/* docs/styles.css — Attest Design System */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

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

:root {
  --bg: #FFFFFF;
  --surface: #F3F3F7;
  --text: #15191E;
  --text-secondary: #60646C;
  --text-tertiary: #6F737B;
  --text-disabled: #B9BBC6;
  --accent: #FF5900;
  --accent-hover: #FF6B18;
  --accent-active: #FF3D00;
  --line: rgba(66, 87, 138, 0.15);
  --line-hover: rgba(97, 106, 136, 0.30);
  --green: #16a34a;
  --red: #dc2626;
  --amber: #d97706;
  --shadow: 0 1px 3px rgba(0,0,0,0.05);
  --shadow-hover: 0 4px 16px rgba(0,0,0,0.12);
  --radius: 10px;
  --radius-lg: 12px;
  --radius-sm: 6px;
  --max-width: 1280px;
}

html { scroll-padding-top: 72px; }

body {
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ——————————————————————————————————————————
   Typography
   —————————————————————————————————————————— */

h1, h2, h3, h4 { line-height: 1.15; font-weight: 600; }
h1 { font-size: clamp(36px, 5vw, 72px); letter-spacing: -1.44px; }
h2 { font-size: clamp(24px, 3vw, 48px); letter-spacing: -0.5px; }
h3 { font-size: 18px; letter-spacing: -0.3px; }
h4 { font-size: 14px; letter-spacing: -0.2px; }

.body-lg { font-size: 20px; letter-spacing: -0.4px; color: var(--text-secondary); }
.body-sm { font-size: 14px; letter-spacing: -0.28px; }
.caption { font-size: 12px; color: var(--text-tertiary); }
.category { font-size: 12px; font-weight: 600; letter-spacing: 1px; text-transform: uppercase; color: var(--accent); }
.muted { color: var(--text-secondary); }
.mono { font-family: "JetBrains Mono", "SF Mono", "Fira Code", ui-monospace, monospace; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ——————————————————————————————————————————
   Navigation
   —————————————————————————————————————————— */

.nav { position: sticky; top: 0; z-index: 100; background: var(--bg); border-bottom: 1px solid var(--line); height: 60px; }
.nav-shell { max-width: var(--max-width); margin: 0 auto; padding: 0 72px; display: flex; align-items: center; justify-content: space-between; height: 100%; }
.nav .logo { font-size: 18px; font-weight: 700; color: var(--text); text-decoration: none; letter-spacing: -0.5px; }
.nav-links { list-style: none; display: flex; align-items: center; gap: 8px; }
.nav-links a { font-size: 14px; font-weight: 500; color: var(--text); text-decoration: none; padding: 8px 12px; border-radius: var(--radius-sm); transition: background 0.15s ease; }
.nav-links a:hover { background: var(--surface); text-decoration: none; }
.nav-links a.active { color: var(--accent); }
.nav-sep { width: 1px; height: 20px; background: var(--line); margin: 0 4px; }

/* Developers dropdown */
.nav-dropdown { position: relative; }
.nav-dropdown-trigger { font-size: 14px; font-weight: 500; color: var(--text); padding: 8px 12px; border-radius: var(--radius-sm); cursor: pointer; background: none; border: none; font-family: inherit; display: flex; align-items: center; gap: 4px; transition: background 0.15s ease; }
.nav-dropdown-trigger:hover { background: var(--surface); }
.nav-dropdown-trigger svg { width: 12px; height: 12px; transition: transform 0.15s ease; }
.nav-dropdown.open .nav-dropdown-trigger svg { transform: rotate(180deg); }
.nav-dropdown-trigger.active { color: var(--accent); }
.nav-dropdown-menu { display: none; position: absolute; top: calc(100% + 8px); left: 0; background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius); padding: 8px; min-width: 200px; box-shadow: var(--shadow-hover); }
.nav-dropdown.open .nav-dropdown-menu { display: block; }
.nav-dropdown-menu a { display: block; padding: 8px 12px; font-size: 14px; font-weight: 500; color: var(--text); border-radius: var(--radius-sm); text-decoration: none; }
.nav-dropdown-menu a:hover { background: var(--surface); }

/* Mobile nav */
.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 8px; }
.nav-toggle svg { width: 24px; height: 24px; stroke: var(--text); }

@media (max-width: 860px) {
  .nav-shell { padding: 0 24px; }
  .nav-toggle { display: block; }
  .nav-links { display: none; position: absolute; top: 60px; left: 0; right: 0; background: var(--bg); border-bottom: 1px solid var(--line); flex-direction: column; padding: 16px 24px; gap: 4px; }
  .nav-links.open { display: flex; }
  .nav-links a, .nav-dropdown-trigger { width: 100%; padding: 10px 12px; }
  .nav-sep { display: none; }
  .nav-dropdown-menu { position: static; box-shadow: none; border: none; padding: 0 0 0 16px; }
  .nav-dropdown.open .nav-dropdown-menu { display: block; }
}

