/* petri-mcp shared theme — Vercel/Geist dark */

@font-face {
  font-family: "Geist";
  src: url("/fonts/Geist-Variable.woff2") format("woff2-variations");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Geist Mono";
  src: url("/fonts/GeistMono-Variable.woff2") format("woff2-variations");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

:root {
  --font-sans: "Geist", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-mono: "Geist Mono", ui-monospace, "SF Mono", Monaco, Menlo, monospace;

  --bg: #0a0a0a;
  --bg-elev-1: #111111;
  --bg-elev-2: #161616;
  --fg: #ededed;
  --fg-muted: #888888;
  --fg-subtle: #555555;
  --border: #1f1f1f;
  --border-strong: #2a2a2a;
  --accent: #0070f3;
  --accent-fg: #ffffff;
  --accent-tint: rgba(0, 112, 243, 0.15);
  --brand-accent: #22c55e;
  --warning: #f5a623;
  --error: #ff4d4f;

  --radius: 6px;
  --radius-pill: 999px;
  --radius-lg: 12px;

  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 12px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 64px;
  --space-4xl: 96px;

  --max-width: 1200px;
  --max-width-wide: 1400px;
  --max-width-prose: 720px;

  --header-h: 56px;
}

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

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--fg);
  font-size: 15px;
  line-height: 1.5;
  letter-spacing: -0.01em;
  font-feature-settings: "cv11" 1, "ss01" 1;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4 {
  margin: 0;
  color: var(--fg);
  font-weight: 600;
}

h1 { font-size: 48px; line-height: 1.1;  letter-spacing: -0.04em; }
h2 { font-size: 28px; line-height: 1.2;  letter-spacing: -0.02em; }
h3 { font-size: 18px; line-height: 1.3;  letter-spacing: -0.015em; }
h4 { font-size: 14px; line-height: 1.4;  letter-spacing: -0.01em; }

p { margin: 0; }

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

code, kbd, samp, pre, .mono {
  font-family: var(--font-mono);
  font-feature-settings: "ss01" 1, "ss02" 1, "ss03" 1;
}

.tabular { font-variant-numeric: tabular-nums; }
.muted   { color: var(--fg-muted); }
.subtle  { color: var(--fg-subtle); }

.section-label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--fg-muted);
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: inherit;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: -0.005em;
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.12s ease, color 0.12s ease, border-color 0.12s ease;
  text-decoration: none;
  line-height: 1;
  height: 36px;
}

.btn-primary {
  background: var(--accent);
  color: var(--accent-fg);
}
.btn-primary:hover {
  background: #1a82ff;
  color: var(--accent-fg);
}

.btn-secondary {
  background: transparent;
  color: var(--fg);
  border-color: var(--border-strong);
}
.btn-secondary:hover {
  background: var(--bg-elev-1);
  color: var(--fg);
  border-color: var(--fg-muted);
}

.btn-ghost {
  background: transparent;
  color: var(--fg-muted);
  border: none;
  padding: 8px 12px;
}
.btn-ghost:hover { color: var(--fg); background: transparent; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-lg);
  border-bottom: 1px solid var(--border);
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
}

.site-header .brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: -0.015em;
  color: var(--fg);
}

.site-header .brand-mark {
  width: 24px;
  height: 24px;
  background: url("/logo.png") center / contain no-repeat;
  flex-shrink: 0;
}

.site-header nav {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 2px 8px;
  height: 22px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-strong);
  background: var(--bg-elev-1);
  color: var(--fg-muted);
  font-size: 11px;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.005em;
}

.badge-accent {
  background: rgba(0, 112, 243, 0.12);
  border-color: rgba(0, 112, 243, 0.4);
  color: #69b1ff;
}

.badge-outline {
  background: transparent;
  border-color: var(--border-strong);
  color: var(--fg);
}

.badge-muted {
  background: var(--bg-elev-1);
  border-color: var(--border);
  color: var(--fg-subtle);
}

.card {
  background: var(--bg-elev-1);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--space-lg);
}

.input,
input[type="text"],
input[type="number"],
input[type="url"] {
  font-family: inherit;
  font-size: 14px;
  color: var(--fg);
  background: var(--bg-elev-1);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  padding: 8px 12px;
  height: 36px;
  outline: none;
  transition: border-color 0.12s ease, box-shadow 0.12s ease;
  width: 100%;
}

.input:focus,
input[type="text"]:focus,
input[type="number"]:focus,
input[type="url"]:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-tint);
}

::selection { background: var(--accent-tint); color: var(--fg); }