/* VibeCody Docs — Dual theme (light/dark) with thin flat SVG icons */

/* ── Dark Theme (default) ─────────────────────────────────────────── */
:root, [data-theme="dark"] {
  --bg-primary: #0c0c0e;
  --bg-secondary: #141418;
  --bg-tertiary: #1c1c22;
  --bg-hover: #22222a;
  --bg-active: #2a2a35;
  --bg-input: #1c1c22;
  --border: #2a2a35;
  --border-light: #333340;
  --text-primary: #e8e8ed;
  --text-secondary: #8888a0;
  --text-muted: #55556a;
  --accent: #7c6aef;
  --accent-hover: #9080ff;
  --accent-bg: rgba(124,106,239,0.10);
  --code-bg: #161620;
  --code-text: #e0b0ff;
  --blockquote-bg: rgba(124,106,239,0.08);
  --shadow: rgba(0,0,0,0.4);
  --success: #34d399;
  --success-bg: rgba(52,211,153,0.12);
  --danger: #ef4444;
  --danger-bg: rgba(239,68,68,0.12);
  --warning: #f5c542;
  --info: #6c8cff;
}

/* ── Light Theme ──────────────────────────────────────────────────── */
[data-theme="light"] {
  --bg-primary: #ffffff;
  --bg-secondary: #f8f8fa;
  --bg-tertiary: #f0f0f4;
  --bg-hover: #eaeaf0;
  --bg-active: #e0e0ea;
  --bg-input: #f4f4f8;
  --border: #e0e0e8;
  --border-light: #d0d0da;
  --text-primary: #1a1a2e;
  --text-secondary: #6b6b80;
  --text-muted: #9999aa;
  --accent: #6c5ce7;
  --accent-hover: #5a4bd6;
  --accent-bg: rgba(108,92,231,0.08);
  --code-bg: #f4f0ff;
  --code-text: #7c3aed;
  --blockquote-bg: rgba(108,92,231,0.05);
  --shadow: rgba(0,0,0,0.08);
  --success: #10b981;
  --success-bg: rgba(16,185,129,0.10);
  --danger: #dc2626;
  --danger-bg: rgba(220,38,38,0.10);
  --warning: #d4a017;
  --info: #4f6df5;
}

/* ── Shared Variables ─────────────────────────────────────────────── */
:root {
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
  --font-mono: 'SF Mono', 'Fira Code', 'JetBrains Mono', 'Cascadia Code', monospace;
  --sidebar-width: 256px;
  --toc-width: 210px;
  --header-height: 52px;
  --tabs-height: 40px;
  --content-max: 760px;
  --radius: 6px;
  --transition: 0.15s ease;
}

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

html {
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.65;
  color: var(--text-primary);
  background: var(--bg-primary);
  -webkit-font-smoothing: antialiased;
  transition: background var(--transition), color var(--transition);
}

body { background: var(--bg-primary); }

/* ── Top Header ───────────────────────────────────────────────────── */

.top-header {
  position: fixed; top: 0; left: 0; right: 0;
  height: var(--header-height);
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center;
  padding: 0 20px; z-index: 100; gap: 16px;
  transition: background var(--transition), border-color var(--transition);
}

.header-left { flex-shrink: 0; }

.logo {
  display: flex; align-items: center; gap: 8px;
  text-decoration: none; color: var(--text-primary);
  font-weight: 700; font-size: 16px;
}
.logo-icon { color: var(--accent); flex-shrink: 0; }

