/* ==========================================================================
   Kiwrious SDK Docs — modern stylesheet
   ========================================================================== */

:root {
  --color-bg: #ffffff;
  --color-surface: #fafbfc;
  --color-surface-2: #f3f4f7;
  --color-border: #e5e7eb;
  --color-border-strong: #d1d5db;
  --color-text: #111827;
  --color-text-soft: #4b5563;
  --color-text-muted: #6b7280;
  --color-link: #f85708;
  --color-link-hover: #c84305;
  --color-accent: #f85708;
  --color-accent-soft: #fff1ea;
  --color-code-bg: #1e293b;
  --color-pill-bg: #fff1ea;
  --color-pill-text: #a13104;
  --color-warning-bg: #fff7ed;
  --color-warning-border: #fdba74;
  --color-warning-text: #7c2d12;
  --color-info-bg: #eff6ff;
  --color-info-border: #93c5fd;
  --color-info-text: #1e3a8a;
  --color-bug-bg: #fef2f2;
  --color-bug-border: #fca5a5;
  --color-bug-text: #7f1d1d;

  --shadow-sm: 0 1px 2px rgba(15, 23, 42, .05);
  --shadow-md: 0 6px 24px rgba(15, 23, 42, .08);

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;

  --appbar-h: 56px;
  --sidebar-w: 280px;

  --font-sans: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

/* App bar
   ========================================================================== */
.appbar {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  gap: 14px;
  height: var(--appbar-h);
  padding: 0 20px;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: saturate(180%) blur(10px);
  -webkit-backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--color-border);
}

.appbar__menu {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-text);
  padding: 6px;
  border-radius: var(--radius-sm);
}
.appbar__menu:hover { background: var(--color-surface-2); }

.appbar__brand {
  display: flex;
  align-items: center;
  gap: 12px;
}
.appbar__logo {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: linear-gradient(135deg, #f85708 0%, #ff8a3d 100%);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 16px;
  letter-spacing: -0.5px;
}
.appbar__title {
  font-weight: 600;
  font-size: 15px;
  line-height: 1.1;
}
.appbar__subtitle {
  font-size: 12px;
  color: var(--color-text-muted);
  margin-top: 2px;
}

.appbar__spacer { flex: 1; }

.appbar__version {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  background: var(--color-pill-bg);
  color: var(--color-pill-text);
  padding: 4px 10px;
  border-radius: 999px;
}

.appbar__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 500;
  color: var(--color-text-soft);
  padding: 6px 10px;
  border-radius: var(--radius-sm);
}
.appbar__link:hover {
  background: var(--color-surface-2);
  color: var(--color-text);
  text-decoration: none;
}

/* Layout
   ========================================================================== */
.layout {
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  min-height: calc(100vh - var(--appbar-h));
}

.sidebar {
  border-right: 1px solid var(--color-border);
  background: var(--color-surface);
  position: sticky;
  top: var(--appbar-h);
  height: calc(100vh - var(--appbar-h));
  overflow-y: auto;
  padding: 24px 16px 60px;
}

.sidebar-backdrop {
  display: none;
  position: fixed;
  inset: var(--appbar-h) 0 0 0;
  background: rgba(15, 23, 42, .35);
  z-index: 40;
}
.sidebar-backdrop.is-open { display: block; }

/* Navigation
   ========================================================================== */
.nav__group {
  margin-bottom: 22px;
}
.nav__heading {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  padding: 0 10px;
  margin-bottom: 6px;
}
.nav__link {
  display: block;
  padding: 6px 10px;
  font-size: 14px;
  color: var(--color-text-soft);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-weight: 500;
  margin-bottom: 1px;
}
.nav__link:hover {
  background: var(--color-surface-2);
  color: var(--color-text);
  text-decoration: none;
}
.nav__link.is-active {
  background: var(--color-accent-soft);
  color: var(--color-accent);
  font-weight: 600;
}

/* Content
   ========================================================================== */
.content {
  padding: 40px clamp(24px, 5vw, 64px) 80px;
  max-width: 920px;
  width: 100%;
}

.article { min-height: 70vh; }
.loading {
  color: var(--color-text-muted);
  font-style: italic;
}

/* Markdown body
   ========================================================================== */
.markdown-body h1,
.markdown-body h2,
.markdown-body h3,
.markdown-body h4 {
  scroll-margin-top: calc(var(--appbar-h) + 16px);
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.25;
}

.markdown-body h1 {
  font-size: 32px;
  margin: 0 0 12px;
  letter-spacing: -0.02em;
}
.markdown-body > p:first-of-type {
  font-size: 17px;
  color: var(--color-text-soft);
  margin-top: 0;
  margin-bottom: 28px;
}
.markdown-body h2 {
  font-size: 22px;
  margin: 40px 0 14px;
  padding-top: 16px;
  border-top: 1px solid var(--color-border);
}
.markdown-body h2:first-of-type { border-top: none; padding-top: 0; }
.markdown-body h3 { font-size: 17px; margin: 28px 0 8px; }
.markdown-body h4 { font-size: 14px; margin: 20px 0 6px; color: var(--color-text-soft); text-transform: uppercase; letter-spacing: 0.05em; }

.markdown-body p { margin: 12px 0; }

.markdown-body ul,
.markdown-body ol { padding-left: 24px; margin: 12px 0; }
.markdown-body li { margin: 4px 0; }

