/**
 * Material Design Theme System
 * 4 Color Themes: Blue (Bhumjaithai), Pink (Modern), Orange (Prachachon), Green (Land Department)
 */

:root {
  /* Default Theme: Blue (Bhumjaithai) */
  --md-primary: #1565C0;
  --md-primary-light: #1976D2;
  --md-primary-dark: #0D47A1;
  --md-primary-50: #E3F2FD;
  --md-primary-100: #BBDEFB;
  --md-primary-200: #90CAF9;
  --md-primary-300: #64B5F6;
  --md-primary-400: #42A5F5;
  --md-primary-500: #2196F3;
  --md-primary-600: #1E88E5;
  --md-primary-700: #1976D2;
  --md-primary-800: #1565C0;
  --md-primary-900: #0D47A1;
  
  --md-secondary: #FFC107;
  --md-secondary-light: #FFD54F;
  --md-secondary-dark: #FFA000;
  
  --md-accent: #FF5722;
  --md-accent-light: #FF8A65;
  --md-accent-dark: #E64A19;
  
  /* Neutral Colors */
  --md-surface: #FFFFFF;
  --md-background: #F5F5F5;
  --md-error: #B00020;
  --md-success: #4CAF50;
  --md-warning: #FF9800;
  --md-info: #2196F3;
  
  /* Text Colors */
  --md-on-primary: #FFFFFF;
  --md-on-secondary: #000000;
  --md-on-surface: #212121;
  --md-on-background: #212121;
  --md-text-primary: rgba(0, 0, 0, 0.87);
  --md-text-secondary: rgba(0, 0, 0, 0.60);
  --md-text-disabled: rgba(0, 0, 0, 0.38);
  --md-text-hint: rgba(0, 0, 0, 0.38);
  
  /* Gradients */
  --md-gradient-primary: linear-gradient(135deg, var(--md-primary-600) 0%, var(--md-primary-800) 100%);
  --md-gradient-header: linear-gradient(135deg, var(--md-primary-700) 0%, var(--md-primary-900) 100%);
  --md-gradient-sidebar: linear-gradient(180deg, var(--md-primary-800) 0%, var(--md-primary-900) 100%);
  
  /* Shadows (Material Design Elevation) */
  --md-shadow-1: 0 1px 3px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.24);
  --md-shadow-2: 0 3px 6px rgba(0,0,0,0.15), 0 2px 4px rgba(0,0,0,0.12);
  --md-shadow-3: 0 10px 20px rgba(0,0,0,0.15), 0 3px 6px rgba(0,0,0,0.10);
  --md-shadow-4: 0 15px 25px rgba(0,0,0,0.15), 0 5px 10px rgba(0,0,0,0.05);
  --md-shadow-5: 0 20px 40px rgba(0,0,0,0.2);
  
  /* Border Radius */
  --md-radius-sm: 4px;
  --md-radius-md: 8px;
  --md-radius-lg: 12px;
  --md-radius-xl: 16px;
  --md-radius-full: 9999px;
  
  /* Transitions */
  --md-transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --md-transition-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --md-transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* Theme: Pink (Modern) */
[data-theme="pink"] {
  --md-primary: #E91E63;
  --md-primary-light: #F06292;
  --md-primary-dark: #C2185B;
  --md-primary-50: #FCE4EC;
  --md-primary-100: #F8BBD9;
  --md-primary-200: #F48FB1;
  --md-primary-300: #F06292;
  --md-primary-400: #EC407A;
  --md-primary-500: #E91E63;
  --md-primary-600: #D81B60;
  --md-primary-700: #C2185B;
  --md-primary-800: #AD1457;
  --md-primary-900: #880E4F;
  
  --md-secondary: #9C27B0;
  --md-secondary-light: #BA68C8;
  --md-secondary-dark: #7B1FA2;
  
  --md-accent: #FF4081;
  --md-accent-light: #FF80AB;
  --md-accent-dark: #F50057;
  
  --md-gradient-primary: linear-gradient(135deg, var(--md-primary-500) 0%, var(--md-primary-700) 100%);
  --md-gradient-header: linear-gradient(135deg, var(--md-primary-600) 0%, var(--md-primary-800) 100%);
  --md-gradient-sidebar: linear-gradient(180deg, var(--md-primary-700) 0%, var(--md-primary-900) 100%);
}

/* Theme: Orange (Prachachon) */
[data-theme="orange"] {
  --md-primary: #FF6B35;
  --md-primary-light: #FF8A50;
  --md-primary-dark: #E55A2B;
  --md-primary-50: #FFF3E0;
  --md-primary-100: #FFE0B2;
  --md-primary-200: #FFCC80;
  --md-primary-300: #FFB74D;
  --md-primary-400: #FFA726;
  --md-primary-500: #FF9800;
  --md-primary-600: #FB8C00;
  --md-primary-700: #F57C00;
  --md-primary-800: #EF6C00;
  --md-primary-900: #E65100;
  
