@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Sans:wght@400;500;600;700&family=IBM+Plex+Mono:wght@400;500;600&display=swap');

:root {
  --accent-h: 248;
  --accent:        oklch(0.66 0.15 var(--accent-h));
  --accent-strong: oklch(0.72 0.16 var(--accent-h));
  --accent-soft:   oklch(0.66 0.15 var(--accent-h) / 0.14);

  --ok:            oklch(0.74 0.15 158);
  --ok-soft:       oklch(0.74 0.15 158 / 0.14);
  --warn:          oklch(0.80 0.13 85);
  --warn-soft:     oklch(0.80 0.13 85 / 0.15);
  --danger:        oklch(0.68 0.18 22);
  --danger-soft:   oklch(0.68 0.18 22 / 0.15);
  --info:          oklch(0.72 0.12 230);
  --info-soft:     oklch(0.72 0.12 230 / 0.14);
  --sfl-cyan:      #56b0c9;
  --accent-line:   oklch(0.66 0.15 var(--accent-h) / 0.40);
  --muted-state:      oklch(0.65 0.01 256);
  --muted-state-soft: oklch(0.65 0.01 256 / 0.14);

  --bg:            oklch(0.165 0.012 258);
  --panel:         oklch(0.205 0.013 258);
  --panel-2:       oklch(0.235 0.014 258);
  --border:        oklch(0.31 0.013 258);
  --border-soft:   oklch(0.27 0.012 258);
  --border-strong: oklch(0.40 0.015 258);
  --text:          oklch(0.95 0.004 258);
  --text-dim:      oklch(0.74 0.008 258);
  --text-faint:    oklch(0.58 0.01 258);
  --text-ghost:    oklch(0.46 0.012 258);
  --shadow:        0 1px 2px oklch(0 0 0 / 0.4), 0 8px 28px oklch(0 0 0 / 0.32);
  --shadow-sm:     0 1px 2px oklch(0 0 0 / 0.35);
  --inset-hi:      oklch(1 0 0 / 0.04);

  --radius-sm: 7px;
  --radius-lg: 14px;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);

  --font-sans: "IBM Plex Sans", ui-sans-serif, system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace;

  color-scheme: dark;
}

html[data-theme="light"] {
  --bg: oklch(0.985 0.006 250);
  --panel: oklch(0.955 0.009 250);
  --panel-2: oklch(0.925 0.012 250);
  --border: oklch(0.82 0.018 250);
  --border-soft: oklch(0.88 0.014 250);
  --border-strong: oklch(0.68 0.025 250);
  --text: oklch(0.22 0.025 250);
  --text-dim: oklch(0.42 0.018 250);
  --text-faint: oklch(0.54 0.015 250);
  --text-ghost: oklch(0.64 0.012 250);
  --shadow: 0 1px 2px oklch(0.2 0.02 250 / 0.08), 0 8px 28px oklch(0.2 0.02 250 / 0.08);
  --shadow-sm: 0 1px 2px oklch(0.2 0.02 250 / 0.10);
  --inset-hi: oklch(1 0 0 / 0.65);
  color-scheme: light;
}

html[data-theme="light"] .ve-nav-icon,
html[data-theme="light"] .ve-provider-glyph img.is-light {
  filter: none;
  opacity: 1;
}
html[data-theme="light"] .ve-provider-glyph img.is-white {
  filter: brightness(0);
  opacity: 1;
}

html[data-theme="light"] .ve-btn-primary { color: oklch(0.98 0.006 250); }

* { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

.ve-nav-link {
  position: relative;
  padding-bottom: 3px;
  border-bottom: 1.5px solid transparent;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease);
}
.ve-nav-link:hover { border-bottom-color: var(--info); color: var(--text); }

.ve-brand-lockup { display: inline-flex; align-items: center; flex-wrap: nowrap; gap: 10px; min-width: 0; }
.ve-brand-link { display: inline-flex; flex: 0 0 auto; flex-direction: row; align-items: center; gap: 10px; min-width: 0; white-space: nowrap; color: var(--text); }
.ve-brand-link:hover { color: var(--text); }
.ve-brand-name { color: var(--text); font-size: 14.5px; font-weight: 600; letter-spacing: -0.01em; }
.ve-brand-logo { width: 30px; height: 30px; display: block; flex: none; object-fit: cover; border-radius: 8px; background: #fff; }
.ve-brand-logo.sm { width: 22px; height: 22px; border-radius: 6px; }
.ve-sfl-byline {
  display: inline-flex; align-items: center; gap: 8px; min-width: 0;
  padding-left: 14px; border-left: 1px solid var(--border-soft);
  color: var(--text-dim); font-size: 12.5px; font-weight: 500;
  letter-spacing: 0; line-height: 1.4; white-space: nowrap;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}
.ve-sfl-byline img { width: 24px; height: 24px; display: block; flex: none; border-radius: 50%; background: #fff; }
.ve-brand-lockup > .ve-sfl-byline { gap: 6px; font-size: 12px; }
.ve-brand-lockup > .ve-sfl-byline img { width: 18px; height: 18px; }
.ve-brand-lockup > .ve-sfl-byline a { color: var(--text-dim); font-weight: 500; }
.ve-sfl-byline.is-footer img { width: 22px; height: 22px; }
.ve-sfl-copy { display: inline-flex; align-items: baseline; gap: 4px; color: inherit; }
.ve-sfl-prefix { color: var(--text-faint); font-size: 11.5px; font-weight: 500; }
.ve-sfl-byline a { color: var(--text); font-weight: 600; transition: color 0.18s var(--ease); }
.ve-sfl-byline:hover { color: var(--text); border-left-color: var(--sfl-cyan); }
.ve-sfl-byline a:hover { color: var(--sfl-cyan); }
.ve-nav-icon { width: 20px; height: 20px; display: block; filter: brightness(0) invert(1); opacity: 0.72; transition: opacity 0.18s var(--ease); }
.ve-gh-link:hover .ve-nav-icon { opacity: 1; }

