/* CGDSP Hub design system — light mode only, WCAG-AA verified token pairs.
   Palette: PTI primary blue (OKLCH hue ≈ 245) + warm orange accent (hue ≈ 55). */

:root {
  /* Primary blue (oklch hue ~245) */
  --primary-900: #12325c;
  --primary-700: #1d4e8f;  /* brand */
  --primary-600: #2563a8;
  --primary-100: #dce9f7;
  --primary-50:  #eef4fb;
  /* Warm orange accent (oklch hue ~55) */
  --accent-600: #b45309;   /* AA on white (5.02) */
  --accent-500: #d97706;   /* large text / graphics only */
  --accent-100: #fdeeda;
  /* Neutrals */
  --ink:       #1a2332;
  --ink-soft:  #4a5568;
  --line:      #d9dee7;
  --surface:     #ffffff;
  --surface-alt: #f5f7fa;
  /* Status */
  --success: #1e7d43;
  --warning: #b45309;
  --danger:  #b3261e;
  --info:    #2563a8;

  --font-sans: Seravek, "Segoe UI", Frutiger, Calibri, "Gill Sans", "Noto Sans", source-sans-pro, system-ui, sans-serif;
  --radius: 8px;
  --radius-sm: 5px;
  --shadow-card: 0 1px 3px rgba(18, 50, 92, 0.10), 0 1px 2px rgba(18, 50, 92, 0.06);
  --space-1: .25rem; --space-2: .5rem; --space-3: 1rem; --space-4: 1.5rem;
  --space-5: 2.5rem; --space-6: 4rem;
  --content-max: 72rem;
}

* { box-sizing: border-box; }
html { font-size: 16px; }
body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--ink);
  background: var(--surface);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 { line-height: 1.2; color: var(--primary-900); margin: 0 0 var(--space-3); font-weight: 650; }
h1 { font-size: 2rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.2rem; }
p { margin: 0 0 var(--space-3); }
a { color: var(--primary-600); text-decoration-thickness: 1px; text-underline-offset: 2px; }
a:hover { color: var(--primary-700); }

/* Focus visibility (keyboard nav) */
:focus-visible {
  outline: 3px solid var(--accent-500);
  outline-offset: 2px;
  border-radius: 2px;
}

/* Skip link */
.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 100;
  background: var(--primary-900); color: #fff; padding: var(--space-2) var(--space-3);
  border-radius: 0 0 var(--radius-sm) 0;
}
.skip-link:focus { left: 0; color: #fff; }

/* ---------- Header / nav ---------- */
.site-header {
  background: var(--primary-900);
  color: #fff;
  border-bottom: 4px solid var(--accent-500);
}
.site-header__inner {
  max-width: var(--content-max); margin: 0 auto; padding: 0 var(--space-3);
  display: flex; align-items: center; gap: var(--space-4); min-height: 64px; flex-wrap: wrap;
}
.site-brand { display: flex; align-items: center; gap: var(--space-2); color: #fff; text-decoration: none; font-weight: 700; font-size: 1.15rem; padding: var(--space-2) 0; }
.site-brand img { height: 36px; width: auto; display: block; }
.site-nav { display: flex; gap: var(--space-1); flex-wrap: wrap; align-items: center; margin-left: auto; }
.site-nav a {
  color: #e7eefb; text-decoration: none; padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm); font-weight: 500;
}
.site-nav a:hover { background: rgba(255,255,255,.12); color: #fff; }
.site-nav a.is-active { background: rgba(255,255,255,.16); color: #fff; }
.site-nav .nav-cta {
  background: var(--accent-500); color: var(--primary-900); font-weight: 650;
}
.site-nav .nav-cta:hover { background: #e08414; color: var(--primary-900); }

/* ---------- Layout ---------- */
.page-main { max-width: var(--content-max); margin: 0 auto; padding: var(--space-5) var(--space-3) var(--space-6); }
.page-main--narrow { max-width: 46rem; }
.page-header { margin-bottom: var(--space-4); }
.page-header .lede { color: var(--ink-soft); font-size: 1.05rem; max-width: 55ch; }

.site-footer { background: var(--surface-alt); border-top: 1px solid var(--line); color: var(--ink-soft); }
.site-footer__inner { max-width: var(--content-max); margin: 0 auto; padding: var(--space-4) var(--space-3); display: flex; gap: var(--space-4); flex-wrap: wrap; justify-content: space-between; font-size: .92rem; }
.site-footer a { color: var(--ink-soft); }

/* ---------- Components ---------- */
.card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow-card); padding: var(--space-4);
}
.card + .card { margin-top: var(--space-3); }
.card--flat { box-shadow: none; }
.card-grid { display: grid; gap: var(--space-3); grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }

/* Partner logos: contained, never cropped, and bounded so a tall SVG can't stretch a card. */
.partner-logo, .partner-logo-preview {
  display: block; max-width: 100%; height: auto; object-fit: contain; background: var(--surface);
}
.partner-logo { max-height: 72px; }
.partner-logo-preview { max-height: 96px; border: 1px solid var(--line); border-radius: var(--radius); padding: var(--space-2); }
/* Placeholder mark for partners without a logo — decorative, aria-hidden in markup. */
.partner-logo-placeholder {
  display: flex; align-items: center; justify-content: center;
  height: 72px; width: 72px; border-radius: var(--radius); background: var(--surface-alt);
  color: var(--ink-soft); font-weight: 700; font-size: 1.5rem; letter-spacing: .05em;
}
.partner-logo--lg { max-height: 96px; }

.partner-cards { list-style: none; padding: 0; margin: 0; }
.partner-card__link { display: block; text-decoration: none; color: inherit; }
.partner-card__link:hover .partner-card__name, .partner-card__link:focus-visible .partner-card__name {
  text-decoration: underline;
}
.partner-card__name { font-size: 1.15rem; margin: var(--space-3) 0 0; }
.partner-card__meta { color: var(--ink-soft); font-size: .9rem; margin: var(--space-2) 0 0; }

.partner-header { display: flex; gap: var(--space-3); align-items: center; flex-wrap: wrap; }

.breadcrumb { display: flex; gap: var(--space-2); font-size: .9rem; color: var(--ink-soft); margin-bottom: var(--space-3); }

.detail-list { display: grid; grid-template-columns: max-content 1fr; gap: var(--space-2) var(--space-3); margin: var(--space-3) 0 0; }
.detail-list dt { color: var(--ink-soft); font-weight: 600; }
.detail-list dd { margin: 0; }

.course-links { list-style: none; padding: 0; margin: 0; }

.catalog-filters {
  display: grid; gap: var(--space-3); margin-bottom: var(--space-4);
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); align-items: end;
}
.catalog-filters .form-field { margin: 0; }
.catalog-filters__actions { display: flex; gap: var(--space-2); flex-wrap: wrap; }

/* Approved / pending / drafted, side by side so the three are never confused. */
.hours-summary__grid {
  display: grid; gap: var(--space-3); margin-top: var(--space-3);
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}
.hours-summary__value { display: block; font-size: 2rem; font-weight: 700; line-height: 1.1; }
.hours-summary__label { display: block; color: var(--ink-soft); font-weight: 600; }

.btn {
  display: inline-flex; align-items: center; gap: var(--space-2);
  font: inherit; font-weight: 600; cursor: pointer; text-decoration: none;
  border-radius: var(--radius-sm); border: 1px solid transparent;
  padding: .55rem 1.1rem; transition: background .15s ease;
}
.btn-primary { background: var(--primary-700); color: #fff; }
.btn-primary:hover { background: var(--primary-900); color: #fff; }
.btn-secondary { background: var(--surface); color: var(--primary-700); border-color: var(--primary-600); }
.btn-secondary:hover { background: var(--primary-50); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: #8f1e18; color: #fff; }
.btn:disabled, .btn[aria-disabled="true"] { opacity: .55; cursor: not-allowed; }
.btn-sm { padding: .3rem .7rem; font-size: .9rem; }

.badge {
  display: inline-block; padding: .15rem .6rem; border-radius: 999px;
  font-size: .82rem; font-weight: 650; border: 1px solid transparent; white-space: nowrap;
}
.badge-active   { background: #e3f3ea; color: #135c30; border-color: #b9e0c9; }
.badge-pending  { background: var(--accent-100); color: #7c3a06; border-color: #f3d3a7; }
.badge-expired  { background: #f7e3e2; color: #8f1e18; border-color: #ecc0bd; }
.badge-none     { background: var(--surface-alt); color: var(--ink-soft); border-color: var(--line); }
.badge-info     { background: var(--primary-100); color: var(--primary-900); border-color: #bcd4ee; }