.header-center { flex: 1; max-width: 480px; margin: 0 auto; }

.search-box {
  display: flex; align-items: center;
  background: var(--bg-input); border: 1px solid var(--border);
  border-radius: 8px; padding: 6px 12px; gap: 8px; cursor: text;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.search-box:focus-within { border-color: var(--accent); box-shadow: 0 0 0 2px var(--accent-bg); }
.search-icon { color: var(--text-muted); flex-shrink: 0; }
.search-box input {
  background: none; border: none; color: var(--text-primary);
  font-size: 14px; outline: none; width: 100%; font-family: var(--font-sans);
}
.search-box input::placeholder { color: var(--text-muted); }
.search-shortcut {
  background: var(--bg-hover); border: 1px solid var(--border-light);
  border-radius: 4px; padding: 1px 6px; font-size: 11px;
  color: var(--text-muted); font-family: var(--font-mono); flex-shrink: 0;
}

.header-right { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.header-link {
  display: flex; align-items: center; gap: 6px;
  color: var(--text-secondary); text-decoration: none;
  font-size: 13px; font-weight: 500; transition: color var(--transition);
}
.header-link:hover { color: var(--text-primary); }
.header-link svg { flex-shrink: 0; }

/* ── Theme Toggle ─────────────────────────────────────────────────── */

.theme-toggle {
  display: flex; align-items: center; justify-content: center;
  width: 32px; height: 32px; border-radius: var(--radius);
  border: 1px solid var(--border); background: var(--bg-tertiary);
  color: var(--text-secondary); cursor: pointer;
  transition: all var(--transition);
}
.theme-toggle:hover { color: var(--text-primary); border-color: var(--border-light); background: var(--bg-hover); }

/* Show sun in dark mode, moon in light mode */
[data-theme="dark"] .icon-sun { display: block; }
[data-theme="dark"] .icon-moon { display: none; }
[data-theme="light"] .icon-sun { display: none; }
[data-theme="light"] .icon-moon { display: block; }

/* ── Top Tabs ─────────────────────────────────────────────────────── */

.top-tabs {
  position: fixed; top: var(--header-height); left: 0; right: 0;
  height: var(--tabs-height);
  background: var(--bg-secondary); border-bottom: 1px solid var(--border);
  display: flex; align-items: center; padding: 0 20px; gap: 4px; z-index: 99;
  transition: background var(--transition), border-color var(--transition);
}

.top-tab {
  display: flex; align-items: center; gap: 6px;
  padding: 7px 14px; color: var(--text-secondary); text-decoration: none;
  font-size: 13px; font-weight: 500; border-radius: var(--radius);
  transition: all var(--transition);
}
.top-tab svg { flex-shrink: 0; }
.top-tab:hover { color: var(--text-primary); background: var(--bg-hover); }
.top-tab.active { color: var(--text-primary); background: var(--bg-tertiary); }

/* ── Layout ───────────────────────────────────────────────────────── */

.docs-layout {
  display: flex;
  margin-top: calc(var(--header-height) + var(--tabs-height));
  min-height: calc(100vh - var(--header-height) - var(--tabs-height));
}

/* ── Sidebar ──────────────────────────────────────────────────────── */

.sidebar {
  position: fixed;
  top: calc(var(--header-height) + var(--tabs-height));
  left: 0; bottom: 0; width: var(--sidebar-width);
  background: var(--bg-primary); border-right: 1px solid var(--border);
  overflow-y: auto; padding: 12px 0; z-index: 50;
  transition: background var(--transition), border-color var(--transition);
}
.sidebar::-webkit-scrollbar { width: 3px; }
.sidebar::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }
.sidebar-nav { display: flex; flex-direction: column; }

.nav-link {
  display: flex; align-items: center; gap: 10px;
  padding: 6px 16px 6px 18px; color: var(--text-secondary);
  text-decoration: none; font-size: 13.5px; font-weight: 400;
  transition: all 0.1s; border-left: 2px solid transparent;
}
.nav-link:hover { color: var(--text-primary); background: var(--bg-hover); }
.nav-link.active {
  color: var(--accent); background: var(--accent-bg);
  border-left-color: var(--accent); font-weight: 500;
}
.nav-link.child { padding-left: 40px; font-size: 13px; gap: 8px; }
.child-dot { flex-shrink: 0; opacity: 0.5; }
.nav-link.child.active .child-dot { opacity: 1; }

