/* ============================================================
   Brand Guardian — shared design tokens & primitives
   Palette: cool graphite paper + desaturated stamp-ink blue,
   muted brick/mustard/forest for severity — a review-desk
   world, not a neon dashboard.
   Type: Fraunces (editorial serif, headlines) · Public Sans
   (body — the US regulatory-design typeface, apt for a
   compliance tool) · IBM Plex Mono (timecodes, citations, data)
   ============================================================ */

:root {
  --bg: #E7E9EC;
  --surface: #F5F6F7;
  --surface-2: #FFFFFF;
  --border: #D3D7DB;
  --text: #14171C;
  --text-muted: #565D66;
  --text-faint: #868D96;

  --accent: #2E5481;
  --accent-soft: rgba(46, 84, 129, 0.09);
  --accent-strong: #1F3C5C;

  --critical: #9C3A2A;
  --critical-soft: rgba(156, 58, 42, 0.09);
  --warning: #90631A;
  --warning-soft: rgba(150, 102, 28, 0.10);
  --pass: #386F4C;
  --pass-soft: rgba(56, 111, 76, 0.10);

  --shadow: 0 1px 2px rgba(20, 23, 28, 0.04), 0 6px 20px -8px rgba(20, 23, 28, 0.12);

  --font-display: 'Fraunces', 'Iowan Old Style', Georgia, serif;
  --font-body: 'Public Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, 'SFMono-Regular', Menlo, monospace;

  --content: 800px;
  --content-wide: 1080px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14171A;
    --surface: #1B1F23;
    --surface-2: #20242A;
    --border: #2B3036;
    --text: #E7E9EC;
    --text-muted: #9198A0;
    --text-faint: #6B7178;

    --accent: #86ABD1;
    --accent-soft: rgba(134, 171, 209, 0.12);
    --accent-strong: #B4CEE7;

    --critical: #DE8770;
    --critical-soft: rgba(222, 135, 112, 0.13);
    --warning: #DBAE58;
    --warning-soft: rgba(219, 174, 88, 0.13);
    --pass: #74BE90;
    --pass-soft: rgba(116, 190, 144, 0.13);

    --shadow: 0 1px 2px rgba(0, 0, 0, 0.2), 0 10px 28px -10px rgba(0, 0, 0, 0.45);
  }
}

:root[data-theme="dark"] {
  --bg: #14171A;
  --surface: #1B1F23;
  --surface-2: #20242A;
  --border: #2B3036;
  --text: #E7E9EC;
  --text-muted: #9198A0;
  --text-faint: #6B7178;
  --accent: #86ABD1;
  --accent-soft: rgba(134, 171, 209, 0.12);
  --accent-strong: #B4CEE7;
  --critical: #DE8770;
  --critical-soft: rgba(222, 135, 112, 0.13);
  --warning: #DBAE58;
  --warning-soft: rgba(219, 174, 88, 0.13);
  --pass: #74BE90;
  --pass-soft: rgba(116, 190, 144, 0.13);
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.2), 0 10px 28px -10px rgba(0, 0, 0, 0.45);
}

:root[data-theme="light"] {
  --bg: #E7E9EC;
  --surface: #F5F6F7;
  --surface-2: #FFFFFF;
  --border: #D3D7DB;
  --text: #14171C;
  --text-muted: #565D66;
  --text-faint: #868D96;
  --accent: #2E5481;
  --accent-soft: rgba(46, 84, 129, 0.09);
  --accent-strong: #1F3C5C;
  --critical: #9C3A2A;
  --critical-soft: rgba(156, 58, 42, 0.09);
  --warning: #90631A;
  --warning-soft: rgba(150, 102, 28, 0.10);
  --pass: #386F4C;
  --pass-soft: rgba(56, 111, 76, 0.10);
  --shadow: 0 1px 2px rgba(20, 23, 28, 0.04), 0 6px 20px -8px rgba(20, 23, 28, 0.12);
}

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

html { color-scheme: light dark; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.01em;
  text-wrap: balance;
  color: var(--text);
}

a { color: var(--accent); }

::selection { background: var(--accent-soft); color: var(--text); }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 2px;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

/* ── Layout shell ── */

.shell {
  max-width: var(--content);
  margin: 0 auto;
  padding: 0 24px 96px;
}

.shell.wide { max-width: var(--content-wide); }

/* ── Top bar ── */

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 26px 0 56px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text);
}

