/* ─── Fonts ──────────────────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Silkscreen:wght@400;700&family=Inter:wght@400;500;600&family=Poppins:wght@600&display=swap');

/* ─── Design Tokens (Dark) ───────────────────────────────────── */
:root {
  --bg: #0f1117;
  --surface: #1a1d27;
  --surface2: #242836;
  --border: #2e3346;
  --text: #e1e4ed;
  --text-muted: #8b90a0;
  --accent: #126ed3;
  --accent-dim: #126ed322;
  --green: #4ade80;
  --green-dim: #4ade8018;
  --orange: #fb923c;
  --orange-dim: #fb923c18;
  --red: #f87171;
  --pink: #e879a0;
  --cyan: #67e8f9;
  --cyan-dim: #67e8f918;
  --pill-bg: #272b3a;
  --pill-border: #363c52;
}

/* ─── Light Theme ────────────────────────────────────────────── */
[data-theme="light"] {
  --bg: #f3f4f6;
  --surface: #ffffff;
  --surface2: #f0f2f5;
  --border: #dde1ea;
  --text: #1e2133;
  --text-muted: #626d8a;
  --accent: #3684c8;
  --accent-dim: #3684c820;
  --green: #07a35a;
  --green-dim: #07a35a18;
  --orange: #ed7d20;
  --orange-dim: #ed7d2018;
  --red: #e1434c;
  --pink: #c24789;
  --cyan: #0eb5cc;
  --cyan-dim: #0eb5cc18;
  --pill-bg: #eaecf5;
  --pill-border: #cdd1df;
}

/* Light-mode overrides for selection/hover states */
[data-theme="light"] .tree-row:hover   { background: #d6e8f7; }
[data-theme="light"] .tree-row.selected { background: #bcd9f2; }
[data-theme="light"] .col-row:hover    { background: #d6e8f7; }
[data-theme="light"] .col-row.selected  { background: #bcd9f2; }
[data-theme="light"] .tree-children::before,
[data-theme="light"] .tree-children > .tree-node > .tree-row::before { background: #e4e8f0; }

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-weight: 400;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-weight: 600;
}

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

/* ─── Scrollbar ──────────────────────────────────────────────── */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }

/* ─── Logo ───────────────────────────────────────────────────── */
.logo {
  text-decoration: none;
  display: flex;
  align-items: center;
}
.logo img {
  height: 28px;
  display: block;
}
.logo .logo-light { display: none; }
.logo .logo-dark  { display: block; }
[data-theme="light"] .logo .logo-light { display: block; }
[data-theme="light"] .logo .logo-dark  { display: none; }
.logo:hover { text-decoration: none; opacity: 0.85; }

/* ─── Version Badge ──────────────────────────────────────────── */
.version {
  font-size: 11px;
  color: var(--text-muted);
  background: var(--surface2);
  padding: 3px 8px;
  border-radius: 4px;
  font-family: 'SF Mono', 'Fira Code', monospace;
  border: 1px solid var(--border);
}

/* ─── Buttons ────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--surface2);
  color: var(--text);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
  text-decoration: none;
  font-family: inherit;
}
.btn:hover { border-color: var(--accent); background: var(--accent-dim); text-decoration: none; }
.btn-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}
.btn-primary:hover { opacity: 0.88; background: var(--accent); }
.btn-sm {
  padding: 4px 10px;
  font-size: 12px;
}

/* ─── Pills ──────────────────────────────────────────────────── */
.pill {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 5px 12px;
  border-radius: 4px;
  font-size: 13px;
  font-weight: 500;
  font-family: 'SF Mono', 'Fira Code', monospace;
  white-space: nowrap;
  border: 1px solid var(--pill-border);
  background: var(--pill-bg);
  transition: all 0.15s;
  user-select: none;
}
.pill-root {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  font-weight: 600;
}
.pill-group {
  background: var(--surface2);
  border-color: var(--pill-border);
  color: var(--text);
}
.pill-leaf {
  background: var(--pill-bg);
  border-color: var(--pill-border);
  color: var(--text-muted);
}

/* ─── Type Badges ────────────────────────────────────────────── */
.pill-type {
  font-size: 9px;
  padding: 1px 5px;
  border-radius: 3px;
  font-weight: 600;
  font-family: 'Inter', sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.pill-type.cmd { background: var(--green-dim); color: var(--green); }
.pill-type.group { background: var(--orange-dim); color: var(--orange); }
.pill-type.string { background: var(--cyan-dim); color: var(--cyan); }
.pill-type.boolean { background: var(--green-dim); color: var(--green); }
.pill-type.number { background: var(--orange-dim); color: var(--orange); }

/* ─── Nav ────────────────────────────────────────────────────── */
.nav {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 24px;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  position: sticky;
  top: 0;
  z-index: 100;
  height: 57px;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
}
.nav-link {
  padding: 5px 10px;
  border-radius: 5px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  text-decoration: none;
  transition: all 0.15s;
}
.nav-link:hover { color: var(--text); background: var(--surface2); text-decoration: none; }
.nav-link.active { color: var(--accent); }
.theme-toggle {
  background: none;
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: 0;
  width: 30px;
  height: 30px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1;
  transition: all 0.15s;
  flex-shrink: 0;
}
.theme-toggle:hover { border-color: var(--accent); color: var(--accent); }

/* ─── Code blocks ────────────────────────────────────────────── */
pre, code {
  font-family: 'SF Mono', 'Fira Code', monospace;
}
pre {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 12px 16px;
  font-size: 13px;
  overflow-x: auto;
  line-height: 1.6;
}
code {
  font-size: 13px;
  background: var(--surface2);
  padding: 1px 5px;
  border-radius: 3px;
  border: 1px solid var(--border);
}
pre code {
  background: transparent;
  border: none;
  padding: 0;
}

/* ─── Copy button ────────────────────────────────────────────── */
.code-block { position: relative; }
.code-block .copy-btn {
  position: absolute;
  top: 8px;
  right: 8px;
}
.copy-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 6px 14px;
  border-radius: 4px;
  border: 1px solid var(--border);
  background: var(--surface2);
  color: var(--text-muted);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s;
  font-family: inherit;
}
.copy-btn:hover { border-color: var(--accent); color: var(--accent); }
.copy-btn.copied { border-color: var(--green); color: var(--green); }

/* ─── Tables ─────────────────────────────────────────────────── */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
.data-table th {
  text-align: left;
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
  padding: 6px 10px;
  border-bottom: 1px solid var(--border);
}
.data-table td {
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
  line-height: 1.5;
}
.data-table tr:last-child td { border-bottom: none; }
.data-table tr:hover td { background: var(--surface2); }

/* ─── Footer ─────────────────────────────────────────────────── */
.footer {
  border-top: 1px solid var(--border);
  background: var(--surface);
  padding: 24px;
  text-align: center;
  font-size: 13px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}
.footer a { color: var(--text-muted); }
.footer a:hover { color: var(--accent); }