.nav-icon { display: flex; align-items: center; width: 18px; justify-content: center; flex-shrink: 0; color: var(--text-muted); }
.nav-link.active .nav-icon { color: var(--accent); }

.nav-group-toggle {
  display: flex; align-items: center; gap: 10px; width: 100%;
  padding: 6px 16px 6px 18px; background: none; border: none;
  color: var(--text-secondary); font-size: 13.5px; font-family: var(--font-sans);
  cursor: pointer; text-align: left; transition: color 0.1s;
  border-left: 2px solid transparent;
}
.nav-group-toggle:hover { color: var(--text-primary); }
.nav-group-toggle.open { color: var(--text-primary); }

.chevron { margin-left: auto; transition: transform 0.2s; color: var(--text-muted); flex-shrink: 0; }
.nav-group-toggle.open .chevron { transform: rotate(90deg); }

.nav-group-children { display: none; flex-direction: column; }
.nav-group-children.open { display: flex; }

/* ── Content ──────────────────────────────────────────────────────── */

.content {
  margin-left: var(--sidebar-width); margin-right: var(--toc-width);
  flex: 1; max-width: var(--content-max); padding: 32px 48px 80px; min-height: 100vh;
}

.page-header { margin-bottom: 28px; }
.breadcrumb { font-size: 13px; color: var(--accent); margin-bottom: 6px; font-weight: 500; }
.page-title { font-size: 30px; font-weight: 700; color: var(--text-primary); line-height: 1.2; letter-spacing: -0.02em; }
.page-description { font-size: 16px; color: var(--text-secondary); margin-top: 6px; line-height: 1.5; }

.page-content h2 {
  font-size: 21px; font-weight: 700; color: var(--text-primary);
  margin: 32px 0 14px; letter-spacing: -0.01em;
}
.page-content h2:first-child { margin-top: 0; }

.page-content h3 { font-size: 17px; font-weight: 600; color: var(--text-primary); margin: 24px 0 10px; }
.page-content h4 { font-size: 15px; font-weight: 600; color: var(--text-secondary); margin: 18px 0 8px; }
.page-content p { margin: 0 0 14px; }
.page-content strong { font-weight: 600; }

.page-content a {
  color: var(--accent); text-decoration: underline;
  text-decoration-color: rgba(124,106,239,0.3);
  text-underline-offset: 2px; transition: text-decoration-color var(--transition);
}
.page-content a:hover { text-decoration-color: var(--accent); }

.page-content ul, .page-content ol { margin: 0 0 14px; padding-left: 22px; }
.page-content li { margin-bottom: 5px; }

.page-content code {
  font-family: var(--font-mono); font-size: 13px;
  background: var(--code-bg); padding: 2px 6px;
  border-radius: 4px; color: var(--code-text);
}

.page-content pre {
  background: var(--bg-secondary); border: 1px solid var(--border);
  border-radius: 8px; padding: 16px 20px; overflow-x: auto;
  margin: 0 0 18px; font-size: 13px; line-height: 1.6;
}
.page-content pre code { background: none; padding: 0; color: var(--text-primary); }

.page-content blockquote {
  border-left: 3px solid var(--accent); padding: 10px 16px; margin: 0 0 14px;
  background: var(--blockquote-bg); border-radius: 0 var(--radius) var(--radius) 0;
  color: var(--text-secondary);
}

.page-content table { width: 100%; border-collapse: collapse; margin: 0 0 18px; font-size: 14px; }
.page-content th {
  text-align: left; padding: 9px 12px; border-bottom: 2px solid var(--border-light);
  color: var(--text-secondary); font-weight: 600; font-size: 13px;
}
.page-content td { padding: 8px 12px; border-bottom: 1px solid var(--border); }
.page-content img { max-width: 100%; border-radius: 8px; margin: 14px 0; }
.page-content hr { display: none; }

