/* retoor <retoor@molodetz.nl> */

/* ---------- design tokens ---------- */
:root {
  --bg: #ffffff;
  --bg-alt: #f4f5f7;
  --fg: #1a1c1f;
  --fg-muted: #5a616b;
  --border: #dde1e6;
  --accent: #2563eb;
  --accent-fg: #ffffff;
  --deep-accent: #b45309;
  --deep-bg: #fff7ed;
  --danger: #b3261e;
  --danger-bg: #fdecea;
  --code-bg: #eef0f3;
  --radius: 6px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", Menlo, monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #101214;
    --bg-alt: #17191c;
    --fg: #e6e8eb;
    --fg-muted: #9aa2ab;
    --border: #2b2f34;
    --accent: #5b9dff;
    --accent-fg: #0b1220;
    --deep-accent: #f59e0b;
    --deep-bg: #2a1f0e;
    --danger: #f2867c;
    --danger-bg: #2c1414;
    --code-bg: #1c1f23;
  }
}

/* ---------- reset ---------- */
* { box-sizing: border-box; }

[hidden] { display: none !important; }

html, body {
  margin: 0;
  padding: 0;
}

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.5;
}

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

a:hover {
  text-decoration: underline;
}

h1, h2, h3 {
  line-height: 1.25;
}

table {
  border-collapse: collapse;
  width: 100%;
}

code {
  font-family: var(--font-mono);
  background: var(--code-bg);
  padding: 0.1em 0.35em;
  border-radius: 4px;
  font-size: 0.9em;
}

pre {
  font-family: var(--font-mono);
  background: var(--code-bg);
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  overflow-x: auto;
}

/* ---------- layout ---------- */
.site-header {
  border-bottom: 1px solid var(--border);
  background: var(--bg-alt);
}

.site-header-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0.85rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--fg);
  letter-spacing: 0.02em;
}

.brand:hover {
  text-decoration: none;
  color: var(--accent);
}

.site-nav {
  display: flex;
  gap: 1.25rem;
}

.site-nav a {
  color: var(--fg-muted);
  font-size: 0.92rem;
}

.site-nav a:hover {
  color: var(--fg);
}

.site-main {
  max-width: 1080px;
  margin: 0 auto;
  padding: 1.5rem 1.25rem 3rem;
}

.site-footer {
  max-width: 1080px;
  margin: 0 auto;
  padding: 1.5rem 1.25rem 2.5rem;
  color: var(--fg-muted);
  font-size: 0.85rem;
  border-top: 1px solid var(--border);
}

/* ---------- landing ---------- */
.landing-hero {
  padding: 2rem 0 1rem;
}

.landing-hero h1 {
  font-size: 2.2rem;
  margin: 0 0 0.25rem;
}

.tagline {
  color: var(--fg-muted);
  margin: 0 0 1.5rem;
}

/* ---------- search form ---------- */
.search-form {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: 1rem;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.search-form-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

.search-input {
  flex: 1 1 260px;
  padding: 0.55rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg);
  color: var(--fg);
  font-size: 1rem;
}

.count-input {
  width: 5.5rem;
  padding: 0.55rem 0.5rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg);
  color: var(--fg);
}

.search-submit {
  padding: 0.55rem 1.25rem;
  border: 1px solid var(--accent);
  border-radius: var(--radius);
  background: var(--accent);
  color: var(--accent-fg);
  font-weight: 600;
  cursor: pointer;
}

.search-submit:hover {
  filter: brightness(1.05);
}

.result-type-tabs {
  display: inline-flex;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.result-type-tab {
  padding: 0.4rem 0.85rem;
  cursor: pointer;
  color: var(--fg-muted);
  font-size: 0.9rem;
}

.result-type-tab:has(input:checked) {
  background: var(--accent);
  color: var(--accent-fg);
}

.result-type-tab input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.option-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.9rem;
  cursor: pointer;
  color: var(--fg-muted);
}

.option-toggle input {
  width: 1rem;
  height: 1rem;
}

/* Deep Research is a distinct product surface: always visible, visually loud. */
.option-toggle-deep {
  padding: 0.4rem 0.75rem;
  border: 2px solid var(--deep-accent);
  border-radius: var(--radius);
  background: var(--deep-bg);
  color: var(--deep-accent);
  font-weight: 600;
}

.option-toggle-deep:has(input:checked) {
  background: var(--deep-accent);
  color: var(--accent-fg);
}

/* ---------- results ---------- */
.results-toolbar {
  margin-bottom: 1.5rem;
}

.results-web h2,
.results-images h2,
.results-deep h2 {
  font-size: 1.15rem;
  color: var(--fg-muted);
  margin-bottom: 1rem;
}

.result-card {
  padding: 0.9rem 0;
  border-bottom: 1px solid var(--border);
}

.result-card h3 {
  margin: 0 0 0.25rem;
  font-size: 1.05rem;
}

.result-description {
  margin: 0 0 0.35rem;
  color: var(--fg);
}

.result-source {
  color: var(--fg-muted);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.ai-answer {
  margin-bottom: 1.75rem;
  padding: 1rem 1.1rem;
  border: 1px solid var(--accent);
  border-radius: var(--radius);
  background: var(--bg-alt);
}

