/* Dashboard Design System - Professional Color Palette */

:root {
  /* Primary Colors - Professional Blue/Indigo */
  --primary-50: #eef2ff;
  --primary-100: #e0e7ff;
  --primary-200: #c7d2fe;
  --primary-300: #a5b4fc;
  --primary-400: #818cf8;
  --primary-500: #6366f1;
  --primary-600: #4f46e5;
  --primary-700: #4338ca;
  --primary-800: #3730a3;
  --primary-900: #312e81;
  
  /* Secondary Colors - Emerald for Success */
  --success-50: #ecfdf5;
  --success-100: #d1fae5;
  --success-200: #a7f3d0;
  --success-300: #6ee7b7;
  --success-400: #34d399;
  --success-500: #10b981;
  --success-600: #059669;
  --success-700: #047857;
  --success-800: #065f46;
  --success-900: #064e3b;
  
  /* Neutral Colors - Slate Gray */
  --neutral-50: #f8fafc;
  --neutral-100: #f1f5f9;
  --neutral-200: #e2e8f0;
  --neutral-300: #cbd5e1;
  --neutral-400: #94a3b8;
  --neutral-500: #64748b;
  --neutral-600: #475569;
  --neutral-700: #334155;
  --neutral-800: #1e293b;
  --neutral-900: #0f172a;
  
  /* Accent Colors */
  --info-500: #3b82f6;
  --warning-500: #f59e0b;
  --danger-500: #ef4444;
  
  /* 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);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

/* Global Styles */
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background-color: var(--neutral-50);
  color: var(--neutral-900);
  line-height: 1.6;
}

/* Card Styles */
.card {
  background: white;
  border-radius: 0.75rem;
  box-shadow: var(--shadow);
  transition: all 0.3s ease;
}

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

.card-header {
  padding: 1.5rem;
  border-bottom: 1px solid var(--neutral-200);
}

.card-body {
  padding: 1.5rem;
}

/* Stats Card */
.stat-card {
  background: white;
  border-radius: 0.75rem;
  padding: 1.5rem;
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--primary-500);
  transition: width 0.3s ease;
}

.stat-card:hover::before {
  width: 8px;
}

.stat-card:hover {
  transform: translateX(4px);
  box-shadow: var(--shadow-lg);
}

.stat-icon {
  width: 3rem;
  height: 3rem;
  background: var(--primary-100);
  border-radius: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-600);
  margin-bottom: 1rem;
}

.stat-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--neutral-900);
  line-height: 1;
  margin-bottom: 0.25rem;
}

.stat-label {
  font-size: 0.875rem;
  color: var(--neutral-600);
  font-weight: 500;
}

.stat-change {
  display: inline-flex;
  align-items: center;
  font-size: 0.875rem;
  font-weight: 500;
  margin-top: 0.5rem;
}

.stat-change.positive {
  color: var(--success-600);
}

.stat-change.negative {
  color: var(--danger-500);
}

/* Button Styles */
.btn {
  padding: 0.625rem 1.25rem;
  border-radius: 0.5rem;
  font-weight: 500;
  transition: all 0.2s ease;
  cursor: pointer;
  border: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
}

.btn-primary {
  background: var(--primary-600);
  color: white;
}

.btn-primary:hover {
  background: var(--primary-700);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.btn-secondary {
  background: white;
  color: var(--neutral-700);
  border: 1px solid var(--neutral-300);
}

.btn-secondary:hover {
  background: var(--neutral-50);
  border-color: var(--neutral-400);
}

.btn-success {
  background: var(--success-600);
  color: white;
}

.btn-success:hover {
  background: var(--success-700);
}

.btn-danger {
  background: var(--danger-500);
  color: white;
}

.btn-danger:hover {
  background: #dc2626;
}

/* Table Styles */
.data-table {
  width: 100%;
  border-collapse: collapse;
}

.data-table thead {
  background: var(--neutral-50);
  border-bottom: 2px solid var(--neutral-200);
}

.data-table th {
  padding: 0.75rem 1.5rem;
  text-align: left;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--neutral-600);
}

.data-table tbody tr {
  border-bottom: 1px solid var(--neutral-200);
  transition: background 0.2s ease;
}

.data-table tbody tr:hover {
  background: var(--neutral-50);
}

.data-table td {
  padding: 1rem 1.5rem;
  font-size: 0.875rem;
  color: var(--neutral-700);
}

/* Badge Styles */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 9999px;
  text-transform: capitalize;
}

