/* Custom Color Variables */
:root {
    --primary-color: #0d6efd;
    --secondary-color: #6c757d;
    --success-color: #198754;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #0dcaf0;
}

/* Bootstrap Overrides */
.bd-placeholder-img{font-size:1.125rem;text-anchor:middle;-webkit-user-select:none;-moz-user-select:none;user-select:none}
@media (min-width: 768px){.bd-placeholder-img-lg{font-size:3.5rem}}
.b-example-divider{width:100%;height:3rem;background-color:#0000001a;border:solid rgba(0,0,0,.15);border-width:1px 0;box-shadow:inset 0 .5em 1.5em #0000001a,inset 0 .125em .5em #00000026}
.b-example-vr{flex-shrink:0;width:1.5rem;height:100vh}
.bi{vertical-align:-.125em;fill:currentColor}
.nav-scroller{position:relative;z-index:2;height:2.75rem;overflow-y:hidden}
.nav-scroller .nav{display:flex;flex-wrap:nowrap;padding-bottom:1rem;margin-top:-1px;overflow-x:auto;text-align:center;white-space:nowrap;-webkit-overflow-scrolling:touch}
.btn-bd-primary{--bd-violet-bg: #712cf9;--bd-violet-rgb: 112.520718, 44.062154, 249.437846;--bs-btn-font-weight: 600;--bs-btn-color: var(--bs-white);--bs-btn-bg: var(--bd-violet-bg);--bs-btn-border-color: var(--bd-violet-bg);--bs-btn-hover-color: var(--bs-white);--bs-btn-hover-bg: #6528e0;--bs-btn-hover-border-color: #6528e0;--bs-btn-focus-shadow-rgb: var(--bd-violet-rgb);--bs-btn-active-color: var(--bs-btn-hover-color);--bs-btn-active-bg: #5a23c8;--bs-btn-active-border-color: #5a23c8}
.bd-mode-toggle{z-index:1500}
.bd-mode-toggle .bi{width:1em;height:1em}
.bd-mode-toggle .dropdown-menu .active .bi{display:block!important}

/* Smooth Transitions */
.card, .btn, .nav-link {
    transition: all 0.3s ease;
}

/* Card Hover Effects */
.card-hover:hover {
    transform: translateY(-5px);
    box-shadow: 0 0.5rem 1rem rgba(0,0,0,.15) !important;
}

/* Button Loading State */
.btn.loading {
    position: relative;
    color: transparent;
}

.btn.loading::after {
    content: "";
    position: absolute;
    width: 1rem;
    height: 1rem;
    top: 50%;
    left: 50%;
    margin-left: -0.5rem;
    margin-top: -0.5rem;
    border: 2px solid currentColor;
    border-radius: 50%;
    border-top-color: transparent;
    animation: spinner 0.6s linear infinite;
}

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

/* Loading Skeleton */
.skeleton {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
    border-radius: 0.25rem;
}

@keyframes loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* Responsive Sidebar */
@media (max-width: 768px) {
    .layout-wrapper {
        flex-direction: column !important;
    }
    
    .sidebar {
        width: 100% !important;
        min-height: auto !important;
    }
}

/* DataTables Enhancements */
table.dataTable {
    clear: both;
    margin-top: 6px !important;
    margin-bottom: 6px !important;
    max-width: none !important;
    border-collapse: collapse !important;
    border-spacing: 0;
}

table.dataTable thead th {
    background: var(--bs-primary);
    color: white !important;
    font-weight: 600;
    position: sticky;
    top: 0;
    z-index: 10;
}

/* Theme-aware table headers */
[data-bs-theme="light"] table.dataTable thead th {
    background: var(--bs-primary) !important;
    color: white !important;
}

[data-bs-theme="dark"] table.dataTable thead th {
    background: var(--bs-primary) !important;
    color: white !important;
    border-color: var(--bs-border-color);
}

table.dataTable tbody tr {
    transition: background-color 0.15s ease;
}

table.dataTable tbody tr:hover {
    background-color: rgba(var(--bs-primary-rgb), 0.05) !important;
}

table.dataTable tbody td {
    padding: 8px 10px !important;
}

/* Button Group Enhancements */
.btn-group .btn {
    transition: all 0.2s ease;
}

.btn-group .btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

/* Table Action Buttons */
.table-actions {
    white-space: nowrap;
    display: flex;
    gap: 0.25rem;
    justify-content: flex-end;
}

/* Status Badges */
.status-badge {
    padding: 0.25em 0.6em;
    font-size: 0.875em;
    font-weight: 600;
    border-radius: 0.25rem;
    display: inline-block;
}

.status-badge.pending {
    background-color: #ffc107;
    color: #000;
}

.status-badge.sent {
    background-color: #198754;
    color: #fff;
}

.status-badge.failed {
    background-color: #dc3545;
    color: #fff;
}

/* DataTables Search Input Enhancement */
.dataTables_filter input {
    border-radius: 0.25rem;
    border: 1px solid #ced4da;
    padding: 0.375rem 0.75rem;
    margin-left: 0.5rem;
}

.dataTables_filter input:focus {
    border-color: var(--bs-primary);
    outline: 0;
    box-shadow: 0 0 0 0.25rem rgba(var(--bs-primary-rgb), 0.25);
}

/* Responsive Table Wrapper */
.table-responsive {
    border-radius: 0.375rem;
    box-shadow: 0 0.125rem 0.25rem rgba(0,0,0,0.075);
}

::highlight {
    background-color: #ff0;
    color: #000;
}

.no-sort::after { display: none!important; }

.no-sort { pointer-events: none!important; cursor: default!important; }