;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 8px;
}
.logo span { color: var(--green); }

.nav-links {
  display: flex;
  gap: 24px;
  align-items: center;
  list-style: none;
}
.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s;
}
.nav-links a:hover, .nav-links a.active { color: var(--green); }

.nav-cta {
  background: var(--green);
  color: #000 !important;
  padding: 8px 20px;
  border-radius: 8px;
  font-weight: 600 !important;
  font-size: 0.85rem;
  transition: transform 0.2s;
}
.nav-cta:hover { transform: translateY(-1px); color: #000 !important; }

/* ── Page Header ── */
.page-header {
  padding: 60px 0 40px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 48px;
}
.page-header h1 {
  font-size: 2.2rem;
  font-weight: 800;
  margin-bottom: 8px;
}
.page-header p {
  color: var(--muted);
  font-size: 1.1rem;
}

/* ── Content ── */
h2 {
  font-size: 1.6rem;
  font-weight: 700;
  margin: 48px 0 16px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}
h2:first-of-type { border-top: none; margin-top: 0; padding-top: 0; }

h3 {
  font-size: 1.2rem;
  font-weight: 600;
  margin: 32px 0 12px;
  color: var(--green);
}

p { margin-bottom: 16px; }

a { color: var(--green); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── Code ── */
code {
  background: var(--code-bg);
  padding: 2px 8px;
  border-radius: 4px;
  font-family: 'Fira Code', 'Consolas', monospace;
  font-size: 0.85rem;
}

pre {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 24px;
  overflow-x: auto;
  margin: 16px 0 24px;
  font-family: 'Fira Code', 'Consolas', monospace;
  font-size: 0.85rem;
  line-height: 1.8;
}

/* ── Cards ── */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  margin-bottom: 16px;
  transition: border-color 0.2s;
}
.card:hover { border-color: var(--green); }
.card h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 6px;
}
.card p { color: var(--muted); font-size: 0.9rem; margin-bottom: 0; }

/* ── Steps ── */
.step {
  display: flex;
  gap: 20px;
  margin-bottom: 32px;
  align-items: flex-start;
}
.step-number {
  background: var(--green);
  color: #000;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1rem;
  flex-shrink: 0;
}
.step-content { flex: 1; }
.step-content h4 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 8px;
}
.step-content p { color: var(--muted); font-size: 0.95rem; }

/* ── Tables ── */
table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0 24px;
}
th, td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  font-size: 0.9rem;
}
th {
  font-weight: 600;
  color: var(--green);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
td code {
  font-size: 0.8rem;
  color: var(--green);
}

/* ── Badges ── */
.badge {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 6px;
  font-size: 0.7rem;
  font-weight: 700;
}
.badge-free { background: rgba(37, 211, 102, 0.15); color: var(--green); }
.badge-pro { background: rgba(139, 92, 246, 0.15); color: #a78bfa; }

/* ── Alerts ── */
.alert {
  padding: 16px 20px;
  border-radius: 10px;
  margin: 16px 0 24px;
  font-size: 0.9rem;
}
.alert-info { background: rgba(59, 130, 246, 0.1); border: 1px solid rgba(59, 130, 246, 0.3); }
.alert-warning { background: rgba(245, 158, 11, 0.1); border: 1px solid rgba(245, 158, 11, 0.3); }
.alert-success { background: rgba(37, 211, 102, 0.1); border: 1px solid rgba(37, 211, 102, 0.3); }

/* ── Buttons ── */
.btn-primary {
  display: inline-block;
  background: var(--green);
  color: #000;
  padding: 12px 28px;
  border-radius: 10px;
  text-decoration: none;
  font-weight: 700;
  font-size: 1rem;
  transition: all 0.2s;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(37, 211, 102, 0.3); text-decoration: none; }

.btn-secondary {
  display: inline-block;
  color: var(--text);
  padding: 12px 28px;
  border-radius: 10px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1rem;
  border: 1px solid var(--border);
  transition: all 0.2s;
}
.btn-secondary:hover { border-color: var(--green); color: var(--green); text-decoration: none; }

/* ── Pricing Cards ── */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 960px;
  margin: 0 auto;
}
.price-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 36px;
  text-align: center;
}
.price-card.popular {
  border-color: var(--green);
  position: relative;
}
.price-card.popular::before {
  content: 'POPULAR';
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--green);
  color: #000;
  padding: 4px 16px;
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 800;
}
.price-card h3 { font-size: 1.3rem; font-weight: 700; margin-bottom: 8px; color: var(--text); }
.price { font-size: 2.5rem; font-weight: 800; margin: 16px 0 4px; }
.price span { font-size: 0.9rem; color: var(--muted); font-weight: 400; }
.price-card ul { list-style: none; text-align: left; margin: 24px 0; }
.price-card li {
  padding: 8px 0;
  font-size: 0.9rem;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 8px;
}
.price-card li::before { content: '\2713'; color: var(--green); font-weight: 700; }

/* ── Tool Cards Grid ── */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 16px;
}

/* ── Footer ── */
footer {
  padding: 40px 0;
  border-top: 1px solid var(--border);
  text-align: center;
  color: var(--muted);
  font-size: 0.85rem;
  margin-top: 80px;
}

/* ── Responsive ── */
@media (max-width: 768px) {
  .pricing-grid { grid-template-columns: 1fr; max-width: 400px; }
  .tools-grid { grid-template-columns: 1fr; }
  .nav-links { gap: 12px; }
  .nav-links a { font-size: 0.8rem; }
  .step { flex-direction: column; gap: 12px; }
  h2 { font-size: 1.3rem; }
}