/* === Reset & Base === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --primary: #2C3E50;
  --primary-light: #4fc3f7;
  --success: #27AE60;
  --danger: #E74C3C;
  --warning: #F39C12;
  --info: #3498DB;
  --bg-dark: #1c2024;
  --bg-card: #252a2f;
  --bg-card-hover: #2e343a;
  --bg-input: #1a1f23;
  --border-color: #3a4048;
  --border-light: #4a5058;
  --text-bright: #ffffff;
  --text-secondary: #ffffff;
  --text-muted: #cccccc;
  --gray-50: #2e343a;
  --gray-100: #3a4048;
  --gray-200: #4a5058;
  --gray-400: #cccccc;
  --gray-600: #ffffff;
  --gray-800: #ffffff;
  --radius: 8px;
  --shadow: 0 2px 8px rgba(0,0,0,0.4);
  --shadow-lg: 0 4px 16px rgba(0,0,0,0.5);
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 14px;
  background: var(--bg-dark);
  color: var(--text-bright);
  line-height: 1.6;
}

a { color: var(--primary-light); text-decoration: none; }
a:hover { text-decoration: underline; color: #81d4fa; }

/* === Navbar === */
.navbar {
  background: #15191c;
  color: white;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  height: 60px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.5);
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid #3a4048;
}

.nav-brand a {
  color: white;
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -0.5px;
}
.nav-brand a:hover { text-decoration: none; }

.nav-links {
  display: flex;
  gap: 0.5rem;
  margin-left: 2rem;
  flex: 1;
}

.nav-links a {
  color: rgba(255,255,255,0.85);
  padding: 0.4rem 0.8rem;
  border-radius: var(--radius);
  font-size: 0.9rem;
  transition: background 0.2s;
}
.nav-links a:hover {
  background: rgba(255,255,255,0.15);
  color: white;
  text-decoration: none;
}

.nav-user {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: rgba(255,255,255,0.9);
  font-size: 0.9rem;
}

/* === Container === */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 2rem;
}

/* === Cards === */
.card {
  background: var(--bg-card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1rem;
  margin-bottom: 0.6rem;
  border: 1px solid var(--border-color);
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.4rem;
}

.card-header h3 { font-size: 1rem; }
.card-header h3 a { color: var(--text-bright); }

.card-footer {
  display: flex;
  justify-content: space-between;
  margin-top: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border-color);
}

.card-actions {
  display: flex;
  gap: 0.4rem;
  margin-top: 0.5rem;
}

/* === Grid Layouts === */
.vessel-grid, .zone-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 0.6rem;
}

/* === Page Header === */
.page-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1rem;
}

.page-header h1 { font-size: 1.5rem; color: #ffffff; }

.header-actions { display: flex; gap: 0.5rem; }

/* === Buttons === */
.btn {
  display: inline-block;
  padding: 0.5rem 1rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  background: var(--bg-input);
  color: var(--text-bright);
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  transition: all 0.2s;
  text-align: center;
}
.btn:hover { background: var(--bg-card-hover); text-decoration: none; box-shadow: var(--shadow); }

.btn-primary { background: var(--primary-light); color: white; border-color: var(--primary-light); font-weight: 600; }
.btn-primary:hover { background: #29b6f6; }

.btn-danger { background: var(--danger); color: white; border-color: var(--danger); }
.btn-danger:hover { background: #C0392B; }

.btn-outline { background: transparent; border-color: var(--border-light); color: var(--text-bright); }

.btn-sm { padding: 0.3rem 0.6rem; font-size: 0.8rem; }
.btn-lg { padding: 0.75rem 2rem; font-size: 1rem; }
.btn-full { display: block; width: 100%; }

/* === Badges === */
.badge {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 600;
  background: var(--bg-input);
  color: var(--text-secondary);
  text-transform: uppercase;
}

.badge-success { background: rgba(39,174,96,0.2); color: #69f0ae; }
.badge-warning { background: rgba(243,156,18,0.2); color: #ffd54f; }
.badge-info { background: rgba(52,152,219,0.2); color: #4fc3f7; }

