/* =========================================================
   KMS Theme — base.css
   Design tokens, reset, and typography.
   Palette is a placeholder approximation of Penn-style colors;
   replace --kms-color-primary / --kms-color-secondary with the
   official brand hex values when available.
   ========================================================= */

:root {
  /* Color tokens (placeholder, university-style) */
  --kms-color-primary: #990000;        /* deep red */
  --kms-color-primary-dark: #770000;
  --kms-color-secondary: #011f5b;      /* deep blue */
  --kms-color-secondary-dark: #001440;
  --kms-color-bg: #fafaf7;             /* warm off-white */
  --kms-color-surface: #ffffff;
  --kms-color-text: #1a1a1a;
  --kms-color-text-muted: #5a5a5a;
  --kms-color-border: #d8d8d8;
  --kms-color-border-strong: #b0b0b0;
  --kms-color-link: var(--kms-color-secondary);
  --kms-color-link-hover: var(--kms-color-primary);

  /* Status colors */
  --kms-color-success: #1a6b3a;
  --kms-color-warning: #a96400;
  --kms-color-error: #a30000;
  --kms-color-info: #1a4f7a;

  /* Typography */
  --kms-font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --kms-font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  --kms-font-size-base: 14px;          /* compact baseline */
  --kms-font-size-sm: 12px;
  --kms-font-size-lg: 16px;
  --kms-line-height: 1.4;

  /* Spacing scale (compact) */
  --kms-space-1: 4px;
  --kms-space-2: 8px;
  --kms-space-3: 12px;
  --kms-space-4: 16px;
  --kms-space-5: 24px;
  --kms-space-6: 32px;

  /* Layout */
  --kms-sidebar-width: 240px;
  --kms-header-height: 64px;
  --kms-logo-height: 48px;
  --kms-radius: 3px;
}

*, *::before, *::after {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--kms-font-sans);
  font-size: var(--kms-font-size-base);
  line-height: var(--kms-line-height);
  color: var(--kms-color-text);
  background-color: var(--kms-color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  margin: 0 0 var(--kms-space-3);
  font-weight: 600;
  line-height: 1.25;
  color: var(--kms-color-text);
}

h1 { font-size: 22px; }
h2 { font-size: 18px; }
h3 { font-size: 16px; }
h4 { font-size: 14px; }
h5 { font-size: 13px; }
h6 { font-size: 12px; text-transform: uppercase; letter-spacing: 0.04em; }

p {
  margin: 0 0 var(--kms-space-3);
}

a {
  color: var(--kms-color-link);
  text-decoration: underline;
  text-underline-offset: 2px;
}

a:hover, a:focus {
  color: var(--kms-color-link-hover);
}

code, pre {
  font-family: var(--kms-font-mono);
  font-size: 13px;
}

pre {
  padding: var(--kms-space-3);
  background-color: #f3f3f0;
  border: 1px solid var(--kms-color-border);
  border-radius: var(--kms-radius);
  overflow-x: auto;
}

img, svg {
  max-width: 100%;
  height: auto;
}

hr {
  border: 0;
  border-top: 1px solid var(--kms-color-border);
  margin: var(--kms-space-4) 0;
}

/* Skip-link (accessibility) */
.skip-link {
  position: absolute;
  top: -40px;
  left: var(--kms-space-2);
  padding: var(--kms-space-2) var(--kms-space-3);
  background: var(--kms-color-secondary);
  color: #fff;
  z-index: 1000;
}
.skip-link:focus {
  top: var(--kms-space-2);
}

/* Drupal's visually-hidden helper */
.visually-hidden {
  position: absolute !important;
  clip: rect(1px, 1px, 1px, 1px);
  overflow: hidden;
  height: 1px;
  width: 1px;
  word-wrap: normal;
}
.visually-hidden.focusable:active,
.visually-hidden.focusable:focus {
  position: static !important;
  clip: auto;
  overflow: visible;
  height: auto;
  width: auto;
}