/* ——————————————————————————————————————————
   Buttons
   —————————————————————————————————————————— */

.btn { display: inline-flex; align-items: center; justify-content: center; height: 40px; padding: 0 20px; font-size: 14px; font-weight: 500; font-family: inherit; border-radius: var(--radius); cursor: pointer; text-decoration: none; transition: background 0.15s ease, box-shadow 0.25s ease; border: none; }
.btn:hover { text-decoration: none; }
.btn-primary { background: var(--accent); color: #FFFFFF; }
.btn-primary:hover { background: var(--accent-hover); box-shadow: var(--shadow-hover); }
.btn-primary:active { background: var(--accent-active); }
.btn-secondary { background: transparent; color: var(--text); border: 1px solid var(--line); }
.btn-secondary:hover { border-color: var(--line-hover); box-shadow: var(--shadow-hover); }
.btn-ghost { background: transparent; color: var(--text); }
.btn-ghost:hover { background: var(--surface); }

/* ——————————————————————————————————————————
   Cards
   —————————————————————————————————————————— */

.card { background: var(--surface); border-radius: var(--radius-lg); padding: 32px; transition: box-shadow 0.25s ease; }
.card:hover { box-shadow: var(--shadow-hover); }

/* ——————————————————————————————————————————
   Code blocks
   —————————————————————————————————————————— */

pre { background: #15191E; color: #F3F3F7; border-radius: var(--radius); padding: 24px; overflow-x: auto; font-family: "JetBrains Mono", "SF Mono", "Fira Code", ui-monospace, monospace; font-size: 14px; line-height: 1.6; }
code { font-family: "JetBrains Mono", "SF Mono", "Fira Code", ui-monospace, monospace; font-size: 0.9em; }
p code, li code, td code { background: var(--surface); padding: 2px 6px; border-radius: 4px; font-size: 0.85em; }
pre .c-kw { color: #FF7B7B; }
pre .c-str { color: #7EC699; }
pre .c-fn { color: #82AAFF; }
pre .c-dim { color: #6F737B; }
pre .c-key { color: #C792EA; }

/* ——————————————————————————————————————————
   Inputs
   —————————————————————————————————————————— */

input, textarea { border: 1px solid var(--line); border-radius: var(--radius); height: 40px; padding: 0 16px; font-family: inherit; font-size: 14px; color: var(--text); background: var(--bg); transition: border-color 0.15s ease; }
input:hover, textarea:hover { border-color: var(--line-hover); }
input:focus, textarea:focus { outline: none; box-shadow: 0 0 0 2px rgba(0, 110, 245, 0.8); }

/* ——————————————————————————————————————————
   Status badges
   —————————————————————————————————————————— */

.badge { display: inline-flex; align-items: center; padding: 2px 8px; border-radius: 4px; font-size: 12px; font-weight: 500; }
.badge-ok { background: #dcfce7; color: var(--green); }
.badge-err { background: #fef2f2; color: var(--red); }
.badge-warn { background: #fefce8; color: var(--amber); }

/* ——————————————————————————————————————————
   Layout utilities
   —————————————————————————————————————————— */

.container { max-width: var(--max-width); margin: 0 auto; padding: 0 72px; }
.section { padding: 120px 0; }

@media (max-width: 860px) {
  .container { padding: 0 24px; }
  .section { padding: 80px 0; }
}

/* ——————————————————————————————————————————
   Footer
   —————————————————————————————————————————— */

.footer { border-top: 1px solid var(--line); padding: 40px 0; color: var(--text-secondary); font-size: 14px; }
.footer-shell { max-width: var(--max-width); margin: 0 auto; padding: 0 72px; display: flex; justify-content: space-between; align-items: center; }
.footer-links { display: flex; gap: 24px; }
.footer-links a { color: var(--text-secondary); text-decoration: none; font-size: 14px; }
.footer-links a:hover { color: var(--text); }

@media (max-width: 860px) {
  .footer-shell { padding: 0 24px; flex-direction: column; gap: 16px; text-align: center; }
}

/* ——————————————————————————————————————————
   Method badges (docs)
   —————————————————————————————————————————— */

.method-badge { display: inline-flex; align-items: center; padding: 2px 8px; border-radius: 4px; font-size: 11px; font-weight: 700; font-family: "JetBrains Mono", ui-monospace, monospace; letter-spacing: 0.5px; text-transform: uppercase; }
.method-badge.get { background: #dcfce7; color: #16a34a; }
.method-badge.post { background: #dbeafe; color: #2563eb; }
.method-badge.del { background: #fef2f2; color: #dc2626; }