.user-badge {
  display: inline-block;
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.user-badge.admin { background: var(--danger); color: white; }
.user-badge.inspector { background: var(--primary-light); color: white; }
.user-badge.viewer { background: var(--gray-400); color: white; }

/* === Progress Bar === */
.progress-bar-container {
  width: 100%;
  height: 5px;
  background: var(--gray-100);
  border-radius: 3px;
  overflow: hidden;
  margin: 0.3rem 0;
}

.progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--primary-light), var(--success));
  border-radius: 4px;
  transition: width 0.5s ease;
}

/* === Checkpoint Summary === */
.checkpoint-summary {
  margin: 0.4rem 0;
}

.summary-row {
  display: flex;
  justify-content: space-between;
  padding: 0.15rem 0;
  font-size: 0.8rem;
}

.summary-row .label { color: var(--gray-600); }
.summary-row .count { font-weight: 600; }

/* === Forms === */
.form-group {
  margin-bottom: 1rem;
}

.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.3rem;
  font-size: 14px;
  color: var(--text-bright);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  font-size: 14px;
  background: var(--bg-input);
  color: var(--text-bright);
  transition: border-color 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-light);
  box-shadow: 0 0 0 3px rgba(41, 128, 185, 0.2);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.form-actions {
  display: flex;
  gap: 1rem;
  margin-top: 2rem;
  padding: 1.5rem 0;
  border-top: 2px solid var(--border-color);
}

.inline-form {
  display: flex;
  gap: 1rem;
  align-items: flex-end;
  flex-wrap: wrap;
}

/* === Tables === */
.data-table, .checkpoint-table {
  width: 100%;
  border-collapse: collapse;
}

.data-table th, .checkpoint-table th {
  background: #1a1f23;
  padding: 0.75rem 1rem;
  text-align: left;
  font-size: 14px;
  font-weight: 600;
  color: #ffffff;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 2px solid var(--border-color);
}

.data-table td, .checkpoint-table td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border-color);
  font-size: 14px;
  color: var(--text-bright);
}

.data-table tr:hover, .checkpoint-table tr:hover {
  background: var(--bg-card-hover);
}

.cp-name { font-weight: 600; white-space: nowrap; }

/* === Status === */
.status-select, .notes-input {
  padding: 0.35rem 0.5rem;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  font-size: 14px;
  background: var(--bg-input);
  color: var(--text-bright);
}

.notes-input { width: 100%; min-width: 150px; }

.status-select.status-pass { background: rgba(39,174,96,0.2); border-color: var(--success); color: #69f0ae; }
.status-select.status-fail { background: rgba(231,76,60,0.2); border-color: var(--danger); color: #ff8a80; }
.status-select.status-in_progress { background: rgba(243,156,18,0.2); border-color: var(--warning); color: #ffd54f; }

.status-badge {
  display: inline-block;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 700;
}

.status-pass { background: rgba(39,174,96,0.2); color: #69f0ae; }
.status-fail { background: rgba(231,76,60,0.2); color: #ff8a80; }
.status-pending { background: rgba(255,255,255,0.08); color: var(--text-muted); }
.status-in_progress { background: rgba(243,156,18,0.2); color: #ffd54f; }
.status-na { background: rgba(255,255,255,0.05); color: #666; }

/* === Section Headers === */
.section-card { padding: 0; overflow: hidden; }

.section-header {
  padding: 1rem 1.5rem;
  color: white;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.section-header h2 { font-size: 1.1rem; margin: 0; }
.section-header .text-sm { opacity: 0.85; font-size: 0.8rem; }

.section-header.internal { background: linear-gradient(135deg, #2C3E50, #3498DB); }
.section-header.external { background: linear-gradient(135deg, #1B4332, #27AE60); }
.section-header.repairs { background: linear-gradient(135deg, #922B21, #E74C3C); }

/* === Alerts === */
.alert {
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  margin-bottom: 1rem;
  font-size: 14px;
  font-weight: 500;
}

.alert-success { background: rgba(39,174,96,0.15); color: #69f0ae; border: 1px solid rgba(39,174,96,0.3); }
.alert-error { background: rgba(231,76,60,0.15); color: #ff8a80; border: 1px solid rgba(231,76,60,0.3); }

