:root {
  --primary-orange: #FF4500;
  --dark-orange: #E65100;
  --light-orange: #FF7043;
  --orange-hover: #FF6633;
  --background: #F5F5F5;
  --white: #FFFFFF;
  --text-dark: #333333;
  --text-light: #666666;
  --border: #E0E0E0;
  --success: #4CAF50;
  --warning: #FF9800;
  --error: #F44336;
  --shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  --border-radius: 8px;
  --transition: all 0.3s ease;
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  line-height: 1.6;
  color: var(--text-dark);
  background-color: var(--background);
}

.hidden {
  display: none !important;
}

/* Login Page Styles */
.login-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary-orange), var(--dark-orange));
}

.login-card {
  background: var(--white);
  padding: 3rem;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  width: 100%;
  max-width: 400px;
  text-align: center;
}

.logo h1 {
  color: var(--primary-orange);
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.logo p {
  color: var(--text-light);
  margin-bottom: 2rem;
}

.form-group {
  margin-bottom: 1.5rem;
  text-align: left;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: var(--text-dark);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--border);
  border-radius: var(--border-radius);
  font-size: 1rem;
  transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary-orange);
  box-shadow: 0 0 0 3px rgba(255, 69, 0, 0.1);
}

.btn-primary {
  width: 100%;
  background: var(--primary-orange);
  color: var(--white);
  border: none;
  padding: 0.75rem 1.5rem;
  border-radius: var(--border-radius);
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}

.btn-primary:hover {
  background: var(--orange-hover);
  transform: translateY(-1px);
}

.btn-secondary {
  background: var(--white);
  color: var(--primary-orange);
  border: 1px solid var(--primary-orange);
  padding: 0.5rem 1rem;
  border-radius: var(--border-radius);
  font-size: 0.9rem;
  cursor: pointer;
  transition: var(--transition);
}

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

.error-message {
  color: var(--error);
  font-size: 0.9rem;
  margin-top: 0.5rem;
  text-align: center;
}

.success-message {
  color: var(--success);
  font-size: 0.9rem;
  margin-top: 0.5rem;
  text-align: center;
}

/* Dashboard Layout */
.dashboard {
  display: flex;
  min-height: 100vh;
}

/* Sidebar Navigation */
.sidebar {
  width: 250px;
  background: var(--white);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  height: 100vh;
  overflow-y: auto;
}

.logo-sidebar {
  padding: 2rem 1.5rem;
  border-bottom: 1px solid var(--border);
}

.logo-sidebar h2 {
  color: var(--primary-orange);
  font-size: 1.5rem;
  font-weight: 700;
}

.nav-menu {
  list-style: none;
  padding: 1rem 0;
  flex: 1;
}

.nav-menu li {
  margin-bottom: 0.5rem;
}

.nav-link {
  display: block;
  padding: 0.75rem 1.5rem;
  color: var(--text-dark);
  text-decoration: none;
  transition: var(--transition);
  border-left: 3px solid transparent;
}

.nav-link:hover,
.nav-link.active {
  background: rgba(255, 69, 0, 0.1);
  border-left-color: var(--primary-orange);
  color: var(--primary-orange);
}

.sidebar-footer {
  padding: 1.5rem;
  border-top: 1px solid var(--border);
}

/* Main Content */
.main-content {
  flex: 1;
  margin-left: 250px;
  background: var(--background);
}

.header {
  background: var(--white);
  padding: 1.5rem 2rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.header h1 {
  color: var(--text-dark);
  font-size: 1.8rem;
  font-weight: 600;
}

.user-info {
  color: var(--text-light);
  font-size: 0.9rem;
}

.content {
  padding: 2rem;
}

/* Cards */
.card {
  background: var(--white);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  transition: var(--transition);
}

.card:hover {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  transform: translateY(-2px);
}

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

.card-title {
  color: var(--text-dark);
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.card-subtitle {
  color: var(--text-light);
  font-size: 0.9rem;
}

/* Metrics Grid */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.metric-card {
  background: var(--white);
  padding: 1.5rem;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  border-left: 4px solid var(--primary-orange);
  transition: var(--transition);
}

.metric-card:hover {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  transform: translateY(-2px);
}

.metric-label {
  color: var(--text-light);
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
}

.metric-value {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.metric-display {
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary-orange);
}

.metric-input {
  flex: 1;
  padding: 0.5rem;
  border: 1px solid var(--border);
  border-radius: var(--border-radius);
  font-size: 1rem;
}

.btn-edit {
  background: var(--light-orange);
  color: var(--white);
  border: none;
  padding: 0.5rem 1rem;
  border-radius: var(--border-radius);
  cursor: pointer;
  font-size: 0.8rem;
  transition: var(--transition);
}

.btn-edit:hover {
  background: var(--primary-orange);
}

/* Tables */
.table-container {
  background: var(--white);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

