/* Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen,
    Ubuntu, Cantarell, sans-serif;
  line-height: 1.6;
  color: #333;
  background-color: #f8f9fa;
}

.app-container {
  max-width: 1200px;
  margin: 0 auto;
  min-height: 100vh;
  display: flex;
  background: white;
}

/* Sidebar Styles */
.sidebar {
  width: 250px;
  background: #2c3e50;
  color: white;
  padding: 20px 0;
  transition: transform 0.3s ease;
  position: fixed;
  height: 100vh;
  z-index: 1000;
  overflow-y: auto;
}

.sidebar-header {
  padding: 0 20px 20px;
  border-bottom: 1px solid #34495e;
}

.sidebar-header h1 {
  font-size: 20px;
  font-weight: 600;
}

.sidebar-nav {
  padding: 20px 0;
}

.nav-item {
  display: block;
  padding: 12px 20px;
  color: #ecf0f1;
  text-decoration: none;
  transition: background-color 0.2s ease;
  cursor: pointer;
  border: none;
  background: none;
  width: 100%;
  text-align: left;
  font-size: 14px;
}

.nav-item:hover,
.nav-item.active {
  background-color: #34495e;
}

.nav-item i {
  margin-right: 10px;
  width: 16px;
  display: inline-block;
}

/* Main Content */
.main-content {
  flex: 1;
  margin-left: 250px;
  padding: 20px;
  min-height: 100vh;
}

/* Header */
.header {
  background: white;
  padding: 15px 20px;
  border-bottom: 1px solid #e9ecef;
  margin: -20px -20px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 100;
}

.search-bar {
  flex: 1;
  max-width: 400px;
  margin: 0 20px;
}

.search-input {
  width: 100%;
  padding: 8px 16px;
  border: 1px solid #ddd;
  border-radius: 20px;
  font-size: 14px;
}

.header-actions {
  display: flex;
  gap: 10px;
}

/* Buttons */
.btn {
  padding: 8px 16px;
  border: none;
  border-radius: 4px;
  font-size: 14px;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all 0.2s ease;
}

.btn-primary {
  background: #007bff;
  color: white;
}

.btn-primary:hover {
  background: #0056b3;
}

.btn-secondary {
  background: #6c757d;
  color: white;
}

.btn-secondary:hover {
  background: #545b62;
}

.btn-success {
  background: #28a745;
  color: white;
}

.btn-success:hover {
  background: #1e7e34;
}

.btn-warning {
  background: #ffc107;
  color: #212529;
}

.btn-warning:hover {
  background: #e0a800;
}

.btn-danger {
  background: #dc3545;
  color: white;
}

.btn-danger:hover {
  background: #c82333;
}

/* Cards */
.card {
  background: white;
  border-radius: 8px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  padding: 20px;
  margin-bottom: 20px;
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 15px;
}

.card-title {
  font-size: 18px;
  font-weight: 600;
}

/* Status Badges */
.badge {
  padding: 4px 8px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 500;
  text-transform: uppercase;
}

.badge-open {
  background: #e3f2fd;
  color: #1976d2;
}

.badge-in-progress {
  background: #fff3e0;
  color: #f57c00;
}

.badge-resolved {
  background: #e8f5e8;
  color: #2e7d32;
}

.badge-closed {
  background: #f5f5f5;
  color: #616161;
}

.badge-low {
  background: #f5f5f5;
  color: #616161;
}

.badge-normal {
  background: #e3f2fd;
  color: #1976d2;
}

.badge-high {
  background: #fff3e0;
  color: #f57c00;
}

.badge-urgent {
  background: #ffebee;
  color: #c62828;
}

/* Forms */
.form-group {
  margin-bottom: 16px;
}

.form-label {
  display: block;
  margin-bottom: 4px;
  font-weight: 500;
  font-size: 14px;
}

.form-control {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid #ddd;
  border-radius: 4px;
  font-size: 14px;
}

.form-control:focus {
  outline: none;
  border-color: #007bff;
  box-shadow: 0 0 0 2px rgba(0, 123, 255, 0.25);
}

textarea.form-control {
  resize: vertical;
  min-height: 100px;
}

/* Tables */
.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.table th,
.table td {
  padding: 12px;
  text-align: left;
  border-bottom: 1px solid #e9ecef;
}

.table th {
  font-weight: 600;
  background: #f8f9fa;
  position: sticky;
  top: 60px;
  z-index: 50;
}

.table tr:hover {
  background: #f8f9fa;
}

.table-clickable {
  cursor: pointer;
}

/* Stats */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  margin-bottom: 20px;
}

.stat-card {
  background: white;
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  text-align: center;
}

.stat-value {
  font-size: 32px;
  font-weight: bold;
  color: #007bff;
}

.stat-label {
  font-size: 14px;
  color: #6c757d;
  margin-top: 5px;
}

/* Timeline */
.timeline {
  border-left: 2px solid #e9ecef;
  margin-left: 20px;
  padding-left: 20px;
}

.timeline-item {
  position: relative;
  padding-bottom: 20px;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: -26px;
  top: 6px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #007bff;
}

.timeline-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

.timeline-author {
  font-weight: 600;
  font-size: 14px;
}

.timeline-time {
  font-size: 12px;
  color: #6c757d;
}

.timeline-content {
  font-size: 14px;
  line-height: 1.5;
}

.timeline-internal {
  background: #fff3cd;
  padding: 12px;
  border-radius: 4px;
  border-left: 3px solid #ffc107;
}

