/* ==========================================================================
   DtColumnFilter – Excel-style column filtering for DataTables
   ========================================================================== */

/* Funnel icon button inside <th> */
.btn-column-filter {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    height: 22px;
    padding: 0;
    border: none;
    background: transparent;
    color: #6c757d;
    font-size: 13px;
    cursor: pointer;
    border-radius: 3px;
    vertical-align: middle;
    margin-left: 4px;
    transition: color 0.15s, background-color 0.15s;
}

.btn-column-filter:hover {
    color: #495057;
    background-color: rgba(0,0,0,0.06);
}

.btn-column-filter.active {
    color: #157cc4;
    background-color: rgba(21,124,196,0.12);
}

/* ---- Dropdown panel ---- */
.col-filter-dropdown {
    position: fixed;
    z-index: 100050;
    width: 280px;
    max-height: 80vh;
    background: #fff;
    border: 1px solid #dee2e6;
    border-radius: 8px;
    box-shadow: 0 6px 24px rgba(0,0,0,0.18);
    padding: 0;
    display: none;
    overflow: visible;
    font-size: 13px;
    flex-direction: column;
}

.col-filter-dropdown.open {
    display: flex;
}

/* ---- Sort section ---- */
.col-filter-section-sort {
    padding: 8px 12px 4px;
    border-bottom: 1px solid #eee;
    flex-shrink: 0;
}

.col-filter-sort-row {
    display: flex;
    align-items: center;
    padding: 5px 4px;
    cursor: pointer;
    border-radius: 4px;
    color: #333;
}

.col-filter-sort-row:hover {
    background-color: #f0f4f8;
}

.col-filter-sort-row i {
    margin-right: 8px;
    font-size: 14px;
    color: #6c757d;
}

.col-filter-sort-row.active-sort {
    color: #157cc4;
    font-weight: 600;
}

.col-filter-sort-row.active-sort i {
    color: #157cc4;
}

/* ---- Conditions section ---- */
.col-filter-section-conditions {
    padding: 8px 12px;
    border-bottom: 1px solid #eee;
    flex-shrink: 0;
}

.col-filter-section-conditions .section-label {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    color: #6c757d;
    margin-bottom: 6px;
    letter-spacing: 0.5px;
}

.col-filter-condition-row {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 6px;
}

.col-filter-condition-row select {
    flex: 0 0 auto;
    width: 120px;
    padding: 4px 6px;
    font-size: 12px;
    border: 1px solid #ced4da;
    border-radius: 4px;
    background: #fff;
}

.col-filter-condition-row input {
    flex: 1;
    min-width: 0;
    padding: 4px 6px;
    font-size: 12px;
    border: 1px solid #ced4da;
    border-radius: 4px;
}

.col-filter-condition-row input:focus,
.col-filter-condition-row select:focus {
    outline: none;
    border-color: #157cc4;
    box-shadow: 0 0 0 2px rgba(21,124,196,0.15);
}

/* AND / OR radio row */
.col-filter-logic-row {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 4px 0 2px;
    font-size: 12px;
    color: #555;
}

.col-filter-logic-row label {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    cursor: pointer;
    margin: 0;
    font-weight: 500;
}

.col-filter-logic-row input[type="radio"] {
    margin: 0;
}

/* ---- Values section (checkbox list) ---- */
.col-filter-section-values {
    padding: 6px 12px 4px;
    border-bottom: 1px solid #eee;
    flex: 1;
    min-height: 0;
    max-height: 260px;
    overflow-y: auto;
}

.col-filter-section-values .section-label {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    color: #6c757d;
    margin-bottom: 4px;
    letter-spacing: 0.5px;
}

.col-filter-values-search {
    width: 100%;
    padding: 4px 8px;
    font-size: 12px;
    border: 1px solid #ced4da;
    border-radius: 4px;
    margin-bottom: 4px;
}

.col-filter-values-search:focus {
    outline: none;
    border-color: #157cc4;
    box-shadow: 0 0 0 2px rgba(21,124,196,0.15);
}

.col-filter-values-list {
    padding: 2px 0;
}

.col-filter-values-list label {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 3px 4px;
    cursor: pointer;
    border-radius: 3px;
    margin: 0;
    font-weight: normal;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.col-filter-values-list label:hover {
    background-color: #f0f4f8;
}

.col-filter-values-list input[type="checkbox"] {
    margin: 0;
    flex-shrink: 0;
}

.col-filter-select-all {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 3px 4px;
    cursor: pointer;
    font-weight: 600;
    margin-bottom: 2px;
    border-bottom: 1px solid #eee;
    padding-bottom: 5px;
}

.col-filter-select-all input[type="checkbox"] {
    margin: 0;
}

/* ---- Actions section ---- */
.col-filter-section-actions {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
    padding: 8px 12px;
    background: #fafbfc;
    border-top: 1px solid #eee;
    flex-shrink: 0;
}

.col-filter-section-actions button {
    padding: 5px 16px;
    font-size: 12px;
    border-radius: 4px;
    cursor: pointer;
    font-weight: 500;
    border: 1px solid transparent;
    transition: background-color 0.15s, border-color 0.15s;
}

.col-filter-btn-clear {
    background: #fff;
    color: #6c757d;
    border-color: #ced4da;
}

.col-filter-btn-clear:hover {
    background: #f8f9fa;
    border-color: #adb5bd;
}

.col-filter-btn-apply {
    background: #157cc4;
    color: #fff;
    border-color: #157cc4;
}

.col-filter-btn-apply:hover {
    background: #0d5a8a;
    border-color: #0d5a8a;
}

/* ---- Loading spinner for server-mode values ---- */
@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* ---- fixedHeader z-index override ---- */
.dtfh-floatingparenthead {
    z-index: 100000 !important;
    overflow: visible !important;
}