/* ===== Theme Variables ===== */
:root, [data-theme="light"] {
    --bg-body: #f8f9fa;
    --bg-card: #ffffff;
    --bg-input: #ffffff;
    --text-primary: #212529;
    --text-muted: #6c757d;
    --border-color: #dee2e6;
    --card-shadow: rgba(0, 0, 0, 0.1);
    --thumb-placeholder: #e9ecef;
}

[data-theme="dark"] {
    --bg-body: #1a1d21;
    --bg-card: #212529;
    --bg-input: #2b3035;
    --text-primary: #e9ecef;
    --text-muted: #adb5bd;
    --border-color: #495057;
    --card-shadow: rgba(0, 0, 0, 0.3);
    --thumb-placeholder: #343a40;
}

/* ===== Base ===== */
body {
    background-color: var(--bg-body);
    color: var(--text-primary);
}

.card {
    border: none;
    box-shadow: 0 1px 3px var(--card-shadow);
    background-color: var(--bg-card);
}

.navbar-brand {
    font-weight: 600;
}

.display-6 {
    font-weight: 700;
}

/* ===== Item list thumbnails ===== */
.item-thumb {
    width: 40px;
    height: 40px;
    object-fit: cover;
}

.item-thumb-placeholder {
    width: 40px;
    height: 40px;
    background: var(--thumb-placeholder);
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ===== Dark mode overrides ===== */
[data-theme="dark"] .table {
    --bs-table-bg: var(--bg-card);
    --bs-table-color: var(--text-primary);
    --bs-table-border-color: var(--border-color);
}

[data-theme="dark"] .table-hover > tbody > tr:hover {
    --bs-table-hover-bg: rgba(255, 255, 255, 0.05);
}

[data-theme="dark"] .table-danger {
    --bs-table-bg: rgba(220, 53, 69, 0.15);
    --bs-table-color: var(--text-primary);
}

[data-theme="dark"] .form-control,
[data-theme="dark"] .form-select {
    background-color: var(--bg-input);
    border-color: var(--border-color);
    color: var(--text-primary);
}

[data-theme="dark"] .form-control:focus,
[data-theme="dark"] .form-select:focus {
    background-color: var(--bg-input);
    color: var(--text-primary);
    border-color: #86b7fe;
}

[data-theme="dark"] .list-group-item {
    background-color: var(--bg-card);
    border-color: var(--border-color);
    color: var(--text-primary);
}

[data-theme="dark"] .list-group-item-action:hover {
    background-color: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
}

[data-theme="dark"] .breadcrumb-item + .breadcrumb-item::before {
    color: var(--text-muted);
}

[data-theme="dark"] .breadcrumb-item.active {
    color: var(--text-muted);
}

[data-theme="dark"] .dropdown-menu {
    background-color: var(--bg-card);
    border-color: var(--border-color);
}

[data-theme="dark"] .dropdown-item {
    color: var(--text-primary);
}

[data-theme="dark"] .dropdown-item:hover {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
}

[data-theme="dark"] .modal-content {
    background-color: var(--bg-card);
    border-color: var(--border-color);
    color: var(--text-primary);
}

[data-theme="dark"] .card-footer {
    background-color: rgba(255, 255, 255, 0.03);
    border-color: var(--border-color);
}

[data-theme="dark"] .card-header {
    border-color: var(--border-color);
}

[data-theme="dark"] .text-muted {
    color: var(--text-muted) !important;
}

[data-theme="dark"] .form-check-input {
    background-color: var(--bg-input);
    border-color: var(--border-color);
}

[data-theme="dark"] .img-thumbnail {
    background-color: var(--bg-input);
    border-color: var(--border-color);
}

/* ===== Drag-and-Drop ===== */
.drag-handle {
    cursor: grab;
    color: var(--text-muted);
    margin-right: 0.5rem;
}

.drag-handle:active {
    cursor: grabbing;
}

[data-draggable-item] {
    transition: opacity 0.2s;
}

[data-draggable-item].dragging {
    opacity: 0.4;
}

[data-drop-location].drop-highlight {
    outline: 2px dashed #0d6efd;
    outline-offset: -2px;
    background-color: rgba(13, 110, 253, 0.05);
}

/* ===== Mobile Card Layout ===== */
@media (max-width: 767.98px) {
    .mobile-cards thead {
        display: none;
    }

    .mobile-cards tbody tr {
        display: block;
        margin-bottom: 0.75rem;
        background: var(--bg-card);
        border-radius: 0.5rem;
        box-shadow: 0 1px 3px var(--card-shadow);
        padding: 0.75rem;
    }

    .mobile-cards tbody td {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 0.25rem 0;
        border: none;
    }

    .mobile-cards tbody td::before {
        content: attr(data-label);
        font-weight: 600;
        color: var(--text-muted);
        margin-right: 0.5rem;
    }

    .mobile-cards tbody td[data-label=""]::before {
        display: none;
    }

    .mobile-cards .col-bulk {
        display: none;
    }

    /* Action columns: right-align without label */
    .mobile-cards tbody td:last-child:not([data-label]) {
        justify-content: flex-end;
    }

    /* ── Page header stacking ── */
    .page-header {
        flex-direction: column !important;
        align-items: flex-start !important;
        gap: 0.75rem;
    }

    .page-header .btn-group,
    .page-header .d-flex {
        flex-wrap: wrap;
        gap: 0.25rem;
    }

    /* ── Dashboard stat cards ── */
    .display-6 {
        font-size: 1.75rem;
    }

    /* ── Location tree ── */
    .location-tree-item {
        padding: 0.75rem 1rem;
    }

    .location-tree-item > .d-flex.justify-content-between {
        flex-direction: column;
        align-items: flex-start !important;
        gap: 0.25rem;
    }

    .location-tree-item .ms-4 {
        margin-left: 1rem !important;
    }

    .location-tree-item .d-none-mobile {
        display: none !important;
    }

    /* ── Items filter form ── */
    .filter-clear-col {
        width: auto !important;
        flex: none !important;
    }

    /* ── Bulk ops / general btn-group wrapping ── */
    .btn-group-mobile-wrap {
        display: flex !important;
        flex-wrap: wrap;
        gap: 0.25rem;
    }

    .btn-group-mobile-wrap > .btn {
        border-radius: 0.375rem !important;
    }
}

/* ===== Toast notification ===== */
.toast-notification {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    z-index: 9999;
    padding: 0.75rem 1.25rem;
    border-radius: 0.5rem;
    color: #fff;
    background-color: #198754;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    animation: toastIn 0.3s ease;
}

@keyframes toastIn {
    from { opacity: 0; transform: translateY(1rem); }
    to { opacity: 1; transform: translateY(0); }
}

/* ===== Print styles ===== */
@media print {
    .navbar, .btn, .breadcrumb, .alert {
        display: none !important;
    }
    .card {
        box-shadow: none;
        border: 1px solid #ddd;
    }
}