/* ——————————————————————————————————————————
   Docs three-panel layout
   —————————————————————————————————————————— */

.docs-three-panel { max-width: var(--max-width); margin: 0 auto; padding: 32px 72px; display: grid; grid-template-columns: 280px 1fr 200px; gap: 48px; }

.docs-left-nav { position: sticky; top: 80px; align-self: start; max-height: calc(100vh - 100px); overflow-y: auto; }
.docs-left-nav .nav-search { width: 100%; margin-bottom: 20px; position: relative; }
.docs-left-nav .nav-search input { width: 100%; height: 36px; padding: 0 12px; font-size: 13px; }
.docs-left-nav .nav-search .shortcut { position: absolute; right: 8px; top: 50%; transform: translateY(-50%); font-size: 11px; color: var(--text-disabled); background: var(--surface); padding: 2px 6px; border-radius: 4px; border: 1px solid var(--line); pointer-events: none; }
.docs-left-nav .nav-group { margin-bottom: 8px; }
.docs-left-nav .nav-group-header { display: flex; align-items: center; justify-content: space-between; padding: 8px 0; cursor: pointer; font-size: 12px; font-weight: 600; letter-spacing: 1px; text-transform: uppercase; color: var(--text-tertiary); border: none; background: none; width: 100%; font-family: inherit; }
.docs-left-nav .nav-group-header svg { width: 12px; height: 12px; transition: transform 0.15s ease; }
.docs-left-nav .nav-group.collapsed .nav-group-header svg { transform: rotate(-90deg); }
.docs-left-nav .nav-group.collapsed .nav-group-items { display: none; }
.docs-left-nav .nav-group-items a { display: flex; align-items: center; gap: 8px; padding: 6px 12px; font-size: 13px; color: var(--text-secondary); text-decoration: none; border-radius: var(--radius-sm); border-left: 2px solid transparent; }
.docs-left-nav .nav-group-items a:hover { color: var(--text); background: var(--surface); }
.docs-left-nav .nav-group-items a.active { color: var(--accent); border-left-color: var(--accent); font-weight: 500; }
.docs-left-nav .nav-group-items .method-badge { margin-right: 2px; }

.docs-main { min-width: 0; }
.docs-main .endpoint-section { padding: 32px 0; border-top: 1px solid var(--line); }
.docs-main .endpoint-section:first-child { border-top: none; padding-top: 0; }
.docs-main .endpoint-header { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.docs-main .endpoint-path { font-family: "JetBrains Mono", ui-monospace, monospace; font-size: 15px; color: var(--text); }
.docs-main .endpoint-panels { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 20px; }
.docs-main .endpoint-panels > div > h4 { font-size: 12px; font-weight: 600; letter-spacing: 1px; text-transform: uppercase; color: var(--text-tertiary); margin-bottom: 8px; }

.docs-toc { position: sticky; top: 80px; align-self: start; max-height: calc(100vh - 100px); overflow-y: auto; }
.docs-toc h4 { font-size: 11px; font-weight: 600; letter-spacing: 1px; text-transform: uppercase; color: var(--text-tertiary); margin-bottom: 12px; }
.docs-toc a { display: block; padding: 4px 0; font-size: 12px; color: var(--text-tertiary); text-decoration: none; border-left: 2px solid transparent; padding-left: 12px; }
.docs-toc a:hover { color: var(--text-secondary); }
.docs-toc a.active { color: var(--accent); border-left-color: var(--accent); }

@media (max-width: 1100px) {
  .docs-three-panel { grid-template-columns: 280px 1fr; }
  .docs-toc { display: none; }
  .docs-main .endpoint-panels { grid-template-columns: 1fr; }
}

@media (max-width: 860px) {
  .docs-three-panel { grid-template-columns: 1fr; padding: 24px; gap: 24px; }
  .docs-left-nav { position: static; max-height: none; }
  .docs-left-nav.collapsed { display: none; }
  .docs-nav-toggle { display: flex; align-items: center; gap: 8px; padding: 10px 16px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); font-size: 14px; font-weight: 500; cursor: pointer; width: 100%; margin-bottom: 16px; font-family: inherit; color: var(--text); }
}
@media (min-width: 861px) {
  .docs-nav-toggle { display: none; }
}

/* ——————————————————————————————————————————
   Feature animations (landing page)
   —————————————————————————————————————————— */

.anim-container { flex: 1; background: var(--surface); border-radius: var(--radius-lg); min-height: 280px; overflow: hidden; position: relative; display: flex; align-items: center; justify-content: center; }

@media (prefers-reduced-motion: reduce) {
  .anim-container * { animation: none !important; transition: none !important; }
  .anim-container .anim-step { opacity: 1 !important; transform: none !important; }
}