/* File Upload */
.file-upload {
  border: 2px dashed #ddd;
  border-radius: 8px;
  padding: 20px;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.2s ease;
}

.file-upload:hover,
.file-upload.dragover {
  border-color: #007bff;
}

.file-list {
  margin-top: 10px;
}

.file-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px;
  background: #f8f9fa;
  border-radius: 4px;
  margin-bottom: 5px;
}

/* Mobile Menu */
.mobile-menu-toggle {
  display: none;
  position: fixed;
  top: 15px;
  left: 15px;
  z-index: 1001;
  background: #2c3e50;
  color: white;
  border: none;
  border-radius: 4px;
  padding: 8px 12px;
  cursor: pointer;
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 2000;
}

.toast {
  background: white;
  border-radius: 4px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  padding: 16px;
  margin-bottom: 10px;
  min-width: 300px;
  display: flex;
  align-items: center;
  gap: 10px;
  animation: slideIn 0.3s ease;
}

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

.toast-success {
  border-left: 4px solid #28a745;
}

.toast-error {
  border-left: 4px solid #dc3545;
}

.toast-warning {
  border-left: 4px solid #ffc107;
}

/* Modal */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: 3000;
  justify-content: center;
  align-items: center;
}

.modal.active {
  display: flex;
}

.modal-content {
  background: white;
  border-radius: 8px;
  padding: 20px;
  max-width: 500px;
  width: 90%;
  max-height: 80vh;
  overflow-y: auto;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.modal-close {
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: #6c757d;
}

/* Loading */
.loading {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid #f3f3f3;
  border-top: 2px solid #007bff;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

/* Responsive Design */
@media (max-width: 768px) {
  .mobile-menu-toggle {
    display: block;
  }

  .sidebar {
    transform: translateX(-100%);
  }

  .sidebar.active {
    transform: translateX(0);
  }

  .main-content {
    margin-left: 0;
    padding: 60px 15px 15px;
  }

  .stats-grid {
    grid-template-columns: 1fr;
  }

  .header {
    flex-direction: column;
    gap: 10px;
    align-items: stretch;
  }

  .search-bar {
    margin: 0;
    max-width: none;
  }

  .table {
    font-size: 12px;
  }

  .table th,
  .table td {
    padding: 8px;
  }

  .timeline {
    margin-left: 10px;
    padding-left: 15px;
  }
}

/* Utility Classes */
.hidden {
  display: none;
}

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

.text-muted {
  color: #6c757d;
}

.mt-10 {
  margin-top: 10px;
}

.mt-20 {
  margin-top: 20px;
}

.mb-10 {
  margin-bottom: 10px;
}

.mb-20 {
  margin-bottom: 20px;
}

/* View Containers */
.view {
  display: none;
}

.view.active {
  display: block;
}

/* Login Screen */
.login-container {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen,
    Ubuntu, Cantarell, sans-serif;
}

.login-card {
  background: white;
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
  padding: 40px;
  width: 100%;
  max-width: 400px;
}

.login-header {
  text-align: center;
  margin-bottom: 30px;
}

.login-header h1 {
  font-size: 28px;
  color: #333;
  margin-bottom: 8px;
}

.login-header p {
  color: #666;
  font-size: 14px;
}

.login-form {
  width: 100%;
}

.login-button {
  width: 100%;
  padding: 12px;
  background: #007bff;
  color: white;
  border: none;
  border-radius: 6px;
  font-size: 16px;
  font-weight: 500;
  cursor: pointer;
  transition: background-color 0.2s ease;
}

.login-button:hover {
  background: #0056b3;
}

.login-button:disabled {
  background: #ccc;
  cursor: not-allowed;
}

.user-selector {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 10px;
  margin-bottom: 20px;
}

.user-option {
  padding: 15px;
  border: 2px solid #e9ecef;
  border-radius: 8px;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s ease;
}

.user-option:hover {
  border-color: #007bff;
  background: #f8f9ff;
}

.user-option.selected {
  border-color: #007bff;
  background: #e3f2fd;
}

.user-icon {
  font-size: 24px;
  margin-bottom: 5px;
}

.user-name {
  font-weight: 600;
  color: #333;
}

.user-role {
  font-size: 12px;
  color: #666;
  margin-top: 2px;
}

.password-field {
  display: none;
  margin-top: 20px;
}

.password-field.active {
  display: block;
}

/* Status Suggestions */
.status-suggestions {
  background: #f8f9fa;
  border-radius: 6px;
  padding: 15px;
  margin-top: 15px;
}

.status-suggestions h4 {
  font-size: 14px;
  color: #333;
  margin-bottom: 10px;
}

.suggestion-item {
  display: flex;
  align-items: center;
  padding: 8px 12px;
  background: white;
  border-radius: 4px;
  margin-bottom: 8px;
  cursor: pointer;
  transition: background-color 0.2s ease;
}

.suggestion-item:hover {
  background: #e3f2fd;
}

.suggestion-icon {
  margin-right: 8px;
  font-size: 16px;
}

.suggestion-text {
  flex: 1;
  font-size: 13px;
  color: #333;
}

.suggestion-reason {
  font-size: 11px;
  color: #666;
  margin-top: 2px;
}

/* User Badge */
.user-badge {
  background: #007bff;
  color: white;
  padding: 4px 8px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.logout-btn {
  background: #dc3545;
  color: white;
  border: none;
  border-radius: 4px;
  padding: 6px 12px;
  font-size: 12px;
  cursor: pointer;
  transition: background-color 0.2s ease;
}

.logout-btn:hover {
  background: #c82333;
}

.hidden {
  display: none !important;
}