/* ============================================
   HSEQ Kennisbank — JVG Consultancy
   Corporate Professional Design System
   ============================================ */

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

:root {
  --primary: #003366;
  --primary-light: #004D99;
  --primary-dark: #001F3F;
  --accent: #0066CC;
  --bg: #F4F6F9;
  --bg-white: #FFFFFF;
  --card: #FFFFFF;
  --text: #1A1A2E;
  --text-secondary: #5A5A7A;
  --text-light: #8A8AA0;
  --border: #DDE1E8;
  --border-light: #EEF0F4;
  --success: #00796B;
  --warning: #D4760A;
  --danger: #C62828;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 24px rgba(0,0,0,0.10);
  --radius: 8px;
  --radius-sm: 4px;
  --radius-lg: 12px;
  --transition: 0.15s ease;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

html { font-size: 15px; -webkit-font-smoothing: antialiased; }

body {
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

img { max-width: 100%; }

/* ============ HEADER ============ */
.header {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
  color: #fff;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 14px 32px;
  display: flex;
  align-items: center;
  gap: 20px;
}

.logo-link {
  display: flex;
  align-items: center;
  gap: 12px;
  color: #fff;
  text-decoration: none;
  flex-shrink: 0;
}
.logo-link:hover { color: #fff; opacity: 0.9; }

.logo-img {
  height: 40px;
  width: 40px;
  border-radius: var(--radius-sm);
}

.logo-text {
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -0.3px;
  white-space: nowrap;
}

.header-sub {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.6);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ============ MAIN ============ */
.main {
  flex: 1;
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  padding: 32px;
}

/* ============ FOOTER ============ */
.footer {
  background: var(--primary-dark);
  color: rgba(255,255,255,0.5);
  padding: 16px 32px;
  margin-top: auto;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
}

.footer-brand { font-weight: 600; color: rgba(255,255,255,0.7); }
.footer-tagline { letter-spacing: 2px; text-transform: uppercase; font-size: 0.7rem; }

/* ============ HERO ============ */
.hero {
  text-align: center;
  padding: 48px 0 32px;
}
.hero.hero-small { padding: 32px 0 24px; }

.hero-title {
  font-size: 1.87rem;
  font-weight: 700;
  color: var(--primary-dark);
  margin-bottom: 8px;
  letter-spacing: -0.5px;
}

.hero-sub {
  font-size: 1rem;
  color: var(--text-secondary);
  margin-bottom: 28px;
}

/* ============ SEARCH BOX ============ */
.search-box {
  display: flex;
  gap: 0;
  max-width: 640px;
  margin: 0 auto;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.search-input-wrap {
  flex: 1;
  display: flex;
  align-items: center;
  padding: 0 16px;
}

.search-icon {
  width: 20px;
  height: 20px;
  color: var(--text-light);
  flex-shrink: 0;
}

.search-input {
  flex: 1;
  border: none;
  outline: none;
  padding: 14px 12px;
  font-size: 0.95rem;
  font-family: var(--font);
  color: var(--text);
  background: transparent;
}
.search-input::placeholder { color: var(--text-light); }

/* ============ BUTTONS ============ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  font-size: 0.9rem;
  font-weight: 600;
  font-family: var(--font);
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
}
.btn-primary:hover { background: var(--primary-light); color: #fff; }

.btn-secondary {
  background: var(--border-light);
  color: var(--text);
}
.btn-secondary:hover { background: var(--border); color: var(--text); }

.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 1px solid var(--border);
}
.btn-outline:hover {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

/* ============ STATS GRID ============ */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 32px;
}

.stat-card {
  background: var(--card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  padding: 24px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  border-left: 3px solid var(--primary);
  transition: box-shadow var(--transition);
}
.stat-card:hover { box-shadow: var(--shadow-md); }

.stat-value {
  display: block;
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 4px;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* ============ CATEGORIES BAR ============ */
.categories-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 28px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border-light);
}

.categories-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  flex-shrink: 0;
}

.categories-scroll {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 4px;
}

.pill {
  display: inline-block;
  padding: 6px 16px;
  font-size: 0.82rem;
  font-weight: 500;
  border-radius: 20px;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  background: var(--card);
  white-space: nowrap;
  transition: all var(--transition);
}
.pill:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.pill-active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}
.pill-active:hover {
  background: var(--primary-light);
  color: #fff;
}

/* ============ BADGE ============ */
.badge {
  display: inline-block;
  padding: 3px 10px;
  font-size: 0.72rem;
  font-weight: 600;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.3px;
  background: var(--border-light);
  color: var(--text-secondary);
}

.badge-procedures { background: #E3F2FD; color: #1565C0; }
.badge-regulations { background: #FFF3E0; color: #E65100; }
.badge-templates { background: #E8F5E9; color: #2E7D32; }
.badge-training { background: #F3E5F5; color: #7B1FA2; }
.badge-reports { background: #ECEFF1; color: #37474F; }
.badge-uncategorized { background: var(--border-light); color: var(--text-light); }