/* === Info Box === */
.info-box {
  background: rgba(52,152,219,0.1);
  border: 1px solid rgba(52,152,219,0.3);
  border-radius: var(--radius);
  padding: 1rem;
  margin: 1rem 0;
  font-size: 14px;
  color: var(--text-bright);
}

.info-box ul { margin-top: 0.5rem; padding-left: 1.5rem; }
.info-box li { margin-bottom: 0.3rem; }

/* === Empty State === */
.empty-state {
  text-align: center;
  padding: 4rem 2rem;
  color: var(--gray-600);
}

.empty-state h2 { font-size: 1.5rem; margin-bottom: 0.5rem; color: var(--gray-800); }

/* === Login === */
.login-container {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 80vh;
}

.login-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  padding: 2.5rem;
  width: 100%;
  max-width: 400px;
  border: 1px solid var(--border-color);
}

.login-card h1 {
  font-size: 1.5rem;
  color: #ffffff;
  margin-bottom: 0.25rem;
}

.login-card .subtitle {
  color: var(--gray-600);
  margin-bottom: 1.5rem;
}

/* === Add Section Form === */
.add-section-card {
  border: 2px dashed var(--border-color);
  background: var(--bg-card);
  margin-bottom: 0.6rem;
}

.add-section-card h3 { margin-bottom: 0.4rem; color: #ffffff; font-size: 0.95rem; }

.add-section-row {
  display: flex;
  gap: 0.75rem;
  align-items: center;
}

.add-section-row input {
  flex: 1;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  font-size: 14px;
  background: var(--bg-input);
  color: var(--text-bright);
}

.add-section-row input:focus {
  outline: none;
  border-color: var(--primary-light);
  box-shadow: 0 0 0 3px rgba(41, 128, 185, 0.2);
}

/* === Analytics / Charts === */
.chart-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.chart-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.5rem;
  border: 1px solid var(--border-color);
}

.chart-card h3 {
  margin-bottom: 1rem;
  font-size: 1rem;
  color: #ffffff;
}

.chart-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.chart-card-header h3 {
  margin-bottom: 0;
}

.toggle-view-btn {
  font-size: 0.75rem;
  padding: 0.25rem 0.75rem;
}

.chart-card canvas {
  width: 100% !important;
  max-height: 350px;
}

.chart-card.full-width {
  grid-column: 1 / -1;
}

.stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}

.stat-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.25rem;
  text-align: center;
  border: 1px solid var(--border-color);
}

.stat-card .stat-value {
  font-size: 2rem;
  font-weight: 700;
  line-height: 1;
}

.stat-card .stat-label {
  font-size: 0.8rem;
  color: var(--gray-600);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-top: 0.3rem;
}

.stat-card.stat-pass .stat-value { color: var(--success); }
.stat-card.stat-fail .stat-value { color: var(--danger); }
.stat-card.stat-pending .stat-value { color: var(--gray-600); }
.stat-card.stat-progress .stat-value { color: var(--warning); }
.stat-card.stat-total .stat-value { color: var(--primary); }

/* === Vessel Overview Stats === */
.vessel-overview-stats {
  display: flex;
  gap: 0.4rem;
  margin: 0.5rem 0;
  flex-wrap: wrap;
}

.vessel-overview-stats .cnt {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.15rem 0.4rem;
  border-radius: 3px;
}

/* === Filter Bar === */
.filter-bar {
  margin-bottom: 1.5rem;
  border: 2px solid var(--primary-light);
  border-left: 5px solid var(--primary-light);
}

.filter-row {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  align-items: flex-end;
}

.filter-group {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  min-width: 140px;
  flex: 1;
}

.filter-group label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--gray-600);
}

.filter-group select {
  padding: 0.4rem 0.6rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  font-size: 14px;
  background: var(--bg-input);
  color: var(--text-bright);
}

.filter-group select:focus {
  outline: none;
  border-color: var(--primary-light);
  box-shadow: 0 0 0 3px rgba(41, 128, 185, 0.2);
}