.brand svg { display: block; flex-shrink: 0; }

.brand-word {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 17px;
  letter-spacing: -0.01em;
}

.topnav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.topnav a {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.15s ease;
}

.topnav a:hover { color: var(--text); }
.topnav a.current { color: var(--accent); }

.theme-toggle {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-muted);
  cursor: pointer;
  transition: border-color 0.15s ease, color 0.15s ease;
}

.theme-toggle:hover { border-color: var(--accent); color: var(--accent); }
.theme-toggle svg { width: 16px; height: 16px; }
.theme-toggle .sun { display: none; }
:root[data-theme="dark"] .theme-toggle .moon { display: none; }
:root[data-theme="dark"] .theme-toggle .sun { display: block; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .theme-toggle .moon { display: none; }
  :root:not([data-theme="light"]) .theme-toggle .sun { display: block; }
}

/* ── Eyebrow / section labels ── */

.eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}

.eyebrow::before { content: ''; width: 18px; height: 1px; background: currentColor; opacity: 0.6; }

.section-head {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-faint);
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
}

.section-head::after { content: ''; flex: 1; height: 1px; background: var(--border); }

/* ── Buttons ── */

.btn {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 14px;
  border: none;
  border-radius: 8px;
  padding: 13px 22px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  transition: background 0.15s ease, border-color 0.15s ease, transform 0.15s ease, opacity 0.15s ease;
  text-decoration: none;
}

.btn:disabled { opacity: 0.45; cursor: not-allowed; }

.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover:not(:disabled) { background: var(--accent-strong); }

.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-ghost:hover:not(:disabled) { border-color: var(--accent); color: var(--accent); }

.btn-danger {
  background: transparent;
  color: var(--critical);
  border: 1px solid var(--critical);
}
.btn-danger:hover:not(:disabled) { background: var(--critical-soft); }

.btn-sm { padding: 9px 16px; font-size: 13px; }

/* ── Surfaces / cards ── */

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
}

/* ── Chips / badges ── */

.chip {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 6px;
  border: 1px solid transparent;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}

.chip-critical { background: var(--critical-soft); color: var(--critical); border-color: color-mix(in srgb, var(--critical) 35%, transparent); }
.chip-warning  { background: var(--warning-soft);  color: var(--warning);  border-color: color-mix(in srgb, var(--warning) 35%, transparent); }
.chip-pass     { background: var(--pass-soft);     color: var(--pass);     border-color: color-mix(in srgb, var(--pass) 35%, transparent); }
.chip-accent   { background: var(--accent-soft);   color: var(--accent);   border-color: color-mix(in srgb, var(--accent) 35%, transparent); }
.chip-muted    { background: var(--surface-2);     color: var(--text-faint); border-color: var(--border); }

/* ── Form elements ── */

label {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 9px;
}

.field { margin-bottom: 20px; }
.field:last-child { margin-bottom: 0; }
.field .hint {
  margin-top: 8px;
  font-size: 12.5px;
  color: var(--text-faint);
  line-height: 1.55;
}

input[type="text"],
input[type="url"],
textarea {
  width: 100%;
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 14.5px;
  padding: 13px 14px;
  border-radius: 8px;
  outline: none;
  transition: border-color 0.15s ease;
}

input[type="text"]:focus,
input[type="url"]:focus,
textarea:focus { border-color: var(--accent); }

input::placeholder, textarea::placeholder { color: var(--text-faint); }

.checkbox-row {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13.5px;
  color: var(--text-muted);
  cursor: pointer;
}
.checkbox-row input { accent-color: var(--accent); width: 15px; height: 15px; cursor: pointer; }

/* File drop */

.file-drop {
  border: 1.5px dashed var(--border);
  border-radius: 10px;
  padding: 26px;
  text-align: center;
  cursor: pointer;
  position: relative;
  transition: border-color 0.15s ease, background 0.15s ease;
}

.file-drop:hover, .file-drop.drag-over {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.file-drop input[type="file"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
  width: 100%;
  height: 100%;
}

.file-drop-text {
  font-size: 13px;
  color: var(--text-muted);
}
.file-drop-text b { color: var(--accent); font-weight: 600; }

.file-name {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--pass);
  display: none;
}

/* ── Footer ── */

footer.site {
  margin-top: 88px;
  padding-top: 22px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--text-faint);
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: translateY(0); }
}

.enter { animation: fadeUp 0.5s ease both; }