/* ── TOC Sidebar ──────────────────────────────────────────────────── */

.toc-sidebar {
  position: fixed; top: calc(var(--header-height) + var(--tabs-height) + 28px);
  right: 20px; width: var(--toc-width);
  max-height: calc(100vh - var(--header-height) - var(--tabs-height) - 56px);
  overflow-y: auto;
}
.toc-title {
  font-size: 11px; font-weight: 600; color: var(--text-muted);
  text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 10px;
}
.toc-nav a {
  display: block; padding: 3px 0 3px 12px; font-size: 13px;
  color: var(--text-muted); text-decoration: none;
  border-left: 2px solid var(--border); transition: all 0.1s; line-height: 1.4;
}
.toc-nav a:hover { color: var(--text-secondary); }
.toc-nav a.active { color: var(--accent); border-left-color: var(--accent); }
.toc-nav a.toc-h3 { padding-left: 22px; font-size: 12px; }

/* ── Search Overlay ───────────────────────────────────────────────── */

.search-overlay {
  position: fixed; top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.5); z-index: 200;
  display: flex; justify-content: center; padding-top: 90px;
}
.search-results {
  background: var(--bg-secondary); border: 1px solid var(--border);
  border-radius: 12px; width: 560px; max-height: 460px; overflow-y: auto;
  padding: 6px; box-shadow: 0 16px 48px var(--shadow);
}
.search-result-item {
  padding: 10px 14px; border-radius: 8px; cursor: pointer;
  transition: background 0.1s; display: block; text-decoration: none;
}
.search-result-item:hover { background: var(--bg-hover); }
.search-result-title { font-weight: 600; font-size: 14px; color: var(--text-primary); }
.search-result-url { font-size: 12px; color: var(--text-muted); margin-top: 2px; }

/* ── Responsive ───────────────────────────────────────────────────── */

@media (max-width: 1200px) {
  .toc-sidebar { display: none; }
  .content { margin-right: 0; }
}

@media (max-width: 900px) {
  .sidebar { display: none; }
  .content { margin-left: 0; padding: 20px 16px; }
  .header-right span { display: none; }
}

/* ── Rouge Syntax (dark) ──────────────────────────────────────────── */
[data-theme="dark"] .highlight .k, [data-theme="dark"] .highlight .kd, [data-theme="dark"] .highlight .kn { color: #c792ea; }
[data-theme="dark"] .highlight .s, [data-theme="dark"] .highlight .s1, [data-theme="dark"] .highlight .s2 { color: #c3e88d; }
[data-theme="dark"] .highlight .c, [data-theme="dark"] .highlight .c1, [data-theme="dark"] .highlight .cm { color: #546e7a; font-style: italic; }
[data-theme="dark"] .highlight .n, [data-theme="dark"] .highlight .nf, [data-theme="dark"] .highlight .nb { color: #82aaff; }
[data-theme="dark"] .highlight .o, [data-theme="dark"] .highlight .p { color: #89ddff; }
[data-theme="dark"] .highlight .mi, [data-theme="dark"] .highlight .mf { color: #f78c6c; }
[data-theme="dark"] .highlight .na { color: #ffcb6b; }
[data-theme="dark"] .highlight .nt { color: #f07178; }

/* ── Rouge Syntax (light) ─────────────────────────────────────────── */
[data-theme="light"] .highlight .k, [data-theme="light"] .highlight .kd, [data-theme="light"] .highlight .kn { color: #7c3aed; }
[data-theme="light"] .highlight .s, [data-theme="light"] .highlight .s1, [data-theme="light"] .highlight .s2 { color: #16a34a; }
[data-theme="light"] .highlight .c, [data-theme="light"] .highlight .c1, [data-theme="light"] .highlight .cm { color: #9ca3af; font-style: italic; }
[data-theme="light"] .highlight .n, [data-theme="light"] .highlight .nf, [data-theme="light"] .highlight .nb { color: #2563eb; }
[data-theme="light"] .highlight .o, [data-theme="light"] .highlight .p { color: #6366f1; }
[data-theme="light"] .highlight .mi, [data-theme="light"] .highlight .mf { color: #ea580c; }
[data-theme="light"] .highlight .na { color: #ca8a04; }
[data-theme="light"] .highlight .nt { color: #dc2626; }