.filter-results {
  display: none;
  margin-top: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--gray-100);
  font-size: 0.85rem;
  color: var(--primary-light);
}

/* === Vessel Report Links === */
.vessel-report-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.vessel-report-links .btn {
  border: 2px solid var(--primary-light);
  color: var(--primary-light);
  font-weight: 600;
}

.vessel-report-links .btn:hover {
  background: var(--primary-light);
  color: white;
}

/* === PDF Viewer === */
.pdf-viewer-layout {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 1.5rem;
  align-items: start;
}

.zone-status-panel {
  background: var(--bg-card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.25rem;
  position: sticky;
  top: 80px;
  border: 1px solid var(--border-color);
}

.zone-status-panel h3 { margin-bottom: 1rem; color: #ffffff; font-size: 1rem; }

.vessel-outline {
  border: 3px solid var(--primary);
  border-radius: 12px 12px 4px 4px;
  overflow: hidden;
}

.vessel-zone-band {
  padding: 0.6rem 0.75rem;
  cursor: pointer;
  transition: all 0.2s;
  border-bottom: 1px solid rgba(0,0,0,0.1);
}

.vessel-zone-band:last-child { border-bottom: none; }
.vessel-zone-band:hover { filter: brightness(0.95); }
.vessel-zone-band.highlighted { outline: 3px solid var(--primary-light); outline-offset: -3px; filter: brightness(0.9); }

.status-bg-pass { background: rgba(39,174,96,0.2); }
.status-bg-fail { background: rgba(231,76,60,0.2); }
.status-bg-in_progress { background: rgba(243,156,18,0.2); }
.status-bg-pending { background: rgba(189,195,199,0.2); }
.status-bg-na { background: rgba(149,165,166,0.2); }

.zone-band-info {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  margin-bottom: 0.3rem;
}

.zone-band-info strong { font-size: 0.85rem; }

.zone-band-status {
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.zone-band-progress {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.mini-progress-bar {
  flex: 1;
  height: 5px;
  background: rgba(0,0,0,0.1);
  border-radius: 3px;
  overflow: hidden;
}

.mini-progress-fill {
  height: 100%;
  background: var(--primary-light);
  border-radius: 3px;
  transition: width 0.3s;
}

.zone-band-pct { font-size: 0.7rem; font-weight: 700; min-width: 30px; text-align: right; }

.zone-band-counts {
  display: flex;
  gap: 0.4rem;
  margin-top: 0.2rem;
}

.zone-band-counts .cnt {
  font-size: 0.65rem;
  font-weight: 600;
  padding: 0.1rem 0.3rem;
  border-radius: 3px;
}

.cnt-pass { background: rgba(39,174,96,0.2); color: #1B7A3D; }
.cnt-fail { background: rgba(231,76,60,0.2); color: #922B21; }
.cnt-ip { background: rgba(243,156,18,0.2); color: #856404; }
.cnt-pend { background: rgba(189,195,199,0.3); color: #6C757D; }

.status-legend {
  margin-top: 1rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--gray-100);
}

.status-legend h4 { font-size: 0.85rem; margin-bottom: 0.5rem; color: var(--gray-600); }

.legend-items { display: flex; flex-wrap: wrap; gap: 0.5rem; }

.legend-item {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.75rem;
  color: var(--gray-600);
}

.legend-color {
  width: 12px;
  height: 12px;
  border-radius: 2px;
  display: inline-block;
}

/* PDF display */
.pdf-display-panel {
  background: var(--bg-card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1rem;
  min-height: 500px;
  border: 1px solid var(--border-color);
}

.pdf-container {
  position: relative;
  overflow: auto;
  max-height: 80vh;
}

.pdf-container canvas { display: block; margin: 0 auto; }

.zone-overlays {
  position: absolute;
  top: 0;
  left: 0;
  pointer-events: none;
}

.zone-overlay-band {
  position: absolute;
  left: 0;
  pointer-events: all;
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  align-items: flex-start;
  padding: 4px 8px;
}

.zone-overlay-band:hover { backdrop-filter: brightness(0.95); outline: 2px solid rgba(52,152,219,0.5); }
.zone-overlay-band.highlighted { outline: 3px solid var(--primary-light); backdrop-filter: brightness(0.9); }

