/* Loading Spinners */
.spinner {
    border: 2px solid #f3f3f3;
    border-top: 2px solid #3498db;
    border-radius: 50%;
    width: 16px;
    height: 16px;
    animation: spin 1s linear infinite;
    display: inline-block;
}

.spinner-lg {
    border: 3px solid #f3f3f3;
    border-top: 3px solid #3498db;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: 0 auto;
}

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

/* Navigation */
.nav-link.active {
    background-color: rgba(59, 130, 246, 0.5);
    border-right: 3px solid #3b82f6;
}

/* Toast Notifications */
.toast {
    padding: 12px 16px;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    min-width: min(300px, calc(100vw - 2rem));
    animation: slideIn 0.3s ease;
}

.toast-success {
    background-color: #10b981;
    color: white;
}

.toast-error {
    background-color: #ef4444;
    color: white;
}

.toast-info {
    background-color: #3b82f6;
    color: white;
}

.toast-warning {
    background-color: #f59e0b;
    color: white;
}

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

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

/* Cards */
.stat-card {
    background: white;
    border-radius: 8px;
    padding: 24px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.stat-card h3 {
    font-size: 14px;
    color: #6b7280;
    font-weight: 500;
    margin-bottom: 8px;
}

.stat-card .value {
    font-size: 28px;
    font-weight: 700;
    color: #1f2937;
}

.stat-card .subtext {
    font-size: 12px;
    color: #9ca3af;
    margin-top: 4px;
}

/* Tables */
.table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

@media (max-width: 768px) {
    .table-responsive .data-table {
        min-width: 600px;
    }
}

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

.data-table th {
    text-align: left;
    padding: 12px 16px;
    background-color: #f9fafb;
    border-bottom: 1px solid #e5e7eb;
    font-weight: 600;
    font-size: 12px;
    text-transform: uppercase;
    color: #6b7280;
}

.data-table td {
    padding: 12px 16px;
    border-bottom: 1px solid #e5e7eb;
}

.data-table tbody tr:hover {
    background-color: #f9fafb;
}

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

.form-label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: #374151;
    margin-bottom: 4px;
}

.form-input {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid #d1d5db;
    border-radius: 6px;
    font-size: 14px;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-input:focus {
    outline: none;
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-input:disabled {
    background-color: #f3f4f6;
    cursor: not-allowed;
}

.form-input.error {
    border-color: #ef4444;
}

.form-error {
    font-size: 12px;
    color: #ef4444;
    margin-top: 4px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 8px 16px;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    border: none;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-primary {
    background-color: #3b82f6;
    color: white;
}

.btn-primary:hover:not(:disabled) {
    background-color: #2563eb;
}

.btn-secondary {
    background-color: #6b7280;
    color: white;
}

.btn-secondary:hover:not(:disabled) {
    background-color: #4b5563;
}

.btn-success {
    background-color: #10b981;
    color: white;
}

.btn-success:hover:not(:disabled) {
    background-color: #059669;
}

.btn-danger {
    background-color: #ef4444;
    color: white;
}

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

.btn-outline {
    background-color: transparent;
    border: 1px solid #d1d5db;
    color: #374151;
}

.btn-outline:hover:not(:disabled) {
    background-color: #f3f4f6;
}

/* Modal */
.modal-header {
    padding: 16px 24px;
    border-bottom: 1px solid #e5e7eb;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-header h3 {
    font-size: 18px;
    font-weight: 600;
    color: #1f2937;
}

.modal-body {
    padding: 24px;
}

.modal-footer {
    padding: 16px 24px;
    border-top: 1px solid #e5e7eb;
    display: flex;
    flex-direction: column-reverse;
    gap: 12px;
}

@media (min-width: 640px) {
    .modal-footer {
        flex-direction: row;
        justify-content: flex-end;
    }
}

/* Service Item Card */
.service-item {
    background: #f9fafb;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    padding: 16px;
    margin-bottom: 12px;
}

.service-item-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.service-item-fields {
    display: grid;
    grid-template-columns: 1fr;
    gap: 12px;
}

@media (min-width: 640px) {
    .service-item-fields {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Badge */
.badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 9999px;
    font-size: 12px;
    font-weight: 500;
}

.badge-success {
    background-color: #d1fae5;
    color: #065f46;
}

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

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

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

.badge-primary {
    background-color: #c7d2fe;
    color: #3730a3;
}

.badge-purple {
    background-color: #e9d5ff;
    color: #6b21a8;
}

.badge-gray {
    background-color: #e5e7eb;
    color: #374151;
}

.badge-secondary {
    background-color: #f3f4f6;
    color: #4b5563;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 48px 24px;
    color: #6b7280;
}

.empty-state svg {
    width: 64px;
    height: 64px;
    margin: 0 auto 16px;
    color: #d1d5db;
}

/* Pagination */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 24px;
    flex-wrap: wrap;
}

.pagination button {
    padding: 8px 12px;
    border: 1px solid #d1d5db;
    border-radius: 6px;
    background: white;
    cursor: pointer;
}

.pagination button:hover:not(:disabled) {
    background-color: #f3f4f6;
}

.pagination button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.pagination .current {
    background-color: #3b82f6;
    color: white;
    border-color: #3b82f6;
}

/* Tabs */
.tabs {
    display: flex;
    border-bottom: 1px solid #e5e7eb;
    margin-bottom: 24px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}

.tabs::-webkit-scrollbar {
    display: none;
}

.tab {
    padding: 12px 24px;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    color: #6b7280;
    font-weight: 500;
    transition: all 0.2s;
    white-space: nowrap;
    flex-shrink: 0;
}

.tab:hover {
    color: #374151;
}

.tab.active {
    color: #3b82f6;
    border-bottom-color: #3b82f6;
}

/* Utility */
.text-right { text-align: right; }
.text-center { text-align: center; }
.font-mono { font-family: ui-monospace, monospace; }
.truncate {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}