  --md-secondary: #FF5722;
  --md-secondary-light: #FF8A65;
  --md-secondary-dark: #E64A19;
  
  --md-accent: #FF3D00;
  --md-accent-light: #FF6E40;
  --md-accent-dark: #DD2C00;
  
  --md-gradient-primary: linear-gradient(135deg, #FF6B35 0%, #E55A2B 100%);
  --md-gradient-header: linear-gradient(135deg, #FF6B35 0%, #E65100 100%);
  --md-gradient-sidebar: linear-gradient(180deg, #FF6B35 0%, #E65100 100%);
}

/* Theme: Green (Land Department) */
[data-theme="green"] {
  --md-primary: #2E7D32;
  --md-primary-light: #4CAF50;
  --md-primary-dark: #1B5E20;
  --md-primary-50: #E8F5E9;
  --md-primary-100: #C8E6C9;
  --md-primary-200: #A5D6A7;
  --md-primary-300: #81C784;
  --md-primary-400: #66BB6A;
  --md-primary-500: #4CAF50;
  --md-primary-600: #43A047;
  --md-primary-700: #388E3C;
  --md-primary-800: #2E7D32;
  --md-primary-900: #1B5E20;
  
  --md-secondary: #8BC34A;
  --md-secondary-light: #AED581;
  --md-secondary-dark: #689F38;
  
  --md-accent: #00C853;
  --md-accent-light: #69F0AE;
  --md-accent-dark: #00A043;
  
  --md-gradient-primary: linear-gradient(135deg, var(--md-primary-600) 0%, var(--md-primary-800) 100%);
  --md-gradient-header: linear-gradient(135deg, var(--md-primary-700) 0%, var(--md-primary-900) 100%);
  --md-gradient-sidebar: linear-gradient(180deg, var(--md-primary-800) 0%, var(--md-primary-900) 100%);
}

/* Material Design Components */

/* Cards */
.md-card {
  background: var(--md-surface);
  border-radius: var(--md-radius-lg);
  box-shadow: var(--md-shadow-2);
  overflow: hidden;
  transition: all var(--md-transition-normal);
}

.md-card:hover {
  box-shadow: var(--md-shadow-3);
  transform: translateY(-2px);
}

.md-card-header {
  background: var(--md-gradient-primary);
  color: var(--md-on-primary);
  padding: 20px 24px;
}

.md-card-header h5 {
  margin: 0;
  font-weight: 600;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  gap: 10px;
}

.md-card-body {
  padding: 24px;
}

/* Buttons */
.md-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border: none;
  border-radius: var(--md-radius-md);
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--md-transition-fast);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  text-decoration: none;
  min-height: 44px;
}

.md-btn-primary {
  background: var(--md-gradient-primary);
  color: var(--md-on-primary);
  box-shadow: var(--md-shadow-1);
}

.md-btn-primary:hover {
  box-shadow: var(--md-shadow-2);
  transform: translateY(-1px);
  filter: brightness(1.1);
}

.md-btn-primary:active {
  transform: translateY(0);
  box-shadow: var(--md-shadow-1);
}

.md-btn-secondary {
  background: transparent;
  color: var(--md-primary);
  border: 2px solid var(--md-primary);
}

.md-btn-secondary:hover {
  background: var(--md-primary-50);
}

.md-btn-text {
  background: transparent;
  color: var(--md-primary);
  padding: 12px 16px;
}

.md-btn-text:hover {
  background: var(--md-primary-50);
}

.md-btn-fab {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--md-gradient-primary);
  color: var(--md-on-primary);
  box-shadow: var(--md-shadow-3);
  border: none;
  cursor: pointer;
  transition: all var(--md-transition-normal);
}

.md-btn-fab:hover {
  box-shadow: var(--md-shadow-4);
  transform: scale(1.05);
}

/* Input Fields */
.md-input-group {
  position: relative;
  margin-bottom: 24px;
}

.md-input {
  width: 100%;
  padding: 16px;
  border: 2px solid #E0E0E0;
  border-radius: var(--md-radius-md);
  font-size: 1rem;
  transition: all var(--md-transition-fast);
  background: var(--md-surface);
}

.md-input:focus {
  outline: none;
  border-color: var(--md-primary);
  box-shadow: 0 0 0 3px var(--md-primary-100);
}

