/* Apple Design Style CSS */
:root {
  --apple-blue: #007AFF;
  --apple-gray: #F5F5F7;
  --apple-dark: #1D1D1F;
  --apple-light: #FBFBFD;
  --apple-border: #D2D2D7;
  --apple-text: #1D1D1F;
  --apple-text-secondary: #86868B;
  --apple-success: #34C759;
  --apple-warning: #FF9500;
  --apple-danger: #FF3B30;
  --apple-info: #5AC8FA;
  --apple-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  --apple-radius: 12px;
  --apple-radius-sm: 8px;
  --apple-transition: all 0.3s ease;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--apple-text);
  background-color: var(--apple-light);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Navbar */
.navbar {
  background-color: rgba(255, 255, 255, 0.8) !important;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--apple-border);
  padding: 0.8rem 1rem;
}

.navbar-brand {
  font-weight: 600;
  color: var(--apple-text) !important;
}

.navbar-dark .navbar-nav .nav-link {
  color: var(--apple-text) !important;
  font-weight: 500;
  padding: 0.5rem 1rem;
  border-radius: var(--apple-radius-sm);
  transition: var(--apple-transition);
}

.navbar-dark .navbar-nav .nav-link:hover,
.navbar-dark .navbar-nav .nav-link.active {
  background-color: var(--apple-gray);
  color: var(--apple-blue) !important;
}

/* Cards */
.card {
  border: none;
  border-radius: var(--apple-radius);
  box-shadow: var(--apple-shadow);
  overflow: hidden;
  transition: var(--apple-transition);
  background-color: white;
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.12);
}

.card-header {
  background-color: white;
  border-bottom: 1px solid var(--apple-border);
  padding: 1.25rem 1.5rem;
  font-weight: 600;
}

.card-body {
  padding: 1.5rem;
}

.card-footer {
  background-color: white;
  border-top: 1px solid var(--apple-border);
  padding: 1.25rem 1.5rem;
}

/* Buttons */
.btn {
  border-radius: var(--apple-radius-sm);
  font-weight: 500;
  padding: 0.5rem 1rem;
  transition: var(--apple-transition);
}

.btn-primary {
  background-color: var(--apple-blue);
  border-color: var(--apple-blue);
}

.btn-primary:hover {
  background-color: #0066CC;
  border-color: #0066CC;
}

.btn-success {
  background-color: var(--apple-success);
  border-color: var(--apple-success);
}

.btn-danger {
  background-color: var(--apple-danger);
  border-color: var(--apple-danger);
}

.btn-info {
  background-color: var(--apple-info);
  border-color: var(--apple-info);
  color: white;
}

.btn-sm {
  padding: 0.25rem 0.5rem;
  font-size: 0.875rem;
}

/* Forms */
.form-control, .form-select {
  border-radius: var(--apple-radius-sm);
  border: 1px solid var(--apple-border);
  padding: 0.75rem 1rem;
  transition: var(--apple-transition);
}

.form-control:focus, .form-select:focus {
  border-color: var(--apple-blue);
  box-shadow: 0 0 0 3px rgba(0, 122, 255, 0.1);
}

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

/* Tables */
.table {
  margin-bottom: 0;
}

.table th {
  background-color: var(--apple-gray);
  font-weight: 600;
  color: var(--apple-text-secondary);
  border-bottom: 1px solid var(--apple-border);
}

.table td {
  vertical-align: middle;
  border-bottom: 1px solid var(--apple-border);
}

.table-striped tbody tr:nth-of-type(odd) {
  background-color: rgba(0, 0, 0, 0.02);
}

/* Alerts */
.alert {
  border-radius: var(--apple-radius-sm);
  border: none;
  padding: 1rem 1.25rem;
}

.alert-success {
  background-color: rgba(52, 199, 89, 0.1);
  color: var(--apple-success);
}

.alert-danger {
  background-color: rgba(255, 59, 48, 0.1);
  color: var(--apple-danger);
}

/* Modals */
.modal-content {
  border-radius: var(--apple-radius);
  border: none;
  box-shadow: var(--apple-shadow);
}

.modal-header {
  border-bottom: 1px solid var(--apple-border);
  padding: 1.25rem 1.5rem;
}

.modal-footer {
  border-top: 1px solid var(--apple-border);
  padding: 1.25rem 1.5rem;
}

.modal-title {
  font-weight: 600;
}

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

.overview-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.12);
}

.overview-title {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--apple-text-secondary);
  margin-bottom: 0.5rem;
}

.overview-value {
  font-size: 1.75rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.overview-details {
  border-top: 1px solid var(--apple-border);
  padding-top: 1rem;
  margin-top: 1rem;
  font-size: 0.875rem;
  color: var(--apple-text-secondary);
}

/* Charts */
.chart-container {
  position: relative;
  height: 300px;
  width: 100%;
}

/* Login Page */
.login-container {
  max-width: 400px;
  margin: 0 auto;
  padding: 2rem;
}

.login-logo {
  text-align: center;
  margin-bottom: 2rem;
}

.login-logo h1 {
  font-weight: 600;
  color: var(--apple-text);
}

/* Responsive */
@media (max-width: 768px) {
  .overview-value {
    font-size: 1.5rem;
  }
  
  .card-body {
    padding: 1rem;
  }
  
  .card-header, .card-footer {
    padding: 1rem;
  }
}