.badge-success {
  background: var(--success-100);
  color: var(--success-800);
}

.badge-warning {
  background: #fef3c7;
  color: #92400e;
}

.badge-danger {
  background: #fee2e2;
  color: #991b1b;
}

.badge-info {
  background: #dbeafe;
  color: #1e40af;
}

/* Navigation Styles */
.nav-header {
  background: white;
  box-shadow: var(--shadow);
  position: sticky;
  top: 0;
  z-index: 40;
}

.nav-tab {
  position: relative;
  padding: 0.875rem 1.25rem;
  font-weight: 500;
  color: var(--neutral-600);
  transition: all 0.3s ease;
  border-radius: 0.75rem;
  margin: 0 0.25rem;
  display: flex;
  align-items: center;
  white-space: nowrap;
  font-size: 0.9rem;
  min-height: 2.75rem;
  border: 1px solid transparent;
}

.nav-tab:hover {
  color: var(--primary-600);
  background: var(--primary-50);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.15);
  border-color: var(--primary-200);
}

.nav-tab.active {
  color: var(--primary-700);
  background: var(--primary-100);
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.2);
  border-color: var(--primary-300);
  transform: translateY(-1px);
}

.nav-tab i {
  font-size: 1rem;
  width: 1.25rem;
  text-align: center;
}

/* Mobile Navigation */
.mobile-nav-tab {
  color: var(--neutral-600);
  transition: all 0.2s ease;
  border-radius: 0.5rem;
  display: flex;
  align-items: center;
}

.mobile-nav-tab:hover {
  color: var(--primary-600);
  background: var(--primary-50);
}

.mobile-nav-tab.active {
  color: var(--primary-700);
  background: var(--primary-100);
}

/* Responsive Navigation */
@media (max-width: 1024px) {
  .nav-tab span {
    display: none;
  }
  
  .nav-tab {
    padding: 0.75rem;
    justify-content: center;
  }
}

@media (max-width: 640px) {
  .nav-tab {
    display: none;
  }
}

/* Chart Container */
.chart-container {
  position: relative;
  height: 300px;
  width: 100%;
  margin-top: 1rem;
}

/* Progress Bar */
.progress-bar {
  width: 100%;
  height: 8px;
  background: var(--neutral-200);
  border-radius: 4px;
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  background: var(--primary-500);
  transition: width 0.5s ease;
  border-radius: 4px;
}

/* Activity Timeline */
.timeline {
  position: relative;
  padding-left: 2rem;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0.5rem;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--neutral-200);
}

.timeline-item {
  position: relative;
  padding-bottom: 1.5rem;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -1.5rem;
  top: 0.5rem;
  width: 1rem;
  height: 1rem;
  background: white;
  border: 2px solid var(--primary-500);
  border-radius: 50%;
}

/* Loading Spinner */
.spinner {
  width: 2rem;
  height: 2rem;
  border: 3px solid var(--neutral-200);
  border-top-color: var(--primary-500);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* Responsive Grid */
.dashboard-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

/* Animations */
.fade-in {
  animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Icon Integration */
.icon {
  width: 1.25rem;
  height: 1.25rem;
  stroke-width: 2;
}

/* Form Styles */
.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--neutral-700);
  margin-bottom: 0.5rem;
}

.form-input {
  width: 100%;
  padding: 0.625rem 0.875rem;
  border: 1px solid var(--neutral-300);
  border-radius: 0.5rem;
  font-size: 0.875rem;
  transition: all 0.2s ease;
}

.form-input:focus {
  outline: none;
  border-color: var(--primary-500);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

/* Modal Styles */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity 0.3s ease;
}

.modal.show {
  display: flex;
}

.modal.hidden {
  display: none;
}

/* Modal Overlay Styles (for super-admin) */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity 0.3s ease;
}

.modal-overlay.show {
  display: flex;
}

.modal-overlay.hidden {
  display: none;
}

.modal-content {
  background: white;
  border-radius: 1rem;
  box-shadow: var(--shadow-xl);
  max-width: 600px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  animation: modalIn 0.3s ease;
  position: relative;
  z-index: 10000;
}

.modal-header {
  padding: 1.5rem;
  border-bottom: 1px solid var(--neutral-200);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-body {
  padding: 1.5rem;
}

.modal-footer {
  padding: 1.5rem;
  border-top: 1px solid var(--neutral-200);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.75rem;
}

@keyframes modalIn {
  from { 
    opacity: 0;
    transform: scale(0.95) translateY(10px);
  }
  to { 
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}