/* Modern color palette */
:root {
    --primary: #4361ee;
    --primary-dark: #3a51d4;
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    --info: #3b82f6;
    --dark: #1e293b;
    --light: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-500: #64748b;
    --gray-700: #334155;
    --border-radius: 12px;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
}

/* Softer body background */
body[data-background-color="lite"] {
    background: var(--gray-100);
}

/* Modern cards */
.card {
    border: none;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: box-shadow 0.2s ease;
}

.card:hover {
    box-shadow: var(--shadow-lg);
}

.card-header {
    background: transparent;
    border-bottom: 1px solid var(--gray-200);
    padding: 1.25rem 1.5rem;
}

.card-body {
    padding: 1.5rem;
}

.card-title {
    font-weight: 600;
    color: var(--gray-700);
    font-size: 1.1rem;
}

/* Better buttons */
.btn {
    border-radius: 8px;
    font-weight: 500;
    padding: 0.5rem 1rem;
    transition: all 0.15s ease;
}

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

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

.btn-round {
    border-radius: 50px;
    padding: 0.5rem 1.25rem;
}

.btn-sm {
    padding: 0.35rem 0.75rem;
    font-size: 0.85rem;
}

/* Modern form inputs */
.form-control {
    border-radius: 8px;
    border: 1px solid var(--gray-200);
    padding: 0.625rem 1rem;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.15);
}

/* Better badges */
.badge {
    font-weight: 500;
    padding: 0.4em 0.8em;
    border-radius: 6px;
}

.badge-live, .badge-active {
    background: var(--success);
}

.badge-inactive {
    background: var(--gray-500);
}

.badge-info {
    background: var(--info);
}

.badge-secondary {
    background: var(--gray-500);
}

/* Modern tables */
.table {
    border-collapse: separate;
    border-spacing: 0;
}

.table thead th {
    background: var(--gray-100);
    border: none;
    font-weight: 600;
    color: var(--gray-700);
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
    padding: 1rem;
}

.table tbody td {
    padding: 1rem;
    vertical-align: middle;
    border-bottom: 1px solid var(--gray-200);
}

.table tbody tr:hover {
    background: var(--gray-100);
}

/* DataTables search input */
.dataTables_filter input {
    border-radius: 50px !important;
    padding: 0.5rem 1rem !important;
    border: 1px solid var(--gray-200) !important;
}

.dataTables_filter input:focus {
    border-color: var(--primary) !important;
    box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.15) !important;
}

/* Modern sidebar */
.sidebar[data-background-color="dark2"] {
    background: linear-gradient(180deg, var(--dark) 0%, #0f172a 100%);
}

.sidebar .nav-item a {
    border-radius: 8px;
    margin: 2px 12px;
    transition: background 0.15s ease;
}

.sidebar .nav-item a:hover {
    background: rgba(255, 255, 255, 0.1);
}

/* Page header */
.page-header {
    margin-bottom: 1.5rem;
}

.page-title {
    font-weight: 700;
    color: var(--gray-700);
}

/* Alert improvements */
.alert {
    border: none;
    border-radius: var(--border-radius);
    padding: 1rem 1.25rem;
}

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

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

/* Custom switch */
.custom-switch .custom-control-input:checked ~ .custom-control-label::before {
    background-color: var(--primary);
    border-color: var(--primary);
}

/* Loading spinner */
.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--gray-200);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* Empty state */
.empty-state {
    padding: 3rem;
    text-align: center;
}

.empty-state i {
    color: var(--gray-500);
    margin-bottom: 1rem;
}

.empty-state p {
    color: var(--gray-500);
    margin-bottom: 1.5rem;
}

/* Smooth transitions */
* {
    transition-property: background-color, border-color, box-shadow;
    transition-duration: 0.15s;
    transition-timing-function: ease;
}