/*
 * Shared styling for the standalone example pages
 * (chat-bot.html, tools-example.html, external-data-example.html).
 *
 * These pages do NOT use the docs sidebar/header layout. They render as
 * focused single-purpose demos that are reachable from the docs site.
 */

:root {
  --ex-bg: #f5f6ff;
  --ex-surface: #ffffff;
  --ex-surface-soft: #f8fafc;
  --ex-border: #e5e7eb;
  --ex-border-strong: #d1d5db;
  --ex-text: #0f172a;
  --ex-text-muted: #475569;
  --ex-primary: #6366f1;
  --ex-primary-hover: #4f46e5;
  --ex-secondary: #ec4899;
  --ex-radius: 14px;
  --ex-radius-lg: 22px;
  --ex-shadow: 0 10px 30px rgba(15, 23, 42, 0.06);
  --ex-shadow-lg: 0 24px 60px rgba(79, 70, 229, 0.18);
  --ex-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --ex-gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 45%, #ec4899 100%);
  --ex-gradient-soft: linear-gradient(135deg, rgba(99, 102, 241, 0.10), rgba(236, 72, 153, 0.10));
}

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

body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--ex-bg);
  color: var(--ex-text);
  font-size: 15px;
  line-height: 1.55;
  background-image:
    radial-gradient(60vw 60vw at 110% -10%, rgba(99, 102, 241, 0.10), transparent 60%),
    radial-gradient(50vw 50vw at -10% 100%, rgba(236, 72, 153, 0.08), transparent 60%);
  background-attachment: fixed;
  min-height: 100vh;
}

.example-shell {
  max-width: 1100px;
  margin: 0 auto;
  padding: 28px 24px 56px;
}

.example-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
  flex-wrap: wrap;
}

.example-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 15px;
  letter-spacing: -0.01em;
  color: var(--ex-text);
}

.example-brand .dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: var(--ex-gradient);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.12);
}

.example-back {
  font-size: 13px;
  color: var(--ex-text-muted);
  text-decoration: none;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid var(--ex-border);
  background: var(--ex-surface);
  transition: color 150ms ease, border-color 150ms ease, transform 150ms ease;
}

.example-back:hover {
  color: var(--ex-text);
  border-color: var(--ex-border-strong);
  transform: translateX(-2px);
}

.example-hero {
  background: var(--ex-surface);
  border: 1px solid var(--ex-border);
  border-radius: var(--ex-radius-lg);
  padding: 28px 32px;
  margin-bottom: 22px;
  position: relative;
  overflow: hidden;
  box-shadow: var(--ex-shadow);
}

.example-hero::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 4px;
  background: var(--ex-gradient);
}

.example-hero h1 {
  margin: 0 0 8px;
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, #0f172a 0%, #4f46e5 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.example-hero p {
  margin: 0;
  color: var(--ex-text-muted);
  max-width: 720px;
}

.example-card {
  background: var(--ex-surface);
  border: 1px solid var(--ex-border);
  border-radius: var(--ex-radius);
  padding: 20px;
  box-shadow: var(--ex-shadow);
}

.example-card + .example-card { margin-top: 18px; }

.example-card h2 {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 700;
}

.example-card .lede {
  margin: 0 0 16px;
  color: var(--ex-text-muted);
  font-size: 13px;
}

.example-source {
  background: linear-gradient(180deg, #0b1020 0%, #0f172a 100%);
  color: #e2e8f0;
  border-radius: var(--ex-radius);
  padding: 14px 16px;
  font-family: var(--ex-mono);
  font-size: 12.5px;
  line-height: 1.6;
  overflow: auto;
  margin: 0;
  border: 1px solid rgba(255, 255, 255, 0.04);
  max-height: 280px;
}

.example-output {
  margin-top: 14px;
  border: 1px solid var(--ex-border);
  border-radius: var(--ex-radius);
  background: var(--ex-surface-soft);
  padding: 18px;
}

.btn {
  background: var(--ex-gradient);
  color: #ffffff;
  border: none;
  border-radius: 10px;
  padding: 9px 18px;
  font-size: 13px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: transform 120ms ease, box-shadow 180ms ease, opacity 150ms ease;
  box-shadow: 0 4px 14px rgba(99, 102, 241, 0.30);
}

.btn:hover { transform: translateY(-1px); box-shadow: 0 8px 22px rgba(99, 102, 241, 0.36); }
.btn:active { transform: translateY(0); }
.btn:disabled { opacity: 0.55; cursor: not-allowed; transform: none; box-shadow: none; }

.btn-ghost {
  background: transparent;
  color: var(--ex-text-muted);
  border: 1px solid var(--ex-border);
  box-shadow: none;
}
.btn-ghost:hover { background: rgba(99, 102, 241, 0.06); color: var(--ex-text); transform: none; box-shadow: none; }

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.field label {
  font-size: 12.5px;
  font-weight: 600;
  color: var(--ex-text);
}

.field .hint {
  font-size: 12px;
  color: var(--ex-text-muted);
}

.field input,
.field select,
.field textarea {
  width: 100%;
  font: inherit;
  font-size: 14px;
  color: var(--ex-text);
  background: var(--ex-surface);
  border: 1px solid var(--ex-border);
  border-radius: 10px;
  padding: 10px 12px;
  transition: border-color 150ms ease, box-shadow 150ms ease;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--ex-primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.18);
}

.field-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 14px;
}

.tag-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 11.5px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ex-primary-hover);
  background: rgba(99, 102, 241, 0.10);
  padding: 4px 10px;
  border-radius: 999px;
}

.muted { color: var(--ex-text-muted); }
.small { font-size: 12.5px; }

@media (max-width: 960px) {
  .example-shell { padding: 22px 18px 40px; }
  .example-hero { padding: 24px 22px; }
  .example-hero h1 { font-size: 24px; }
}

@media (max-width: 720px) {
  .example-shell { padding: 16px 14px 36px; }
  .example-hero { padding: 20px 16px; border-radius: var(--ex-radius); }
  .example-hero h1 { font-size: 22px; }
  .example-hero p { font-size: 13.5px; }
  .example-card { padding: 16px; border-radius: var(--ex-radius); }
  .example-card h2 { font-size: 16px; }
  .example-source { padding: 12px 14px; font-size: 12px; max-height: 200px; }
  .example-output { padding: 14px; }
  .example-topbar { gap: 10px; }
  .example-back { font-size: 12px; padding: 5px 10px; }
  .field-row { grid-template-columns: 1fr; gap: 10px; }
  .btn { padding: 9px 14px; font-size: 13px; }
}

@media (max-width: 480px) {
  .example-shell { padding: 12px 10px 28px; }
  .example-hero { padding: 18px 14px; }
  .example-hero h1 { font-size: 20px; }
  .example-card { padding: 14px; }
  .btn { width: 100%; }
  .btn-ghost { width: auto; }
}