.markdown-body strong { color: var(--color-text); font-weight: 600; }

.markdown-body a { font-weight: 500; }

.markdown-body blockquote {
  border-left: 3px solid var(--color-accent);
  background: var(--color-accent-soft);
  padding: 12px 16px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin: 16px 0;
  color: var(--color-text);
}
.markdown-body blockquote p { margin: 4px 0; }

/* Inline code */
.markdown-body :not(pre) > code {
  font-family: var(--font-mono);
  font-size: 0.875em;
  background: var(--color-surface-2);
  color: #b91c1c;
  padding: 2px 6px;
  border-radius: 4px;
  border: 1px solid var(--color-border);
}

/* Code blocks */
.markdown-body pre {
  position: relative;
  background: #1e1e2e !important;
  border-radius: var(--radius-md);
  padding: 16px 20px;
  margin: 16px 0;
  overflow-x: auto;
  font-size: 13.5px;
  line-height: 1.55;
  border: 1px solid #1a1a26;
  box-shadow: var(--shadow-sm);
}
.markdown-body pre code {
  font-family: var(--font-mono);
  background: transparent !important;
  color: inherit;
  border: none;
  padding: 0;
  font-size: inherit;
}

/* Copy button */
.copy-btn {
  position: absolute;
  top: 8px;
  right: 8px;
  background: rgba(255, 255, 255, 0.08);
  color: #cbd5e1;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius-sm);
  padding: 4px 10px;
  font-size: 12px;
  font-family: var(--font-sans);
  font-weight: 500;
  cursor: pointer;
  opacity: 0;
  transition: opacity .15s ease, background .15s ease;
}
.markdown-body pre:hover .copy-btn { opacity: 1; }
.copy-btn:hover { background: rgba(255, 255, 255, 0.16); color: #fff; }
.copy-btn.is-copied { background: #16a34a; border-color: #16a34a; color: white; opacity: 1; }

/* Tables */
.markdown-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
  font-size: 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.markdown-body thead {
  background: var(--color-surface-2);
}
.markdown-body th,
.markdown-body td {
  text-align: left;
  padding: 10px 14px;
  border-bottom: 1px solid var(--color-border);
}
.markdown-body th {
  font-weight: 600;
  font-size: 13px;
  color: var(--color-text);
  letter-spacing: 0.01em;
}
.markdown-body tr:last-child td { border-bottom: none; }
.markdown-body tbody tr:nth-child(even) { background: #fafbfc; }

/* Callouts: parsed from blockquote variants */
.callout {
  display: block;
  padding: 14px 18px;
  border-radius: var(--radius-md);
  border: 1px solid;
  margin: 18px 0;
  font-size: 14.5px;
}
.callout--info {
  background: var(--color-info-bg);
  border-color: var(--color-info-border);
  color: var(--color-info-text);
}
.callout--warn {
  background: var(--color-warning-bg);
  border-color: var(--color-warning-border);
  color: var(--color-warning-text);
}
.callout--bug {
  background: var(--color-bug-bg);
  border-color: var(--color-bug-border);
  color: var(--color-bug-text);
}
.callout__label {
  display: inline-block;
  font-weight: 700;
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 6px;
}
.callout p { margin: 4px 0; }

/* Cards (used on overview page) */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin: 24px 0;
}
.card {
  display: block;
  padding: 18px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  text-decoration: none;
  color: inherit;
  transition: border-color .15s ease, box-shadow .15s ease, transform .15s ease;
  cursor: pointer;
}
.card:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
  text-decoration: none;
}
.card__title {
  font-weight: 600;
  font-size: 15px;
  margin: 0 0 4px;
  color: var(--color-text);
}
.card__desc {
  font-size: 13px;
  color: var(--color-text-muted);
  margin: 0;
}

/* Hero */
.hero {
  padding: 32px 0 12px;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 24px;
}
.hero__title {
  font-size: 38px;
  font-weight: 800;
  letter-spacing: -0.025em;
  margin: 0 0 12px;
  background: linear-gradient(135deg, #111827 0%, #f85708 90%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero__lead {
  font-size: 18px;
  color: var(--color-text-soft);
  margin: 0 0 16px;
  max-width: 640px;
}
.hero__pills {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.pill {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--color-surface-2);
  color: var(--color-text-soft);
  border: 1px solid var(--color-border);
}

/* Footer */
.footer {
  margin-top: 80px;
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
  font-size: 13px;
  color: var(--color-text-muted);
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

/* Responsive
   ========================================================================== */
@media (max-width: 900px) {
  .appbar__menu { display: inline-flex; }
  .appbar__subtitle { display: none; }
  .layout { grid-template-columns: 1fr; }
  .sidebar {
    position: fixed;
    top: var(--appbar-h);
    left: 0;
    width: var(--sidebar-w);
    transform: translateX(-100%);
    transition: transform .25s ease;
    z-index: 50;
    box-shadow: var(--shadow-md);
  }
  .sidebar.is-open { transform: translateX(0); }
  .content { padding: 28px 20px 60px; }
  .hero__title { font-size: 28px; }
}

/* Print */
@media print {
  .appbar, .sidebar, .footer, .copy-btn { display: none !important; }
  .content { max-width: 100%; padding: 0; }
}