/*
 * Leave Management System - Professional Medical Theme
 * Muted, NHS-inspired color palette for medical system appropriateness
 */

/* ========== CSS Variables ========== */
:root {
  /* Primary Colors - NHS Blue inspired */
  --primary: #2c5282;
  --primary-dark: #1a365d;
  --primary-light: #4299e1;
  --primary-bg: #ebf8ff;
  
  /* Success - Muted Green */
  --success: #276749;
  --success-light: #c6f6d5;
  --success-bg: #f0fff4;
  
  /* Warning - Muted Orange */
  --warning: #c05621;
  --warning-light: #fbd38d;
  --warning-bg: #fffaf0;
  
  /* Danger - Muted Red */
  --danger: #c53030;
  --danger-light: #fed7d7;
  --danger-bg: #fff5f5;
  
  /* Info - Muted Blue */
  --info: #2b6cb0;
  --info-light: #bee3f8;
  --info-bg: #ebf8ff;
  
  /* Neutral Colors */
  --gray-50: #f7fafc;
  --gray-100: #edf2f7;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5e0;
  --gray-400: #a0aec0;
  --gray-500: #718096;
  --gray-600: #4a5568;
  --gray-700: #2d3748;
  --gray-800: #1a202c;
  --gray-900: #171923;
  
  /* Background */
  --bg-primary: #f7fafc;
  --bg-card: #ffffff;
  --bg-sidebar: #2d3748;
  
  /* Text */
  --text-primary: #2d3748;
  --text-secondary: #718096;
  --text-muted: #a0aec0;
  
  /* Borders */
  --border-color: #e2e8f0;
  --border-radius: 6px;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

/* ========== Global Styles ========== */
body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.5;
}

/* ========== Card Styles ========== */
.card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.2s ease;
}

.card:hover {
  box-shadow: var(--shadow);
}

.card-header {
  background-color: var(--gray-50);
  border-bottom: 1px solid var(--border-color);
  color: var(--text-primary);
  font-weight: 600;
  padding: 1rem 1.25rem;
}

/* ========== Button Styles ========== */
.btn {
  border-radius: var(--border-radius);
  font-weight: 500;
  padding: 0.5rem 1rem;
  transition: all 0.2s ease;
}

.btn-primary {
  background-color: var(--primary);
  border-color: var(--primary);
}

.btn-primary:hover {
  background-color: var(--primary-dark);
  border-color: var(--primary-dark);
}

.btn-success {
  background-color: var(--success);
  border-color: var(--success);
}

.btn-warning {
  background-color: var(--warning);
  border-color: var(--warning);
  color: white;
}

.btn-danger {
  background-color: var(--danger);
  border-color: var(--danger);
}

.btn-outline-primary {
  color: var(--primary);
  border-color: var(--primary);
}

.btn-outline-primary:hover {
  background-color: var(--primary);
  border-color: var(--primary);
}

/* ========== Alert Styles ========== */
.alert {
  border: none;
  border-radius: var(--border-radius);
  border-left: 4px solid;
}

.alert-success {
  background-color: var(--success-bg);
  border-left-color: var(--success);
  color: var(--success);
}

.alert-warning {
  background-color: var(--warning-bg);
  border-left-color: var(--warning);
  color: var(--warning);
}

.alert-danger {
  background-color: var(--danger-bg);
  border-left-color: var(--danger);
  color: var(--danger);
}

.alert-info {
  background-color: var(--info-bg);
  border-left-color: var(--info);
  color: var(--info);
}

/* ========== Badge Styles ========== */
.badge {
  border-radius: 4px;
  font-weight: 500;
  padding: 0.35em 0.65em;
}

.bg-primary {
  background-color: var(--primary) !important;
}

.bg-success {
  background-color: var(--success) !important;
}

.bg-warning {
  background-color: var(--warning-light) !important;
  color: var(--warning) !important;
}

.bg-danger {
  background-color: var(--danger) !important;
}

.bg-info {
  background-color: var(--info) !important;
}

.bg-secondary {
  background-color: var(--gray-400) !important;
}

/* ========== Table Styles ========== */
.table {
  color: var(--text-primary);
}