/* ============ DOCUMENT GRID ============ */
.doc-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
}

.doc-card {
  background: var(--card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  padding: 24px;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
  color: var(--text);
  text-decoration: none;
}
.doc-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--primary);
  transform: translateY(-2px);
  color: var(--text);
}

.doc-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.doc-meta-sm {
  font-size: 0.75rem;
  color: var(--text-light);
}

.doc-card-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--primary-dark);
  margin-bottom: 8px;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.doc-card-preview {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.5;
  flex: 1;
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.doc-card-footer {
  display: flex;
  justify-content: space-between;
  padding-top: 12px;
  border-top: 1px solid var(--border-light);
}

.doc-meta {
  font-size: 0.78rem;
  color: var(--text-light);
}

/* ============ PAGINATION ============ */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 16px;
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--border-light);
}

.page-btn {
  padding: 8px 20px;
  font-size: 0.85rem;
  font-weight: 500;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  transition: all var(--transition);
}
.page-btn:hover {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

.page-info {
  font-size: 0.85rem;
  color: var(--text-light);
}

/* ============ SEARCH RESULTS ============ */
.search-header { margin-bottom: 24px; }

.search-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text);
}

.highlight {
  color: var(--primary);
  font-weight: 600;
}

.results-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.result-item {
  display: block;
  background: var(--card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  padding: 20px 24px;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
  color: var(--text);
  text-decoration: none;
}
.result-item:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--primary);
  color: var(--text);
}

.result-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 8px;
}

.result-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--primary-dark);
  line-height: 1.4;
}

.result-snippet {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 10px;
}
.result-snippet mark {
  background: #FFF9C4;
  color: var(--text);
  padding: 1px 3px;
  border-radius: 2px;
}

.result-meta {
  display: flex;
  gap: 16px;
  font-size: 0.78rem;
  color: var(--text-light);
}

/* ============ BREADCRUMB ============ */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  margin-bottom: 28px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-light);
}

.breadcrumb a { color: var(--text-secondary); }
.breadcrumb a:hover { color: var(--primary); }

.bc-sep { color: var(--text-light); }

.bc-current {
  color: var(--text);
  font-weight: 500;
}

/* ============ DOCUMENT DETAIL ============ */
.doc-detail-title {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--primary-dark);
  margin-bottom: 24px;
  line-height: 1.3;
}

.meta-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 32px;
  padding: 20px;
  background: var(--card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
}

.meta-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.meta-label {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-light);
}

.meta-value {
  font-size: 0.92rem;
  color: var(--text);
  font-weight: 500;
}

/* ============ DOCUMENT SECTIONS ============ */
.doc-sections {
  margin-bottom: 32px;
}

.section-block {
  margin-bottom: 24px;
  padding: 24px;
  background: var(--card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  border-left: 3px solid var(--primary);
}

.section-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 12px;
}

.section-content {
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--text);
}

.doc-content {
  padding: 28px;
  background: var(--card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  font-size: 0.92rem;
  line-height: 1.7;
}

.doc-content mark, .section-content mark {
  background: #C8E6C9;
  color: var(--text);
  padding: 1px 4px;
  border-radius: 2px;
}

/* ============ DOCUMENT ACTIONS ============ */
.doc-actions {
  display: flex;
  gap: 12px;
  padding-top: 24px;
  border-top: 1px solid var(--border-light);
}

.action-form { display: inline-flex; }

/* ============ EMPTY STATE ============ */
.empty-state {
  text-align: center;
  padding: 64px 32px;
}

.empty-icon {
  width: 64px;
  height: 64px;
  color: var(--border);
  margin-bottom: 20px;
}

.empty-text {
  font-size: 1rem;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.empty-tips {
  margin: 20px 0;
  text-align: left;
  max-width: 360px;
  margin-left: auto;
  margin-right: auto;
}

.empty-tips p {
  font-size: 0.85rem;
  color: var(--text-light);
  margin-bottom: 6px;
}

/* ============ RESPONSIVE ============ */
@media (max-width: 768px) {
  .header-inner { padding: 12px 20px; gap: 12px; }
  .header-sub { display: none; }
  .main { padding: 20px; }

  .hero { padding: 32px 0 24px; }
  .hero-title { font-size: 1.5rem; }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .doc-grid {
    grid-template-columns: 1fr;
  }

  .search-box { flex-direction: column; border-radius: var(--radius); }
  .search-input-wrap { padding: 0 16px; }
  .btn { width: 100%; justify-content: center; border-radius: 0 0 var(--radius) var(--radius); }

  .meta-grid { grid-template-columns: 1fr 1fr; }

  .doc-actions { flex-direction: column; }

  .footer-inner { flex-direction: column; gap: 4px; text-align: center; }
}