/* DataTap Design System */
* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --ink: #0a0a0a;
  --paper: #f8f7f4;
  --accent: #00c27a;
  --accent-dark: #00a066;
  --accent-light: rgba(0, 194, 122, 0.08);
  --muted: #6b6b6b;
  --border: #e0ddd8;
  --code-bg: #1a1a2e;
  --danger: #e74c3c;
  --warning: #f39c12;
  --card-bg: #ffffff;
}

body {
  font-family: 'DM Sans', sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  line-height: 1.15;
}

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

/* ── Nav ────────────────────────────── */
nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 48px;
  max-width: 1200px;
  margin: 0 auto;
}
.logo {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.5px;
  color: var(--ink);
  text-decoration: none;
}
.logo span { color: var(--accent); }
.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-links a {
  font-size: 0.9rem;
  color: var(--muted);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--ink); text-decoration: none; }
.nav-links a.active { color: var(--accent-dark); }

/* ── Buttons ────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  font-family: 'Space Grotesk', sans-serif;
  cursor: pointer;
  border: none;
  transition: all 0.2s;
  text-decoration: none;
}
.btn:hover { text-decoration: none; }
.btn-primary {
  background: var(--accent);
  color: #fff;
}
.btn-primary:hover { background: var(--accent-dark); }
.btn-secondary {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--border);
}
.btn-secondary:hover { border-color: var(--ink); }
.btn-danger {
  background: var(--danger);
  color: #fff;
}
.btn-danger:hover { background: #c0392b; }
.btn-sm {
  padding: 8px 16px;
  font-size: 0.8rem;
}
.btn-block {
  width: 100%;
  justify-content: center;
}

/* ── Forms ───────────────────────────── */
.form-group {
  margin-bottom: 20px;
}
.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 6px;
  font-family: 'Space Grotesk', sans-serif;
}
.form-group input,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 0.95rem;
  font-family: 'DM Sans', sans-serif;
  background: var(--card-bg);
  color: var(--ink);
  transition: border-color 0.2s;
}
.form-group input:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--accent);
}
.form-error {
  color: var(--danger);
  font-size: 0.8rem;
  margin-top: 4px;
}

/* ── Cards ───────────────────────────── */
.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 32px;
}

/* ── Alerts ──────────────────────────── */
.alert {
  padding: 16px 20px;
  border-radius: 8px;
  font-size: 0.9rem;
  margin-bottom: 20px;
}
.alert-success {
  background: rgba(0, 194, 122, 0.1);
  color: var(--accent-dark);
  border: 1px solid rgba(0, 194, 122, 0.2);
}
.alert-error {
  background: rgba(231, 76, 60, 0.1);
  color: var(--danger);
  border: 1px solid rgba(231, 76, 60, 0.2);
}
.alert-warning {
  background: rgba(243, 156, 18, 0.1);
  color: #d68910;
  border: 1px solid rgba(243, 156, 18, 0.2);
}

/* ── Page Layout ─────────────────────── */
.page-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 48px 80px;
}
.page-header {
  margin-bottom: 40px;
}
.page-header h1 {
  font-size: 2rem;
  letter-spacing: -1px;
  margin-bottom: 8px;
}
.page-header p {
  color: var(--muted);
  font-size: 1rem;
}

/* ── Grid ────────────────────────────── */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

/* ── Stat Card ───────────────────────── */
.stat-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
}
.stat-card .stat-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--muted);
  margin-bottom: 8px;
}
.stat-card .stat-value {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2rem;
  font-weight: 700;
  color: var(--ink);
}
.stat-card .stat-sub {
  font-size: 0.8rem;
  color: var(--muted);
  margin-top: 4px;
}

/* ── API Key Display ─────────────────── */
.api-key-box {
  background: var(--code-bg);
  border-radius: 8px;
  padding: 16px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.api-key-box code {
  font-family: 'Courier New', monospace;
  font-size: 0.9rem;
  color: #c3e88d;
  word-break: break-all;
}
.api-key-box .copy-btn {
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.15);
  color: #fff;
  padding: 8px 16px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.8rem;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 500;
  white-space: nowrap;
  transition: background 0.2s;
}
.api-key-box .copy-btn:hover {
  background: rgba(255,255,255,0.2);
}

/* ── Code Block ──────────────────────── */
.code-block {
  background: var(--code-bg);
  border-radius: 12px;
  padding: 24px;
  font-family: 'Courier New', monospace;
  font-size: 0.85rem;
  color: #c8c8d4;
  line-height: 1.8;
  overflow-x: auto;
  position: relative;
}
.code-block .keyword { color: #c792ea; }
.code-block .string { color: #c3e88d; }
.code-block .comment { color: #546e7a; }
.code-block .method { color: #82aaff; }
.code-block .response { color: #f78c6c; }

/* ── Progress Bar ────────────────────── */
.progress-bar {
  width: 100%;
  height: 8px;
  background: var(--border);
  border-radius: 4px;
  overflow: hidden;
  margin: 12px 0;
}
.progress-bar .progress-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 4px;
  transition: width 0.3s;
}
.progress-bar.warning .progress-fill { background: var(--warning); }
.progress-bar.danger .progress-fill { background: var(--danger); }

/* ── Table ───────────────────────────── */
.data-table {
  width: 100%;
  border-collapse: collapse;
}
.data-table th {
  text-align: left;
  padding: 12px 16px;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--muted);
  border-bottom: 2px solid var(--border);
  font-family: 'Space Grotesk', sans-serif;
}
.data-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  font-size: 0.9rem;
}

/* ── Badge ───────────────────────────── */
.badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.badge-green {
  background: rgba(0, 194, 122, 0.12);
  color: var(--accent-dark);
}
.badge-blue {
  background: rgba(59, 130, 246, 0.12);
  color: #2563eb;
}
.badge-orange {
  background: rgba(243, 156, 18, 0.12);
  color: #d68910;
}

/* ── Footer ──────────────────────────── */
footer {
  border-top: 1px solid var(--border);
  padding: 32px 48px;
  text-align: center;
  color: var(--muted);
  font-size: 0.8rem;
}

/* ── Responsive ──────────────────────── */
@media (max-width: 768px) {
  nav { padding: 20px 24px; }
  .nav-links { gap: 16px; }
  .nav-links a { font-size: 0.8rem; }
  .page-container { padding: 24px; }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .card { padding: 24px; }
}

/* ── Hidden ──────────────────────────── */
.hidden { display: none !important; }

/* ── Loading Spinner ─────────────────── */
.spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid rgba(0,0,0,0.1);
  border-left-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}
@keyframes spin {
  to { transform: rotate(360deg); }
}