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

:root {
  --primary-color: #6366f1;
  --primary-hover: #4f46e5;
  --secondary-color: #64748b;
  --success-color: #22c55e;
  --danger-color: #ef4444;
  --warning-color: #f59e0b;
  --bg-color: #0f172a;
  --surface-color: #1e293b;
  --surface-hover: #334155;
  --text-color: #f1f5f9;
  --text-secondary: #cbd5e1;
  --border-color: #334155;
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
}

body {
  font-family: 'Vazirmatn', sans-serif;
  background-color: var(--bg-color);
  color: var(--text-color);
  line-height: 1.6;
  min-height: 100vh;
}

.page {
  display: none;
}

.page.active {
  display: block;
}

.login-container {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 20px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.login-box {
  background: var(--surface-color);
  padding: 40px;
  border-radius: 16px;
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 420px;
  animation: slideIn 0.3s ease;
}

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

.login-header {
  text-align: center;
  margin-bottom: 32px;
}

.login-header h1 {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-color);
}

.login-header p {
  color: var(--text-secondary);
  font-size: 14px;
}

.login-form .form-group {
  margin-bottom: 20px;
}

.login-form label {
  display: block;
  margin-bottom: 8px;
  font-weight: 500;
  color: var(--text-color);
  font-size: 14px;
}

.login-form input {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid var(--border-color);
  border-radius: 8px;
  background: var(--bg-color);
  color: var(--text-color);
  font-size: 14px;
  transition: all 0.2s;
  font-family: 'Vazirmatn', sans-serif;
}

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

.btn {
  padding: 12px 24px;
  border: none;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: 'Vazirmatn', sans-serif;
  position: relative;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.btn-primary {
  background: var(--primary-color);
  color: white;
  width: 100%;
}

.btn-primary:hover:not(:disabled) {
  background: var(--primary-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow);
}

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

.btn-secondary:hover:not(:disabled) {
  background: #475569;
}

.btn-danger {
  background: var(--danger-color);
  color: white;
  width: 100%;
}

.btn-danger:hover:not(:disabled) {
  background: #dc2626;
}

.btn-loader {
  display: none;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

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

.btn.loading .btn-text {
  display: none;
}

.btn.loading .btn-loader {
  display: block;
}

#dashboardPage {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: 280px;
  background: var(--surface-color);
  border-left: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  position: fixed;
  height: 100vh;
  overflow-y: auto;
}

.sidebar-header {
  padding: 24px 20px;
  border-bottom: 1px solid var(--border-color);
}

.sidebar-header h2 {
  font-size: 20px;
  font-weight: 700;
}

.sidebar-nav {
  flex: 1;
  padding: 16px 0;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 20px;
  color: var(--text-secondary);
  text-decoration: none;
  transition: all 0.2s;
  border-right: 3px solid transparent;
}

.nav-item:hover {
  background: var(--surface-hover);
  color: var(--text-color);
}

.nav-item.active {
  background: var(--surface-hover);
  color: var(--primary-color);
  border-right-color: var(--primary-color);
}

.sidebar-footer {
  padding: 20px;
  border-top: 1px solid var(--border-color);
}

.main-content {
  flex: 1;
  margin-right: 280px;
  background: var(--bg-color);
}

.header {
  background: var(--surface-color);
  padding: 24px 32px;
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 10;
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.header h1 {
  font-size: 24px;
  font-weight: 700;
}

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

.health-status {
  margin-top: 12px;
  padding: 12px 16px;
  border-radius: 8px;
  font-size: 14px;
  display: none;
}

.health-status.warning {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid var(--danger-color);
  color: var(--danger-color);
  display: block;
}

.health-status.success {
  background: rgba(34, 197, 94, 0.1);
  border: 1px solid var(--success-color);
  color: var(--success-color);
  display: block;
}

.content {
  padding: 32px;
}

.content-section {
  display: none;
}

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

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
}

.section-header h2 {
  font-size: 20px;
  font-weight: 600;
}

.search-box {
  margin-bottom: 20px;
}

.search-box input {
  width: 100%;
  max-width: 400px;
  padding: 12px 16px;
  border: 2px solid var(--border-color);
  border-radius: 8px;
  background: var(--surface-color);
  color: var(--text-color);
  font-size: 14px;
  font-family: 'Vazirmatn', sans-serif;
}

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

.table-container {
  background: var(--surface-color);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow);
  position: relative;
}

.loading-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(15, 23, 42, 0.8);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 5;
}

