/* ============================================
   AtomDekNurse Intelligence Dashboard Styles
   Clinical Blue, Teal, Healthcare Theme
   ============================================ */

:root {
  --primary-blue: #0D47A1;
  --primary-teal: #00897B;
  --light-blue: #E3F2FD;
  --light-teal: #E0F2F1;
  --accent-cyan: #00BCD4;
  --bg-gray: #F5F7FA;
  --card-bg: #FFFFFF;
  --text-dark: #263238;
  --text-medium: #546E7A;
  --text-light: #90A4AE;
  --border-color: #E0E0E0;
  --success: #43A047;
  --warning: #FB8C00;
  --danger: #E53935;
  --info: #1E88E5;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
  --shadow-lg: 0 8px 24px rgba(0,0,0,0.12);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
}

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

body {
  font-family: 'Sarabun', 'Noto Sans Thai', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-gray);
  color: var(--text-dark);
  line-height: 1.6;
  min-height: 100vh;
}

/* ---- Header ---- */
.dashboard-header {
  background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-teal) 100%);
  color: white;
  padding: 1rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-md);
}

.header-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.header-brand .logo-icon {
  width: 42px;
  height: 42px;
  background: rgba(255,255,255,0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
}

.header-brand h1 {
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.header-brand .subtitle {
  font-size: 0.75rem;
  opacity: 0.85;
  font-weight: 400;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.header-actions .status-badge {
  background: rgba(255,255,255,0.15);
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 0.8rem;
  display: flex;
  align-items: center;
  gap: 6px;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #69F0AE;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.btn-refresh {
  background: rgba(255,255,255,0.2);
  border: 1px solid rgba(255,255,255,0.3);
  color: white;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: all 0.2s;
}

.btn-refresh:hover {
  background: rgba(255,255,255,0.3);
}

/* ---- Navigation Tabs ---- */
.nav-tabs {
  background: white;
  padding: 0 2rem;
  display: flex;
  gap: 0;
  border-bottom: 2px solid var(--border-color);
  overflow-x: auto;
  scrollbar-width: none;
}

.nav-tabs::-webkit-scrollbar {
  display: none;
}

.nav-tab {
  padding: 14px 20px;
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-medium);
  border-bottom: 3px solid transparent;
  white-space: nowrap;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-tab:hover {
  color: var(--primary-teal);
  background: var(--light-teal);
}

.nav-tab.active {
  color: var(--primary-teal);
  border-bottom-color: var(--primary-teal);
}

.nav-tab .tab-icon {
  font-size: 1.1rem;
}

/* ---- Main Content ---- */
.dashboard-main {
  padding: 1.5rem 2rem;
  max-width: 1400px;
  margin: 0 auto;
}

/* ---- Stats Row ---- */
.stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.stat-card {
  background: var(--card-bg);
  border-radius: var(--radius-md);
  padding: 1.2rem 1.5rem;
  box-shadow: var(--shadow-sm);
  border-left: 4px solid var(--primary-teal);
  transition: transform 0.2s, box-shadow 0.2s;
}

.stat-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.stat-card.blue { border-left-color: var(--primary-blue); }
.stat-card.teal { border-left-color: var(--primary-teal); }
.stat-card.cyan { border-left-color: var(--accent-cyan); }
.stat-card.success { border-left-color: var(--success); }

.stat-card .stat-label {
  font-size: 0.8rem;
  color: var(--text-medium);
  margin-bottom: 4px;
}

.stat-card .stat-value {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--text-dark);
}

.stat-card .stat-change {
  font-size: 0.75rem;
  margin-top: 4px;
  display: flex;
  align-items: center;
  gap: 4px;
}

.stat-change.up { color: var(--success); }
.stat-change.down { color: var(--danger); }

/* ---- Panels Grid ---- */
.panels-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.panel {
  background: var(--card-bg);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.panel-full {
  grid-column: 1 / -1;
}

.panel-header {
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.panel-header h3 {
  font-size: 1rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-dark);
}