@media (max-width: 679px) {
  .ve-brand-lockup { align-items: center; flex-wrap: nowrap; gap: 8px; }
  .ve-brand-link { gap: 8px; }
  .ve-brand-logo { width: 28px; height: 28px; border-radius: 7px; }
  .ve-brand-name { font-size: 13.5px; }
  .ve-brand-lockup .ve-sfl-byline { flex: 0 1 auto; margin-left: 0; padding-left: 8px; gap: 6px; font-size: 11.5px; }
  .ve-brand-lockup .ve-sfl-byline img { width: 18px; height: 18px; }
  .ve-brand-lockup .ve-sfl-copy { gap: 4px; }
  .ve-brand-lockup .ve-sfl-prefix { font-size: 10.5px; }
}

.ve-code {
  display: block;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--text);
  background: var(--panel-2);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  overflow-x: auto;
  margin: 0;
  white-space: pre;
}

.ve-gh-link {
  display: flex;
  align-items: center;
  color: var(--text-faint);
  transition: all 0.18s var(--ease);
}
.ve-gh-link:hover { color: var(--text); transform: scale(1.12) rotate(-4deg); }

.ve-theme-toggle {
  font: 500 12px var(--font-sans);
  color: var(--text-faint);
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 50%;
  width: 34px; height: 34px; display: inline-flex; align-items: center; justify-content: center;
  padding: 0;
  cursor: pointer;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease), background 0.18s var(--ease);
}
.ve-theme-toggle:hover { color: var(--text); border-color: var(--border-strong); background: var(--panel-2); }
.ve-theme-icon { width: 18px; height: 18px; display: block; stroke-width: 2; }
.ve-theme-icon-moon { display: none; }
.ve-theme-toggle[data-theme-state="light"] .ve-theme-icon-sun { display: none; }
.ve-theme-toggle[data-theme-state="light"] .ve-theme-icon-moon { display: block; }

.ve-btn-primary {
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 600;
  color: oklch(0.18 0.02 258);
  background: var(--info);
  border: none;
  border-radius: var(--radius-sm);
  padding: 9px 18px;
  display: inline-block;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.16s var(--ease);
}
.ve-btn-primary:hover { background: var(--accent-strong); color: white; transform: translateY(-1px); }

.ve-btn-primary.lg { font-size: 14px; padding: 12px 22px; }

.ve-feature-card {
  background: var(--panel);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  padding: 22px;
  transition: all 0.2s var(--ease);
}
.ve-feature-card:hover { border-color: var(--border-strong); box-shadow: var(--shadow-sm); }

/* ---- tag ---- */
.ve-tag {
  display: inline-flex; align-items: center; gap: 5px;
  color: var(--ok); background: var(--ok-soft);
  font-family: var(--font-mono); font-size: 10px; font-weight: 600; letter-spacing: 0.03em;
  padding: 2px 7px; border-radius: var(--radius-sm);
  border: 1px solid color-mix(in oklab, var(--ok) 28%, transparent);
}
.ve-tag.tone-info  { color: var(--info); background: var(--info-soft); border-color: color-mix(in oklab, var(--info) 28%, transparent); }
.ve-tag.tone-muted { color: var(--text-faint); background: var(--panel-2); border-color: var(--border-soft); }

/* ---- provider glyph ---- */
.ve-provider-glyph {
  width: 30px; height: 30px; border-radius: 8px; flex: none;
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--panel-2); border: 1px solid var(--border-soft);
}
.ve-provider-glyph svg { width: 20px; height: 20px; }
.ve-provider-glyph img { width: 20px; height: 20px; display: block; object-fit: contain; }
.ve-provider-glyph img.is-light { filter: brightness(0) invert(1); opacity: 0.9; }
.ve-provider-glyph img.is-white { opacity: 0.9; }
.ve-provider-glyph.letter {
  font-family: var(--font-mono); font-size: 12px; font-weight: 600; letter-spacing: 0.02em; color: var(--text-dim);
}
.ve-provider-glyph.sm { width: 24px; height: 24px; }
.ve-provider-glyph.sm svg { width: 16px; height: 16px; }

/* ---- lift-hover card (Integrations, Docs) ---- */
.ve-card {
  display: block;
  background: var(--panel);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  padding: 18px;
  transition: all 0.2s var(--ease);
}
.ve-card:hover { border-color: var(--border-strong); transform: translateY(-2px); box-shadow: var(--shadow-sm); }