/* ── Do / Don't heading icons (themed check + x) ──────────────────── */
.docs-do,
.docs-dont {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1em;
  height: 1em;
  margin-right: 0.4em;
  border-radius: 4px;
  vertical-align: -0.15em;
  flex-shrink: 0;
}
.docs-do  { background: var(--success-bg); color: var(--success); }
.docs-dont { background: var(--danger-bg);  color: var(--danger); }
.docs-do::before,
.docs-dont::before {
  content: "";
  width: 0.7em;
  height: 0.7em;
  background-color: currentColor;
  -webkit-mask-position: center;
          mask-position: center;
  -webkit-mask-repeat: no-repeat;
          mask-repeat: no-repeat;
  -webkit-mask-size: contain;
          mask-size: contain;
}
.docs-do::before {
  -webkit-mask-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'><polyline points='20 6 9 17 4 12'/></svg>");
          mask-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'><polyline points='20 6 9 17 4 12'/></svg>");
}
.docs-dont::before {
  -webkit-mask-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'><line x1='18' y1='6' x2='6' y2='18'/><line x1='6' y1='6' x2='18' y2='18'/></svg>");
          mask-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'><line x1='18' y1='6' x2='6' y2='18'/><line x1='6' y1='6' x2='18' y2='18'/></svg>");
}

/* ── Color palette swatches (used in Color foundations doc) ───────── */
.swatch-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 12px;
  margin: 16px 0 24px;
}
.swatch-grid h4 {
  grid-column: 1 / -1;
  margin: 18px 0 4px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.swatch {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 12px;
  align-items: center;
  padding: 10px 12px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 6px;
}
.swatch-chip {
  width: 44px;
  height: 44px;
  border-radius: 6px;
  border: 1px solid var(--border);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.04);
  background-image:
    linear-gradient(45deg, rgba(127,127,127,0.12) 25%, transparent 25%),
    linear-gradient(-45deg, rgba(127,127,127,0.12) 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, rgba(127,127,127,0.12) 75%),
    linear-gradient(-45deg, transparent 75%, rgba(127,127,127,0.12) 75%);
  background-size: 10px 10px;
  background-position: 0 0, 0 5px, 5px -5px, -5px 0;
}
.swatch-chip > span {
  display: block;
  width: 100%;
  height: 100%;
  border-radius: 5px;
}
.swatch-meta {
  display: flex;
  flex-direction: column;
  min-width: 0;
}
.swatch-token {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.swatch-value {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-secondary);
  margin-top: 2px;
}
.swatch-desc {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 2px;
}

/* ── Lightbox ─────────────────────────────────────────────────────── */
#lightbox-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(0, 0, 0, 0.88);
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 12px;
  padding: 24px;
  cursor: zoom-out;
}
#lightbox-overlay.is-open {
  display: flex;
}
#lightbox-img {
  max-width: 92vw;
  max-height: 82vh;
  object-fit: contain;
  border-radius: 6px;
  box-shadow: 0 8px 48px rgba(0, 0, 0, 0.7);
  cursor: default;
  background: #fff;
}
#lightbox-caption {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.75);
  text-align: center;
  max-width: 680px;
}
#lightbox-close {
  position: fixed;
  top: 16px;
  right: 20px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #fff;
  font-size: 22px;
  line-height: 1;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s;
}
#lightbox-close:hover {
  background: rgba(255, 255, 255, 0.22);
}
.page-content img,
.post-content img {
  cursor: zoom-in;
}