.loading-overlay.active {
  display: flex;
}

.spinner {
  width: 40px;
  height: 40px;
  border: 4px solid rgba(99, 102, 241, 0.3);
  border-top-color: var(--primary-color);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

table {
  width: 100%;
  border-collapse: collapse;
}

thead {
  background: var(--surface-hover);
  position: sticky;
  top: 0;
}

th {
  padding: 16px;
  text-align: right;
  font-weight: 600;
  font-size: 14px;
  color: var(--text-secondary);
  border-bottom: 2px solid var(--border-color);
}

td {
  padding: 16px;
  border-bottom: 1px solid var(--border-color);
  font-size: 14px;
}

tbody tr {
  transition: background 0.2s;
}

tbody tr:hover {
  background: var(--surface-hover);
}

.badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 500;
}

.badge.active {
  background: rgba(34, 197, 94, 0.1);
  color: var(--success-color);
}

.badge.inactive {
  background: rgba(239, 68, 68, 0.1);
  color: var(--danger-color);
}

.form-card {
  background: var(--surface-color);
  padding: 32px;
  border-radius: 12px;
  box-shadow: var(--shadow);
  max-width: 900px;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
  margin-bottom: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  margin-bottom: 20px;
}

.form-group label {
  margin-bottom: 8px;
  font-weight: 500;
  color: var(--text-color);
  font-size: 14px;
}

.form-group input,
.form-group select {
  padding: 12px 16px;
  border: 2px solid var(--border-color);
  border-radius: 8px;
  background: var(--bg-color);
  color: var(--text-color);
  font-size: 14px;
  transition: all 0.2s;
  font-family: 'Vazirmatn', sans-serif;
  width: 100%;
}

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

.form-group small {
  margin-top: 4px;
  color: var(--text-secondary);
  font-size: 12px;
}

.date-time-inputs {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 16px;
    margin-top: 8px;
}

.date-time-inputs .form-group {
    margin-bottom: 0;
}

.date-time-inputs .form-group label {
    font-size: 12px;
    color: var(--text-secondary);
}

#toastContainer {
  position: fixed;
  top: 20px;
  left: 20px;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.toast {
  min-width: 300px;
  padding: 16px 20px;
  border-radius: 8px;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 12px;
  animation: slideInRight 0.3s ease;
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(-100%);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

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

.toast.error {
  background: var(--danger-color);
  color: white;
}

.toast.info {
  background: var(--primary-color);
  color: white;
}

/* Dashboard Styles */
.summary-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 24px;
  margin-bottom: 32px;
}

.summary-card {
  background-color: var(--surface-color);
  border-radius: 12px;
  padding: 24px;
  display: flex;
  align-items: center;
  gap: 20px;
  box-shadow: var(--shadow);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

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

.card-icon {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.card-content p {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 4px;
}

.card-content h3 {
  font-size: 28px;
  font-weight: 700;
  color: var(--text-color);
}

.dashboard-tables {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.table-card {
  background-color: var(--surface-color);
  border-radius: 12px;
  padding: 24px;
  box-shadow: var(--shadow);
}

.table-card h4 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 16px;
}

.table-card .table-container {
  box-shadow: none;
  max-height: 300px;
  overflow-y: auto;
}

@media (max-width: 1200px) {
  .dashboard-tables {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 1024px) {
  .sidebar {
    width: 240px;
  }
  
  .main-content {
    margin-right: 240px;
  }
}

@media (max-width: 768px) {
  .sidebar {
    width: 100%;
    height: auto;
    position: relative;
    border-left: none;
    border-bottom: 1px solid var(--border-color);
  }
  
  .main-content {
    margin-right: 0;
  }
  
  .header-content {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
  
  .content {
    padding: 20px;
  }
  
  .table-container {
    overflow-x: auto;
  }
  
  table {
    min-width: 600px;
  }
  
  .form-row {
    grid-template-columns: 1fr;
  }

  .date-time-inputs {
    grid-template-columns: repeat(auto-fit, minmax(80px, 1fr));
  }
  
  #toastContainer {
    left: 10px;
    right: 10px;
  }
  
  .toast {
    min-width: auto;
  }
}

@media (max-width: 480px) {
  .login-box {
    padding: 24px;
  }
  
  .header {
    padding: 16px 20px;
  }
  
  .content {
    padding: 16px;
  }
  
  .form-card {
    padding: 20px;
  }
  
  th, td {
    padding: 12px;
    font-size: 13px;
  }

  .date-time-inputs {
    grid-template-columns: repeat(2, 1fr);
  }
}