.table thead th {
  background-color: var(--gray-50);
  border-bottom: 2px solid var(--border-color);
  color: var(--text-secondary);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.table-hover tbody tr:hover {
  background-color: var(--gray-50);
}

/* ========== Navbar Styles ========== */
.navbar {
  background-color: var(--bg-sidebar) !important;
  box-shadow: var(--shadow);
}

.navbar-brand {
  color: white !important;
  font-weight: 600;
}

.navbar-nav .nav-link {
  color: var(--gray-300) !important;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
  color: white !important;
}

/* ========== Form Styles ========== */
.form-control {
  border-color: var(--border-color);
  border-radius: var(--border-radius);
}

.form-control:focus {
  border-color: var(--primary-light);
  box-shadow: 0 0 0 0.2rem rgba(66, 153, 225, 0.25);
}

.form-select {
  border-color: var(--border-color);
  border-radius: var(--border-radius);
}

/* ========== Stat Card Styles ========== */
.stat-card {
  background: linear-gradient(135deg, var(--bg-card) 0%, var(--gray-50) 100%);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 1.5rem;
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
}

.stat-card.primary::before {
  background-color: var(--primary);
}

.stat-card.success::before {
  background-color: var(--success);
}

.stat-card.warning::before {
  background-color: var(--warning);
}

.stat-card.danger::before {
  background-color: var(--danger);
}

.stat-card .stat-value {
  color: var(--text-primary);
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.stat-card .stat-label {
  color: var(--text-secondary);
  font-size: 0.875rem;
  font-weight: 500;
}

/* ========== Workflow Stage Indicators ========== */
.stage-indicator {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.stage-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: inline-block;
}

.stage-dot.stage-1 {
  background-color: var(--warning);
}

.stage-dot.stage-2 {
  background-color: var(--info);
}

.stage-dot.stage-3 {
  background-color: var(--primary);
}

.stage-dot.stage-complete {
  background-color: var(--success);
}

.stage-dot.stage-rejected {
  background-color: var(--danger);
}

/* ========== Data Source Badges ========== */
.data-source-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.75rem;
  padding: 0.2em 0.5em;
  border-radius: 4px;
  font-weight: 500;
}

.data-source-badge.central {
  background-color: var(--info-bg);
  color: var(--info);
  border: 1px solid var(--info-light);
}

.data-source-badge.clwrota {
  background-color: var(--warning-bg);
  color: var(--warning);
  border: 1px solid var(--warning-light);
}

.data-source-badge .icon {
  font-size: 0.625rem;
}

/* ========== Progress Bar ========== */
.progress {
  background-color: var(--gray-200);
  border-radius: var(--border-radius);
  height: 0.75rem;
}

.progress-bar {
  border-radius: var(--border-radius);
}

.progress-bar.bg-success {
  background-color: var(--success) !important;
}

.progress-bar.bg-warning {
  background-color: var(--warning) !important;
}

.progress-bar.bg-danger {
  background-color: var(--danger) !important;
}

/* ========== Budget Indicators ========== */
.budget-healthy {
  color: var(--success);
}

.budget-warning {
  color: var(--warning);
}

.budget-danger {
  color: var(--danger);
}

/* ========== Footer ========== */
.footer {
  background-color: var(--bg-card);
  border-top: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-size: 0.875rem;
  margin-top: auto;
  padding: 1.5rem 0;
}

/* ========== Utility Classes ========== */
.text-muted {
  color: var(--text-muted) !important;
}

.text-secondary {
  color: var(--text-secondary) !important;
}

.border-bottom {
  border-color: var(--border-color) !important;
}

/* ========== Responsive Adjustments ========== */
@media (max-width: 768px) {
  .stat-card .stat-value {
    font-size: 1.5rem;
  }
  
  .card-header {
    padding: 0.75rem 1rem;
  }
  
  .btn {
    padding: 0.375rem 0.75rem;
  }
}