.md-input-label {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--md-text-secondary);
  transition: all var(--md-transition-fast);
  pointer-events: none;
  background: var(--md-surface);
  padding: 0 4px;
}

.md-input:focus + .md-input-label,
.md-input:not(:placeholder-shown) + .md-input-label {
  top: 0;
  font-size: 0.85rem;
  color: var(--md-primary);
}

/* Select */
.md-select {
  width: 100%;
  padding: 16px;
  border: 2px solid #E0E0E0;
  border-radius: var(--md-radius-md);
  font-size: 1rem;
  background: var(--md-surface);
  cursor: pointer;
  transition: all var(--md-transition-fast);
}

.md-select:focus {
  outline: none;
  border-color: var(--md-primary);
  box-shadow: 0 0 0 3px var(--md-primary-100);
}

/* Stats Card */
.md-stat-card {
  background: var(--md-surface);
  border-radius: var(--md-radius-lg);
  padding: 24px;
  box-shadow: var(--md-shadow-2);
  transition: all var(--md-transition-normal);
  position: relative;
  overflow: hidden;
}

.md-stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--md-gradient-primary);
}

.md-stat-card:hover {
  box-shadow: var(--md-shadow-3);
  transform: translateY(-4px);
}

.md-stat-value {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--md-primary);
  line-height: 1;
  margin-bottom: 8px;
}

.md-stat-label {
  font-size: 0.9rem;
  color: var(--md-text-secondary);
  font-weight: 500;
}

.md-stat-trend {
  font-size: 0.85rem;
  color: var(--md-text-hint);
  margin-top: 8px;
}

.md-stat-trend.up {
  color: var(--md-success);
}

.md-stat-trend.up::before {
  content: '↑ ';
}

.md-stat-trend.down {
  color: var(--md-error);
}

.md-stat-trend.down::before {
  content: '↓ ';
}

.md-stat-icon {
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  width: 60px;
  height: 60px;
  background: var(--md-primary-50);
  border-radius: var(--md-radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--md-primary);
  font-size: 1.5rem;
}

/* Sidebar Material */
.md-sidebar {
  width: 260px;
  background: var(--md-gradient-sidebar);
  color: var(--md-on-primary);
  position: fixed;
  left: 0;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  z-index: 1000;
  box-shadow: var(--md-shadow-4);
}

.md-sidebar-header {
  padding: 24px;
  text-align: center;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  background: rgba(0,0,0,0.1);
}

.md-sidebar-header h3 {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.md-sidebar-header p {
  font-size: 0.85rem;
  opacity: 0.8;
  margin: 0;
}

.md-sidebar-menu {
  list-style: none;
  padding: 16px 0;
  margin: 0;
}

.md-sidebar-menu li {
  margin: 4px 0;
}

.md-sidebar-menu a {
  display: flex;
  align-items: center;
  padding: 14px 24px;
  color: rgba(255,255,255,0.9);
  text-decoration: none;
  transition: all var(--md-transition-fast);
  border-left: 4px solid transparent;
}

.md-sidebar-menu a:hover {
  background: rgba(255,255,255,0.1);
  border-left-color: rgba(255,255,255,0.5);
}

.md-sidebar-menu a.active {
  background: rgba(255,255,255,0.15);
  border-left-color: var(--md-on-primary);
  font-weight: 600;
}

.md-sidebar-menu a i {
  width: 24px;
  margin-right: 12px;
  font-size: 1.1rem;
  text-align: center;
}

/* Topbar Material */
.md-topbar {
  background: var(--md-surface);
  padding: 16px 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: var(--md-shadow-2);
  position: sticky;
  top: 0;
  z-index: 100;
}

.md-topbar-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--md-text-primary);
  display: flex;
  align-items: center;
  gap: 12px;
}

.md-topbar-title i {
  color: var(--md-primary);
}

.md-topbar-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* User Avatar */
.md-avatar {
  width: 45px;
  height: 45px;
  border-radius: 50%;
  background: var(--md-gradient-primary);
  color: var(--md-on-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.1rem;
  box-shadow: var(--md-shadow-1);
}

/* Chips */
.md-chip {
  display: inline-flex;
  align-items: center;
  padding: 6px 12px;
  border-radius: var(--md-radius-full);
  font-size: 0.85rem;
  font-weight: 500;
  background: var(--md-primary-100);
  color: var(--md-primary-800);
}

.md-chip-success {
  background: #E8F5E9;
  color: #2E7D32;
}

.md-chip-warning {
  background: #FFF3E0;
  color: #EF6C00;
}

.md-chip-error {
  background: #FFEBEE;
  color: #C62828;
}

/* Table Material */
.md-table {
  width: 100%;
  border-collapse: collapse;
}

.md-table th {
  background: var(--md-primary-50);
  color: var(--md-primary-800);
  font-weight: 600;
  padding: 16px;
  text-align: left;
  border-bottom: 2px solid var(--md-primary-200);
}

