@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Heebo:wght@400;500;600;700&display=swap');

:root {
  --color-bg: #FFFBEB;
  --color-surface: #FFFFFF;
  --color-text: #292524;
  --color-text-secondary: #78716C;
  --color-accent: #D97706;
  --color-accent-hover: #B45309;
  --color-accent-contrast: #FFFFFF;
  --color-border: #EEEDED;
  --color-success: #059669;
  --color-success-bg: #ECFDF5;
  --color-danger: #DC2626;
  --color-danger-bg: #FEF2F2;
  --color-warn: #B45309;
  --color-warn-bg: #FFFBEB;
  --color-muted-bg: #F6F6F6;
  --radius: 8px;
  --radius-sm: 5px;
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --sidebar-width: 220px;
  --font-sans: 'Inter', 'Heebo', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.5;
}

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

/* Monaco's floating widgets (suggestions, hover, parameter hints) render
   real <a> elements straight into the page — let them keep Monaco's own
   theme colors instead of inheriting our global link styling. */
.editor-widget a,
.monaco-editor a {
  color: inherit;
  text-decoration: inherit;
}

.app-shell {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: var(--sidebar-width);
  flex-shrink: 0;
  background: var(--color-surface);
  border-inline-end: 1px solid var(--color-border);
  padding: var(--space-5) var(--space-4);
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
}

.sidebar .brand {
  font-weight: 700;
  font-size: 1.05rem;
  margin-bottom: var(--space-5);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-text);
}

.sidebar .brand svg { color: var(--color-accent); }

.sidebar nav {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.sidebar nav a {
  color: var(--color-text-secondary);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  font-weight: 500;
  font-size: 0.92rem;
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.sidebar nav a:hover {
  background: var(--color-muted-bg);
  text-decoration: none;
  color: var(--color-text);
}

.sidebar nav a.active {
  background: #FEF3C7;
  color: var(--color-accent-hover);
}

.lang-switcher {
  margin-top: var(--space-4);
}

.lang-switcher select {
  font-size: 0.82rem;
  padding: var(--space-1) var(--space-2);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.main {
  flex: 1;
  min-width: 0;
  padding: var(--space-5) var(--space-6);
}

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-5);
  gap: var(--space-4);
  flex-wrap: wrap;
}

.page-header h1 {
  font-size: 1.4rem;
  font-weight: 700;
  margin: 0;
}

.page-header p.subtitle {
  color: var(--color-text-secondary);
  margin: var(--space-1) 0 0;
  font-size: 0.9rem;
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-4);
  margin-bottom: var(--space-4);
}

.card h2 {
  font-size: 1rem;
  font-weight: 600;
  margin: 0 0 var(--space-3);
}

.grid {
  display: grid;
  gap: var(--space-4);
}

.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }

@media (max-width: 900px) {
  .grid-cols-3, .grid-cols-2 { grid-template-columns: 1fr; }
  .sidebar { position: static; height: auto; width: 100%; }
  .app-shell { flex-direction: column; }
}

.stat-tile {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-4);
}

.stat-tile .label {
  color: var(--color-text-secondary);
  font-size: 0.8rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.stat-tile .value {
  font-size: 1.8rem;
  font-weight: 700;
  margin-top: var(--space-1);
  font-variant-numeric: tabular-nums;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

th, td {
  text-align: start;
  padding: var(--space-3);
  border-bottom: 1px solid var(--color-border);
  vertical-align: middle;
}

th {
  color: var(--color-text-secondary);
  font-weight: 600;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

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

.table-wrap { overflow-x: auto; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  padding: var(--space-2) var(--space-4);
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 150ms ease, border-color 150ms ease, opacity 150ms ease;
  font-family: inherit;
}

.btn:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.btn-primary {
  background: var(--color-accent);
  color: var(--color-accent-contrast);
}
.btn-primary:hover { background: var(--color-accent-hover); }

.btn-secondary {
  background: var(--color-surface);
  border-color: var(--color-border);
  color: var(--color-text);
}
.btn-secondary:hover { background: var(--color-muted-bg); }

.btn-danger {
  background: var(--color-surface);
  border-color: var(--color-danger);
  color: var(--color-danger);
}
.btn-danger:hover { background: var(--color-danger-bg); }