.overlay-label {
  background: rgba(255,255,255,0.85);
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.7rem;
  box-shadow: 0 1px 3px rgba(0,0,0,0.15);
  white-space: nowrap;
}

.overlay-status { font-size: 0.6rem; color: var(--gray-600); margin-left: 0.3rem; }

/* === Accordion (Zone Sub-Sections) === */
.zone-accordion {
  margin-bottom: 0.5rem;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border-color);
  background: var(--bg-card);
}

.zone-accordion.standalone {
  border: none;
  background: transparent;
}

.zone-accordion.standalone .zone-card-mini {
  margin-bottom: 0;
}

.accordion-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.6rem 1rem;
  cursor: pointer;
  transition: background 0.2s;
  user-select: none;
}

.accordion-header:hover {
  background: var(--bg-card-hover);
}

.accordion-title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.accordion-title h3 {
  margin: 0;
  font-size: 1.1rem;
  color: var(--primary-light);
}

.accordion-toggle {
  font-size: 0.8rem;
  transition: transform 0.2s;
  color: var(--text-muted);
}

.zone-accordion.open .accordion-toggle {
  transform: rotate(90deg);
}

.accordion-stats {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.accordion-body {
  display: none;
  padding: 0 1rem 0.75rem;
}

.zone-accordion.open .accordion-body {
  display: block;
}

.sub-section-card {
  border: 1px solid var(--border-light);
  background: var(--bg-card-hover);
}

.zone-card-mini {
  padding: 0.75rem;
  margin-bottom: 0.4rem;
}
.zone-card-mini .card-header { margin-bottom: 0.2rem; }
.zone-card-mini .card-header h3 { font-size: 0.95rem; }
.zone-card-mini .card-footer { margin-top: 0.3rem; padding-top: 0.3rem; }
.zone-card-mini .card-actions { margin-top: 0.4rem; }

/* === Setup Page === */
.setup-zone-item {
  margin-bottom: 0.75rem;
}

.setup-zone-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.setup-zone-info {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex: 1;
  min-width: 0;
}

.setup-zone-info h3 {
  margin: 0;
  font-size: 1rem;
}

.setup-zone-icon {
  font-size: 1.2rem;
}

.setup-zone-actions {
  display: flex;
  gap: 0.4rem;
  align-items: center;
  flex-shrink: 0;
}

.setup-sub-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border-color);
}

.setup-sub-item:last-child {
  border-bottom: none;
}

.setup-sub-indent {
  color: var(--text-muted);
  margin-right: 0.25rem;
}

/* === Dropdown Menu === */
.dropdown-toggle::after { content: ''; }
.dropdown-menu {
  display: none;
  position: absolute;
  right: 0;
  top: 100%;
  min-width: 200px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  z-index: 50;
  padding: 0.25rem 0;
  margin-top: 0.25rem;
}
.dropdown-menu.show { display: block; }
.dropdown-item {
  display: block;
  padding: 0.5rem 1rem;
  color: var(--text-bright);
  font-size: 14px;
  transition: background 0.15s;
}
.dropdown-item:hover {
  background: var(--bg-card-hover);
  text-decoration: none;
  color: var(--primary-light);
}
.dropdown-item.active {
  background: var(--primary-light);
  color: #000;
  font-weight: 600;
}

/* === Utilities === */
.text-muted { color: var(--gray-600); }
.text-sm { font-size: 0.85rem; }
.text-center { text-align: center; }

/* === Responsive === */
@media (max-width: 768px) {
  .navbar { flex-wrap: wrap; height: auto; padding: 0.75rem 1rem; }
  .nav-links { margin-left: 0; order: 3; width: 100%; margin-top: 0.5rem; flex-wrap: wrap; }
  .container { padding: 1rem; }
  .page-header { flex-direction: column; gap: 1rem; }
  .vessel-grid, .zone-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .inline-form { flex-direction: column; align-items: stretch; }
  .checkpoint-table { font-size: 0.8rem; }
  .checkpoint-table th, .checkpoint-table td { padding: 0.5rem; }
}