.md-table td {
  padding: 16px;
  border-bottom: 1px solid #E0E0E0;
  color: var(--md-text-primary);
}

.md-table tr:hover {
  background: var(--md-primary-50);
}

/* Switch Toggle */
.md-switch {
  position: relative;
  width: 52px;
  height: 28px;
}

.md-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.md-switch-slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: #9E9E9E;
  border-radius: var(--md-radius-full);
  transition: var(--md-transition-fast);
}

.md-switch-slider::before {
  content: '';
  position: absolute;
  height: 22px;
  width: 22px;
  left: 3px;
  bottom: 3px;
  background: white;
  border-radius: 50%;
  transition: var(--md-transition-fast);
  box-shadow: var(--md-shadow-1);
}

.md-switch input:checked + .md-switch-slider {
  background: var(--md-primary);
}

.md-switch input:checked + .md-switch-slider::before {
  transform: translateX(24px);
}

/* Ripple Effect */
.md-ripple {
  position: relative;
  overflow: hidden;
}

.md-ripple::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: rgba(255,255,255,0.3);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width 0.3s, height 0.3s, opacity 0.3s;
  opacity: 0;
}

.md-ripple:active::after {
  width: 200px;
  height: 200px;
  opacity: 1;
  transition: 0s;
}

/* Badge */
.md-badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: var(--md-radius-full);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.md-badge-primary {
  background: var(--md-primary);
  color: var(--md-on-primary);
}

.md-badge-success {
  background: var(--md-success);
  color: white;
}

.md-badge-warning {
  background: var(--md-warning);
  color: white;
}

.md-badge-error {
  background: var(--md-error);
  color: white;
}

/* Floating Action Button */
.md-fab-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 1000;
}

/* Progress Bar */
.md-progress {
  width: 100%;
  height: 8px;
  background: var(--md-primary-100);
  border-radius: var(--md-radius-full);
  overflow: hidden;
}

.md-progress-bar {
  height: 100%;
  background: var(--md-gradient-primary);
  border-radius: var(--md-radius-full);
  transition: width var(--md-transition-slow);
}

/* Divider */
.md-divider {
  height: 1px;
  background: #E0E0E0;
  margin: 24px 0;
}

/* Empty State */
.md-empty-state {
  text-align: center;
  padding: 48px 24px;
  color: var(--md-text-secondary);
}

.md-empty-state i {
  font-size: 4rem;
  opacity: 0.3;
  margin-bottom: 16px;
}

.md-empty-state h3 {
  font-size: 1.25rem;
  color: var(--md-text-primary);
  margin-bottom: 8px;
}

/* Animation Classes */
@keyframes md-fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes md-slideUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes md-scaleIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.md-animate-fadeIn {
  animation: md-fadeIn var(--md-transition-normal);
}

.md-animate-slideUp {
  animation: md-slideUp var(--md-transition-normal);
}

.md-animate-scaleIn {
  animation: md-scaleIn var(--md-transition-normal);
}

/* ===================================
   SIDEBAR THEME INTEGRATION
   ================================== */

/* Override admin.css sidebar with theme colors */
.sidebar {
  background: var(--md-gradient-sidebar) !important;
}

.mobile-menu-toggle {
  background: var(--md-gradient-primary) !important;
}

/* ===================================
   MAIN CONTENT THEME INTEGRATION
   ================================== */

/* Report header gradient */
.report-header {
  background: var(--md-gradient-primary) !important;
}

/* Welcome banner gradient */
.welcome-banner {
  background: var(--md-gradient-primary) !important;
}

/* Topbar theme */
.topbar {
  border-bottom-color: var(--md-primary-100) !important;
}

/* Card headers theme */
.card-header-gradient {
  background: var(--md-gradient-primary) !important;
}

/* Buttons theme */
.btn-primary {
  background: var(--md-primary) !important;
  border-color: var(--md-primary) !important;
}

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

/* Login page theme */
body.login-page {
  background: var(--md-gradient-primary) !important;
}

/* Login form button */
.login-page .btn-login {
  background: var(--md-gradient-primary) !important;
}

/* Login brand section */
.login-page .login-brand {
  background: var(--md-gradient-primary) !important;
}

/* Links theme */
a.text-primary {
  color: var(--md-primary) !important;
}

/* Focus states */
.form-control:focus {
  border-color: var(--md-primary) !important;
  box-shadow: 0 0 0 0.2rem color-mix(in srgb, var(--md-primary) 25%, transparent) !important;
}