/**
 * VK Chart Builder — Front-end filter styles.
 */

.vk-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    align-items: flex-end;
}

/* ── Single filter control ───────────────────────────────────────── */

.vk-filter {
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 100px;
}

.vk-filters .vk-filter-wrapper {
    position: relative;
}

.vk-filter-label {
}

.vk-filter select,
.vk-filter input[type="text"],
.vk-filter input[type="date"] {
    padding: 6px 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
    background: #fff;
    min-width: 110px;
    box-sizing: border-box;
    margin-bottom: 0;
}

.vk-filter select:focus,
.vk-filter input:focus {
    border-color: #2271b1;
    outline: none;
    box-shadow: 0 0 0 1px #2271b1;
}

/* ── Date range ──────────────────────────────────────────────────── */

.vk-filter-date-range {
    display: flex;
    align-items: center;
    gap: 6px;
}

.vk-filter-date-sep {
    color: #888;
}

.vk-filter-date-range input[type="date"] {
    min-width: 130px;
}

/* ── Dropdown ────────────────────────────────────────────────────── */

.vk-filters .vk-filter-wrapper.vk-filter-dropdown:after {
    content: "";
    border-style: solid;
    border-width: 8px 5px 0;
    border-color: #575757 transparent transparent;
    position: absolute;
    top: 17px;
    right: 11px;
    pointer-events: none;
}

.vk-filters .vk-filter-wrapper select{
    padding-right: 25px;
}

/* ── Search select ───────────────────────────────────────────────── */

.vk-filter-search-select {
    position: relative;
    width: 250px;
}

.vk-filter-search-input {
    width: 100%;
    box-sizing: border-box;
    margin-bottom: 0;
}

.vk-filter-search-dropdown {
    display: none;
    position: absolute;
    top: calc(100% + 2px);
    left: 0;
    right: 0;
    max-height: 200px;
    overflow-y: auto;
    overflow-x: hidden;
    background: #fff;
    border: 1px solid #ccc;
    border-top: none;
    border-radius: 0 0 4px 4px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    z-index: 1000;
}

.vk-filter-search-dropdown.vk-filter-search-open {
    display: block;
}

.vk-filter-search-item {
    padding: 6px 10px;
    cursor: pointer;
}

.vk-filter-search-item:hover,
.vk-filter-search-item.vk-filter-search-active {
    background: #f0f6fc;
}

.vk-filter-search-empty {
    padding: 8px 10px;
    color: #888;
    font-style: italic;
}

/* ── Multi-select (tags / checkbox) dropdowns ────────────────────── */

.vk-filter-multiselect {
    position: relative;
    min-width: 200px;
}

.vk-ms-control {
    display: flex;
    align-items: center;
    gap: 6px;
    width: 100%;
    min-height: 42px;
    padding: 4px 28px 4px 8px;
    border: 1px solid #ccc;
    border-radius: 4px;
    background: #fff;
    color: #333;
    text-align: left;
    cursor: pointer;
    box-sizing: border-box;
    font: inherit;
}

.vk-ms-control:focus-visible {
    border-color: #2271b1;
    outline: none;
    box-shadow: 0 0 0 1px #2271b1;
}

.vk-ms-control[aria-disabled="true"] {
    background: #f7f7f7;
    color: #999;
    cursor: not-allowed;
}

.vk-ms-caret {
    position: absolute;
    top: 50%;
    right: 11px;
    width: 0;
    height: 0;
    margin-top: -3px;
    border-style: solid;
    border-width: 6px 4px 0;
    border-color: #575757 transparent transparent;
    pointer-events: none;
}

.vk-ms-open .vk-ms-caret {
    transform: rotate(180deg);
    margin-top: -3px;
}

.vk-ms-placeholder {
    color: #888;
    padding: 2px 0;
}

/* Summary (checkbox variant) */
.vk-ms-summary {
    flex: 1 1 auto;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Chips (tags variant) */
.vk-ms-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    flex: 1 1 auto;
    min-width: 0;
    padding: 1px;
}

.vk-ms-chip {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 4px 3px 6px;
    background: #e6f0f7;
    border: 1px solid #c3ddec;
    border-radius: 3px;
    font-size: 15px;
    line-height: 1.4;
    max-width: 213px;
}

.vk-ms-chip-label {
    white-space: nowrap;
    max-width: 181px;
    overflow: hidden;
}

.vk-ms-chip-x {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 16px;
    height: 16px;
    border-radius: 2px;
    color: #135e96;
    font-size: 14px;
    line-height: 1;
    cursor: pointer;
}

.vk-ms-chip-x:hover {
    background: #c3ddec;
}

.vk-ms-chip-x:focus-visible {
    outline: none;
    box-shadow: 0 0 0 2px #2271b1;
}

/* Dropdown panel */
.vk-ms-panel {
    display: none;
    position: absolute;
    top: calc(100% + 2px);
    left: 0;
    right: 0;
    max-height: 240px;
    overflow-y: auto;
    background: #fff;
    border: 1px solid #ccc;
    border-radius: 4px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    z-index: 1000;
}

.vk-ms-open .vk-ms-panel {
    display: block;
}

.vk-ms-option {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 10px;
    cursor: pointer;
}

.vk-ms-option:hover {
    background: #f0f6fc;
}

.vk-ms-option input[type="checkbox"] {
    margin: 0;
    flex: 0 0 auto;
}

.vk-ms-option input[type="checkbox"]:focus-visible {
    outline: 2px solid #2271b1;
    outline-offset: 1px;
}

.vk-ms-option-label {
    flex: 1 1 auto;
    line-height: 1.5;
    font-size: 17px;
}

/* ── Filter button ──────────────────────────────────────────────── */

.vk-filter-button,
.vk-filter-link {
    padding: 6px 20px;
    border-radius: 4px;
    background: #2271b1;
    color: #fff;
    cursor: pointer;
    white-space: nowrap;
    line-height: 1.4;
}

.vk-filter-button:hover,
.vk-filter-link:hover {
    background: #135e96;
    border-color: #135e96;
}

.vk-filter-button:focus,
.vk-filter-link:focus {
    outline: none;
    box-shadow: 0 0 0 1px #fff, 0 0 0 3px #2271b1;
}

/* ── Reset button ──────────────────────────────────────────────── */

.vk-filter-reset-button {
    padding: 6px 20px;
    border: 1px solid #757575;
    border-radius: 4px;
    background: #fff;
    color: #333;
    cursor: pointer;
    white-space: nowrap;
    line-height: 1.4;
}

.vk-filter-reset-button:hover {
    background: #f0f0f0;
    border-color: #555;
}

.vk-filter-reset-button:focus {
    outline: none;
    box-shadow: 0 0 0 1px #fff, 0 0 0 3px #757575;
}

/* ── Cascading filter states ─────────────────────────────────────── */

.vk-filter--loading {
    opacity: 0.5;
    pointer-events: none;
    position: relative;
}

.vk-filter--loading::after {
    content: '';
    position: absolute;
    top: 50%;
    right: 8px;
    width: 14px;
    height: 14px;
    margin-top: -7px;
    border: 2px solid #0073aa;
    border-top-color: transparent;
    border-radius: 50%;
    animation: vk-filter-spin 0.6s linear infinite;
}

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

.vk-filter--disabled select,
.vk-filter--disabled input {
    background: #f7f7f7;
    color: #999;
    cursor: not-allowed;
}