.ai-answer h2 {
  margin-top: 0;
  font-size: 1rem;
  color: var(--accent);
}

/* ---------- rendered markdown ---------- */
.markdown {
  margin: 0;
}

.markdown > :first-child {
  margin-top: 0;
}

.markdown > :last-child {
  margin-bottom: 0;
}

.markdown h1,
.markdown h2,
.markdown h3,
.markdown h4,
.markdown h5,
.markdown h6 {
  margin: 1.2em 0 0.5em;
}

.markdown h1 { font-size: 1.3rem; }
.markdown h2 { font-size: 1.15rem; }
.markdown h3 { font-size: 1.05rem; }
.markdown h4 { font-size: 1rem; }

.markdown ul,
.markdown ol {
  padding-left: 1.4rem;
  margin: 0.5em 0 0.9em;
}

.markdown li {
  margin: 0.25em 0;
}

.markdown table {
  width: auto;
  min-width: 50%;
  margin: 0.75em 0 1em;
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.markdown th,
.markdown td {
  border-bottom: 1px solid var(--border);
  padding: 0.45rem 0.6rem;
  text-align: left;
  font-size: 0.9rem;
}

.markdown th {
  background: var(--bg-alt);
}

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

.markdown blockquote {
  margin: 0.75em 0;
  padding: 0.25rem 1rem;
  border-left: 3px solid var(--accent);
  color: var(--fg-muted);
}

.markdown hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 1.25em 0;
}

.markdown pre {
  margin: 0.75em 0;
}

.markdown img {
  max-width: 100%;
  border-radius: var(--radius);
}

.markdown sup {
  color: var(--accent);
  font-size: 0.75em;
}

/* ---------- images ---------- */
.image-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1rem;
}

.image-card {
  margin: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--bg-alt);
}

.image-card img {
  display: block;
  width: 100%;
  height: 150px;
  object-fit: cover;
  background: var(--code-bg);
}

.image-card figcaption {
  padding: 0.5rem 0.6rem 0.2rem;
  font-size: 0.85rem;
}

.image-meta {
  display: flex;
  justify-content: space-between;
  padding: 0.2rem 0.6rem 0.6rem;
  font-size: 0.78rem;
  color: var(--fg-muted);
}

/* ---------- deep research ---------- */
.deep-elapsed {
  color: var(--fg-muted);
  font-size: 0.85rem;
}

.results-deep .markdown {
  margin: 1rem 0 1.5rem;
}

.sources-table th,
.sources-table td {
  border-bottom: 1px solid var(--border);
  padding: 0.5rem 0.6rem;
  text-align: left;
  font-size: 0.9rem;
}

.notice {
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  margin-top: 1rem;
}

.notice-error {
  background: var(--danger-bg);
  color: var(--danger);
  border: 1px solid var(--danger);
}

/* ---------- error page ---------- */
.error-panel {
  padding: 2rem 0;
}

.error-message {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--fg-muted);
  background: var(--code-bg);
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
}

/* ---------- docs ---------- */
.docs-section {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}

.docs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.docs-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  background: var(--bg-alt);
}

.docs-card h3 {
  margin: 0 0 0.5rem;
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.docs-method {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--accent);
  border: 1px solid var(--accent);
  border-radius: 4px;
  padding: 0.1rem 0.4rem;
}

.docs-path {
  font-size: 0.85rem;
}

.docs-summary {
  color: var(--fg-muted);
  font-size: 0.9rem;
  margin: 0 0 0.75rem;
}

.docs-params {
  margin-bottom: 0.75rem;
}

.docs-params th,
.docs-params td {
  border-bottom: 1px solid var(--border);
  padding: 0.3rem 0.4rem;
  font-size: 0.82rem;
  text-align: left;
}

.badge {
  font-size: 0.7rem;
  padding: 0.1rem 0.4rem;
  border-radius: 999px;
  font-weight: 600;
}

.badge-required {
  background: var(--danger-bg);
  color: var(--danger);
}

.badge-optional {
  background: var(--code-bg);
  color: var(--fg-muted);
}

.docs-example {
  margin: 0;
}

/* ---------- stats ---------- */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 1rem;
  margin: 1.5rem 0 2.5rem;
}

.stat-tile {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  padding: 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-alt);
}

.stat-label {
  font-size: 0.78rem;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.stat-value {
  font-size: 1.4rem;
  font-weight: 700;
}

.chart-section {
  margin-bottom: 2rem;
}

.chart-section h2 {
  font-size: 1rem;
  color: var(--fg-muted);
  margin-bottom: 0.75rem;
}

.chart-frame {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-alt);
  padding: 1rem;
  overflow-x: auto;
}

.chart-frame svg {
  max-width: 100%;
  height: auto;
}

/* ---------- responsive ---------- */
@media (max-width: 640px) {
  .site-header-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }

  .search-form-row-main {
    flex-direction: column;
    align-items: stretch;
  }

  .count-input {
    width: 100%;
  }
}