.panel-header .panel-icon {
  font-size: 1.2rem;
}

.panel-actions {
  display: flex;
  gap: 8px;
}

.panel-action-btn {
  background: var(--light-teal);
  border: none;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 0.8rem;
  color: var(--primary-teal);
  font-weight: 600;
  transition: all 0.2s;
}

.panel-action-btn:hover {
  background: var(--primary-teal);
  color: white;
}

.panel-body {
  padding: 1.5rem;
}

/* ---- Chart Containers ---- */
.chart-container {
  position: relative;
  width: 100%;
  min-height: 300px;
}

.chart-container canvas {
  width: 100% !important;
}

/* ---- Risk Gauge ---- */
.gauge-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 1rem;
}

.gauge-svg {
  width: 220px;
  height: 130px;
}

.gauge-label {
  text-align: center;
  margin-top: 12px;
}

.gauge-value {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--text-dark);
}

.gauge-text {
  font-size: 0.85rem;
  color: var(--text-medium);
}

.gauge-legend {
  display: flex;
  gap: 16px;
  margin-top: 16px;
  flex-wrap: wrap;
  justify-content: center;
}

.gauge-legend-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  color: var(--text-medium);
}

.gauge-legend-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

/* ---- State Comparison Table ---- */
.comparison-table {
  width: 100%;
  border-collapse: collapse;
}

.comparison-table thead th {
  background: var(--light-blue);
  padding: 12px 16px;
  text-align: left;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--primary-blue);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 2px solid var(--primary-blue);
}

.comparison-table tbody td {
  padding: 12px 16px;
  font-size: 0.85rem;
  border-bottom: 1px solid var(--border-color);
  vertical-align: middle;
}

.comparison-table tbody tr:hover {
  background: var(--light-teal);
}

.comparison-table .state-name {
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
}

.comparison-table .badge {
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 0.7rem;
  font-weight: 700;
}

.badge-high {
  background: #FFEBEE;
  color: var(--danger);
}

.badge-medium {
  background: #FFF3E0;
  color: var(--warning);
}

.badge-low {
  background: #E8F5E9;
  color: var(--success);
}

/* Progress bar */
.progress-bar {
  width: 100%;
  height: 8px;
  background: #ECEFF1;
  border-radius: 4px;
  overflow: hidden;
}

.progress-bar .fill {
  height: 100%;
  border-radius: 4px;
  transition: width 1s ease;
}

/* ---- Timeline ---- */
.timeline {
  position: relative;
  padding-left: 30px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 12px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--border-color);
}

.timeline-item {
  position: relative;
  margin-bottom: 24px;
  padding-left: 20px;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -24px;
  top: 6px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: 3px solid var(--primary-teal);
  background: white;
}

.timeline-item.active::before {
  background: var(--primary-teal);
  box-shadow: 0 0 0 4px rgba(0,137,123,0.2);
}

.timeline-date {
  font-size: 0.75rem;
  color: var(--text-light);
  font-weight: 600;
  margin-bottom: 4px;
}

.timeline-title {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 4px;
}

.timeline-desc {
  font-size: 0.8rem;
  color: var(--text-medium);
}

.timeline-meta {
  display: flex;
  gap: 12px;
  margin-top: 6px;
  font-size: 0.75rem;
}

.timeline-meta span {
  display: flex;
  align-items: center;
  gap: 4px;
  color: var(--text-light);
}

/* ---- Salary Calculator Form ---- */
.calc-form {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-medium);
}

.form-group input,
.form-group select {
  padding: 10px 14px;
  border: 2px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-family: inherit;
  transition: border-color 0.2s;
  background: white;
}

.form-group input:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary-teal);
}

.btn-calculate {
  grid-column: 1 / -1;
  background: linear-gradient(135deg, var(--primary-blue), var(--primary-teal));
  color: white;
  border: none;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: opacity 0.2s;
  font-family: inherit;
}

.btn-calculate:hover {
  opacity: 0.9;
}

.calc-result {
  grid-column: 1 / -1;
  background: var(--light-teal);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  display: none;
}

.calc-result.show {
  display: block;
}

.calc-result .result-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1rem;
}