.btn-sm { padding: var(--space-1) var(--space-3); font-size: 0.8rem; }

.btn:disabled { opacity: 0.5; cursor: not-allowed; }

label {
  display: block;
  font-weight: 600;
  font-size: 0.85rem;
  margin-bottom: var(--space-1);
}

input[type="text"], input[type="email"], input[type="password"], input[type="number"], select, textarea {
  width: 100%;
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.9rem;
  background: var(--color-surface);
  color: var(--color-text);
}

input:focus, select:focus, textarea:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 1px;
  border-color: var(--color-accent);
}

.field { margin-bottom: var(--space-4); }
.field .help { color: var(--color-text-secondary); font-size: 0.78rem; margin-top: var(--space-1); }

.form-row {
  display: flex;
  gap: var(--space-3);
  align-items: flex-end;
  flex-wrap: wrap;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.badge-sent { background: var(--color-success-bg); color: var(--color-success); }
.badge-failed { background: var(--color-danger-bg); color: var(--color-danger); }
.badge-dry_run { background: #F0F9FF; color: #0369A1; }
.badge-rate_limited { background: var(--color-warn-bg); color: var(--color-warn); }
.badge-rejected_sender { background: var(--color-danger-bg); color: var(--color-danger); }

.mono { font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace; font-size: 0.85em; }

.flash {
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-4);
  font-size: 0.88rem;
}
.flash-error { background: var(--color-danger-bg); color: var(--color-danger); }
.flash-success { background: var(--color-success-bg); color: var(--color-success); }

.empty-state {
  text-align: center;
  padding: var(--space-6);
  color: var(--color-text-secondary);
}

.copy-field {
  display: flex;
  gap: var(--space-2);
  align-items: center;
}
.copy-field input { flex: 1; }

.text-secondary { color: var(--color-text-secondary); }
.mb-0 { margin-bottom: 0; }

/* Docs page */
.docs-layout {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: var(--space-5);
  align-items: start;
}

.docs-subnav {
  position: sticky;
  top: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-3);
}

.docs-subnav a {
  color: var(--color-text-secondary);
  font-size: 0.85rem;
  font-weight: 500;
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
}

.docs-subnav a:hover {
  background: var(--color-muted-bg);
  color: var(--color-text);
  text-decoration: none;
}

.docs-content section { scroll-margin-top: var(--space-4); }
.docs-content h2 { font-size: 1.1rem; margin: 0 0 var(--space-3); }
.docs-content h3 { font-size: 0.95rem; margin: var(--space-4) 0 var(--space-2); }
.docs-content p { line-height: 1.6; }
.docs-content ul { padding-inline-start: 1.4em; line-height: 1.7; }
.docs-content li { margin: var(--space-1) 0; }

@media (max-width: 900px) {
  .docs-layout { grid-template-columns: 1fr; }
  .docs-subnav { position: static; flex-direction: row; flex-wrap: wrap; }
}

.code-tabs-nav {
  display: flex;
  gap: var(--space-1);
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--space-3);
}

.code-tab {
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--color-text-secondary);
  font: inherit;
  font-weight: 500;
  font-size: 0.85rem;
  cursor: pointer;
  padding: var(--space-2) var(--space-3);
  margin-bottom: -1px;
}

.code-tab:hover { color: var(--color-text); }

.code-tab.active {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

.code-tab-panel pre { margin: 0; }

/* Prism.js code blocks — custom warm-palette theme (no canned Prism theme),
   always LTR regardless of page direction since code itself reads LTR. */
pre[class*="language-"] {
  direction: ltr;
  text-align: left;
  background: #1c1917;
  color: #e7e5e4;
  padding: var(--space-4);
  border-radius: var(--radius-sm);
  overflow-x: auto;
  font-size: 0.85rem;
  line-height: 1.6;
  margin: var(--space-3) 0;
}

code[class*="language-"] {
  font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
}

.token.comment { color: #a8a29e; }
.token.string, .token.attr-value { color: #fbbf24; }
.token.number, .token.boolean, .token.constant { color: #f59e0b; }
.token.keyword, .token.selector, .token.tag, .token.builtin { color: #fb923c; }
.token.function, .token.class-name { color: #fdba74; }
.token.punctuation { color: #a8a29e; }
.token.property, .token.attr-name { color: #fcd34d; }
.token.operator, .token.entity, .token.url { color: #e7e5e4; background: none; }

div.code-toolbar { direction: ltr; }
div.code-toolbar > .toolbar > .toolbar-item > button {
  background: #44403c;
  color: #e7e5e4;
  font-size: 0.72rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
}
div.code-toolbar > .toolbar > .toolbar-item > button:hover {
  background: var(--color-accent);
  color: #fff;
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}