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

.table th,
.table td {
  padding: 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.table th {
  background: var(--primary-orange);
  color: var(--white);
  font-weight: 600;
}

.table tr:hover {
  background: rgba(255, 69, 0, 0.05);
}

/* Forms */
.form-container {
  background: var(--white);
  padding: 2rem;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  margin-bottom: 2rem;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.form-section {
  margin-bottom: 2rem;
}

.form-section h3 {
  color: var(--primary-orange);
  font-size: 1.2rem;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--primary-orange);
}

.file-upload {
  border: 2px dashed var(--border);
  border-radius: var(--border-radius);
  padding: 2rem;
  text-align: center;
  transition: var(--transition);
  cursor: pointer;
}

.file-upload:hover {
  border-color: var(--primary-orange);
  background: rgba(255, 69, 0, 0.05);
}

.file-upload input {
  display: none;
}

/* Action Buttons */
.action-buttons {
  display: flex;
  gap: 1rem;
  margin-top: 1.5rem;
}

.btn-add {
  background: var(--success);
  color: var(--white);
  border: none;
  padding: 0.75rem 1.5rem;
  border-radius: var(--border-radius);
  cursor: pointer;
  font-weight: 500;
  transition: var(--transition);
}

.btn-add:hover {
  background: #45a049;
  transform: translateY(-1px);
}

.btn-danger {
  background: var(--error);
  color: var(--white);
  border: none;
  padding: 0.5rem 1rem;
  border-radius: var(--border-radius);
  cursor: pointer;
  font-size: 0.9rem;
  transition: var(--transition);
}

.btn-danger:hover {
  background: #d32f2f;
}

.btn-edit-table {
  background: var(--warning);
  color: var(--white);
  border: none;
  padding: 0.5rem 1rem;
  border-radius: var(--border-radius);
  cursor: pointer;
  font-size: 0.9rem;
  margin-right: 0.5rem;
  transition: var(--transition);
}

.btn-edit-table:hover {
  background: #f57c00;
}

/* Summary Cards */
.summary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}

.summary-card {
  background: var(--white);
  padding: 1.5rem;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  text-align: center;
  border-top: 4px solid var(--primary-orange);
}

.summary-number {
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary-orange);
  margin-bottom: 0.5rem;
}

.summary-label {
  color: var(--text-light);
  font-size: 0.9rem;
}

/* Modal Styles */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: 1000;
  align-items: center;
  justify-content: center;
}

.modal.show {
  display: flex;
}

.modal-content {
  background: var(--white);
  padding: 2rem;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  width: 90%;
  max-width: 500px;
  max-height: 90vh;
  overflow-y: auto;
}

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

.modal-close {
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--text-light);
  transition: var(--transition);
}

.modal-close:hover {
  color: var(--error);
}

/* Filter and Search */
.filters {
  background: var(--white);
  padding: 1rem;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  margin-bottom: 1.5rem;
  display: flex;
  gap: 1rem;
  align-items: center;
  flex-wrap: wrap;
}

.search-input {
  flex: 1;
  min-width: 250px;
  padding: 0.5rem;
  border: 1px solid var(--border);
  border-radius: var(--border-radius);
}

.filter-select {
  padding: 0.5rem;
  border: 1px solid var(--border);
  border-radius: var(--border-radius);
  min-width: 120px;
}

/* Responsive Design */
@media (max-width: 768px) {
  .sidebar {
    width: 100%;
    height: auto;
    position: relative;
  }
  
  .main-content {
    margin-left: 0;
  }
  
  .metrics-grid {
    grid-template-columns: 1fr;
  }
  
  .form-grid {
    grid-template-columns: 1fr;
  }
  
  .filters {
    flex-direction: column;
    align-items: stretch;
  }
  
  .search-input {
    min-width: auto;
  }
}

/* Loading Animation */
.loading {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid rgba(255, 69, 0, 0.3);
  border-radius: 50%;
  border-top-color: var(--primary-orange);
  animation: spin 1s ease-in-out infinite;
}

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

/* Status Badges */
.status-badge {
  padding: 0.25rem 0.75rem;
  border-radius: 1rem;
  font-size: 0.8rem;
  font-weight: 500;
}

.status-active {
  background: rgba(76, 175, 80, 0.1);
  color: var(--success);
}

.status-pending {
  background: rgba(255, 152, 0, 0.1);
  color: var(--warning);
}

.status-completed {
  background: rgba(33, 150, 243, 0.1);
  color: #2196F3;
}

/* Additional Utility Classes */
.text-center { text-align: center; }
.text-right { text-align: right; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }

.flex {
  display: flex;
}

.justify-between {
  justify-content: space-between;
}

.align-center {
  align-items: center;
}

.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }
.gap-3 { gap: 1.5rem; }