.result-item {
  text-align: center;
}

.result-item .result-label {
  font-size: 0.75rem;
  color: var(--text-medium);
}

.result-item .result-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-teal);
}

/* ---- Course Finder ---- */
.search-box {
  display: flex;
  gap: 12px;
  margin-bottom: 1.5rem;
}

.search-input {
  flex: 1;
  padding: 12px 18px;
  border: 2px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-family: inherit;
  transition: border-color 0.2s;
}

.search-input:focus {
  outline: none;
  border-color: var(--primary-teal);
}

.btn-search {
  background: var(--primary-teal);
  color: white;
  border: none;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s;
  font-family: inherit;
}

.btn-search:hover {
  background: var(--primary-blue);
}

.course-filters {
  display: flex;
  gap: 8px;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.filter-chip {
  padding: 6px 14px;
  border: 2px solid var(--border-color);
  border-radius: 20px;
  cursor: pointer;
  font-size: 0.8rem;
  font-weight: 600;
  background: white;
  color: var(--text-medium);
  transition: all 0.2s;
  font-family: inherit;
}

.filter-chip:hover,
.filter-chip.active {
  border-color: var(--primary-teal);
  background: var(--light-teal);
  color: var(--primary-teal);
}

.course-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
}

.course-card {
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.2rem;
  transition: all 0.2s;
  cursor: pointer;
}

.course-card:hover {
  border-color: var(--primary-teal);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.course-card .course-category {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--primary-teal);
  margin-bottom: 6px;
}

.course-card .course-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 8px;
}

.course-card .course-desc {
  font-size: 0.8rem;
  color: var(--text-medium);
  margin-bottom: 12px;
}

.course-card .course-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.75rem;
  color: var(--text-light);
}

.course-card .course-price {
  font-weight: 700;
  color: var(--primary-teal);
  font-size: 0.9rem;
}

/* ---- Tab Content ---- */
.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

/* ---- Loading Spinner ---- */
.spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid rgba(0,137,123,0.2);
  border-top-color: var(--primary-teal);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.loading-overlay {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 3rem;
  gap: 12px;
  color: var(--text-medium);
  font-size: 0.9rem;
}

/* ---- Section Title ---- */
.section-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ---- Empty State ---- */
.empty-state {
  text-align: center;
  padding: 3rem;
  color: var(--text-light);
}

.empty-state .empty-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

/* ---- Responsive ---- */
@media (max-width: 1024px) {
  .panels-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .dashboard-header {
    padding: 1rem;
    flex-wrap: wrap;
    gap: 8px;
  }

  .header-brand h1 {
    font-size: 1.1rem;
  }

  .nav-tabs {
    padding: 0 1rem;
  }

  .nav-tab {
    padding: 12px 14px;
    font-size: 0.8rem;
  }

  .dashboard-main {
    padding: 1rem;
  }

  .stats-row {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
  }

  .stat-card .stat-value {
    font-size: 1.4rem;
  }

  .comparison-table {
    font-size: 0.8rem;
  }

  .comparison-table thead th,
  .comparison-table tbody td {
    padding: 8px 10px;
  }

  .search-box {
    flex-direction: column;
  }

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

  .calc-form {
    grid-template-columns: 1fr;
  }

  .gauge-svg {
    width: 180px;
    height: 100px;
  }
}

@media (max-width: 480px) {
  .stats-row {
    grid-template-columns: 1fr;
  }

  .header-actions {
    width: 100%;
    justify-content: space-between;
  }

  .nav-tab .tab-text {
    display: none;
  }

  .nav-tab .tab-icon {
    font-size: 1.3rem;
  }
}

/* ---- Scrollbar ---- */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-light);
}

/* ---- Toast Notification ---- */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--text-dark);
  color: white;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  box-shadow: var(--shadow-lg);
  transform: translateY(100px);
  opacity: 0;
  transition: all 0.3s ease;
  z-index: 1000;
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

.toast.success { background: var(--success); }
.toast.error { background: var(--danger); }
.toast.info { background: var(--info); }