/* ---------- Forms ---------- */
.form-field { margin-bottom: var(--space-3); }
.form-field label { display: block; font-weight: 600; margin-bottom: var(--space-1); }
.form-hint { color: var(--ink-soft); font-size: .9rem; margin-top: var(--space-1); }
input[type="text"], input[type="email"], input[type="password"], input[type="number"],
input[type="date"], input[type="datetime-local"], input[type="url"], input[type="search"],
select, textarea {
  font: inherit; color: var(--ink); background: var(--surface);
  border: 1px solid var(--line); border-radius: var(--radius-sm);
  padding: .5rem .7rem; width: 100%; max-width: 28rem;
}
textarea { max-width: 100%; min-height: 7rem; }
input:focus, select:focus, textarea:focus { border-color: var(--primary-600); }
.field-validation-error { color: var(--danger); font-size: .9rem; display: block; margin-top: var(--space-1); }
.input-validation-error { border-color: var(--danger) !important; }
.validation-summary-errors { background: #f7e3e2; border: 1px solid #ecc0bd; color: #8f1e18; border-radius: var(--radius-sm); padding: var(--space-2) var(--space-3); margin-bottom: var(--space-3); }
.validation-summary-errors ul { margin: 0; padding-left: 1.2rem; }
.validation-summary-valid { display: none; }

/* Alerts / flash messages */
.alert { border-radius: var(--radius-sm); padding: var(--space-2) var(--space-3); margin-bottom: var(--space-3); border: 1px solid; }
.alert-success { background: #e3f3ea; border-color: #b9e0c9; color: #135c30; }
.alert-danger  { background: #f7e3e2; border-color: #ecc0bd; color: #8f1e18; }
.alert-info    { background: var(--primary-50); border-color: #bcd4ee; color: var(--primary-900); }
.alert-warning { background: var(--accent-100); border-color: #f3d3a7; color: #7c3a06; }

/* ---------- Tables ---------- */
.table-wrap { overflow-x: auto; }
table.data { width: 100%; border-collapse: collapse; font-size: .95rem; }
table.data th { text-align: left; background: var(--surface-alt); color: var(--primary-900); border-bottom: 2px solid var(--line); padding: .6rem .75rem; }
table.data td { border-bottom: 1px solid var(--line); padding: .6rem .75rem; vertical-align: top; }
table.data tr:hover td { background: var(--primary-50); }

/* ---------- Progress ---------- */
.progress-track { background: var(--surface-alt); border: 1px solid var(--line); border-radius: 999px; height: 14px; overflow: hidden; }
.progress-fill { background: var(--primary-600); height: 100%; border-radius: 999px; min-width: 2px; transition: width .3s ease; }
.progress-fill.is-met { background: var(--success); }
.progress-row { display: grid; grid-template-columns: 1fr auto; gap: var(--space-2); align-items: baseline; margin-bottom: var(--space-1); }
.progress-value { color: var(--ink-soft); font-size: .9rem; font-variant-numeric: tabular-nums; }

/* ---------- Empty / error states ---------- */
.empty-state {
  text-align: center; padding: var(--space-6) var(--space-4);
  color: var(--ink-soft); background: var(--surface-alt);
  border: 1px dashed var(--line); border-radius: var(--radius);
}
.empty-state h3 { color: var(--ink); }
.empty-state .empty-state__icon { font-size: 2rem; display: block; margin-bottom: var(--space-2); }

/* ---------- Hero (public home / gate) ---------- */
.hero { background: linear-gradient(135deg, var(--primary-900), var(--primary-700)); color: #fff; }
.hero__inner { max-width: var(--content-max); margin: 0 auto; padding: var(--space-6) var(--space-3); }
.hero h1 { color: #fff; font-size: 2.4rem; max-width: 24ch; }
.hero p { color: #dbe6f5; font-size: 1.15rem; max-width: 55ch; }
.hero .btn-primary { background: var(--accent-500); color: var(--primary-900); }
.hero .btn-primary:hover { background: #e08414; }

/* Gate page */
.gate-page { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: var(--primary-900); }
.gate-card { background: var(--surface); border-radius: var(--radius); padding: var(--space-5); max-width: 24rem; width: 100%; margin: var(--space-3); text-align: center; }
.gate-card img { height: 72px; margin-bottom: var(--space-3); }

/* ---------- Utility ---------- */
.text-soft { color: var(--ink-soft); }
.text-danger { color: var(--danger); }
.text-success { color: var(--success); }
.mt-0 { margin-top: 0; } .mb-0 { margin-bottom: 0; }
.stack > * + * { margin-top: var(--space-3); }
.cluster { display: flex; flex-wrap: wrap; gap: var(--space-2); align-items: center; }
.split { display: flex; flex-wrap: wrap; gap: var(--space-3); justify-content: space-between; align-items: center; }
.visually-hidden { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* Kendo harmonization */
.k-grid { border-radius: var(--radius); border-color: var(--line); }
.k-grid .k-grid-header { background: var(--surface-alt); }

@media (max-width: 640px) {
  h1 { font-size: 1.6rem; }
  .hero h1 { font-size: 1.8rem; }
  .site-header__inner { padding: var(--space-2) var(--space-3); }
  .page-main { padding-top: var(--space-4); }
}