/* =========================================================================
   Query Filter
   ========================================================================= */

.pxv-qf {
    --pxv-qf-gap: 16px;
    --pxv-qf-columns: 3;
    --pxv-qf-input-bg: #ffffff;
    --pxv-qf-input-border: #d1d5db;
    --pxv-qf-input-radius: 6px;
    --pxv-qf-input-color: #1f2937;
    --pxv-qf-accent: #3b82f6;
    --pxv-qf-btn-bg: #3b82f6;
    --pxv-qf-btn-color: #ffffff;
    --pxv-qf-input-padding: 10px 14px;
    --pxv-qf-check-size: 20px;
    --pxv-qf-align: flex-end;

    position: relative;
    width: 100%;
}

/* ── Layout Modifiers ────────────────────────────────────────── */

.pxv-qf--vertical {
    display: flex;
    flex-direction: column;
    gap: var(--pxv-qf-gap);
}

.pxv-qf--horizontal {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    align-items: var(--pxv-qf-align);
    gap: var(--pxv-qf-gap);
}

.pxv-qf--horizontal .pxv-qf__filter {
    flex: 0 1 auto;
}

.pxv-qf--grid {
    display: grid;
    grid-template-columns: repeat(var(--pxv-qf-columns), 1fr);
    align-items: var(--pxv-qf-align);
    gap: var(--pxv-qf-gap);
}

/* ── Filter Wrapper ──────────────────────────────────────────── */

.pxv-qf__filter {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

/* ── Labels ──────────────────────────────────────────────────── */

.pxv-qf__label {
    display: block;
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--pxv-qf-input-color);
    margin: 0;
}

/* ── Shared Input Styles ─────────────────────────────────────── */

.pxv-qf__input,
.pxv-qf__select {
    width: 100%;
    padding: var(--pxv-qf-input-padding);
    font-size: 0.9375rem;
    line-height: 1.4;
    color: var(--pxv-qf-input-color);
    background: var(--pxv-qf-input-bg);
    border: 1px solid var(--pxv-qf-input-border);
    border-radius: var(--pxv-qf-input-radius);
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
    box-sizing: border-box;
    -webkit-appearance: none;
    appearance: none;
}

.pxv-qf__input:focus,
.pxv-qf__select:focus {
    border-color: var(--pxv-qf-accent);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.pxv-qf__input::placeholder {
    color: #9ca3af;
}

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

.pxv-qf__select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1.5l5 5 5-5' fill='none' stroke='%236b7280' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
    cursor: pointer;
}

.pxv-qf__select[multiple] {
    background-image: none;
    padding-right: 14px;
    min-height: 80px;
}

/* ── Checkbox Group ──────────────────────────────────────────── */

.pxv-qf__checkbox-group {
    display: flex;
    flex-direction: column;
    gap: var(--pxv-qf-opt-gap, 8px);
}

.pxv-qf__checkbox-group--inline {
    flex-direction: row;
    flex-wrap: wrap;
}

.pxv-qf__checkbox {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-size: 0.9375rem;
    color: var(--pxv-qf-input-color);
}

.pxv-qf__checkbox-input {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.pxv-qf__checkbox-mark {
    display: flex;
    align-items: center;
    justify-content: center;
    width: var(--pxv-qf-check-size);
    height: var(--pxv-qf-check-size);
    flex-shrink: 0;
    border: 2px solid var(--pxv-qf-input-border);
    border-radius: 4px;
    background: var(--pxv-qf-input-bg);
    transition: background 0.15s, border-color 0.15s;
}

.pxv-qf__checkbox-input:checked + .pxv-qf__checkbox-mark {
    background: var(--pxv-qf-accent);
    border-color: var(--pxv-qf-accent);
}

.pxv-qf__checkbox-input:checked + .pxv-qf__checkbox-mark::after {
    content: "";
    display: block;
    width: 5px;
    height: 10px;
    border: solid #fff;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
    margin-bottom: 2px;
}

.pxv-qf__checkbox-input:focus-visible + .pxv-qf__checkbox-mark {
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.pxv-qf__checkbox-label {
    user-select: none;
}

/* ── Radio Group ─────────────────────────────────────────────── */

.pxv-qf__radio-group {
    display: flex;
    flex-direction: column;
    gap: var(--pxv-qf-opt-gap, 8px);
}

.pxv-qf__radio-group--inline {
    flex-direction: row;
    flex-wrap: wrap;
}

.pxv-qf__radio {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-size: 0.9375rem;
    color: var(--pxv-qf-input-color);
}

.pxv-qf__radio-input {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.pxv-qf__radio-mark {
    display: flex;
    align-items: center;
    justify-content: center;
    width: var(--pxv-qf-check-size);
    height: var(--pxv-qf-check-size);
    flex-shrink: 0;
    border: 2px solid var(--pxv-qf-input-border);
    border-radius: 50%;
    background: var(--pxv-qf-input-bg);
    transition: border-color 0.15s;
}

.pxv-qf__radio-input:checked + .pxv-qf__radio-mark {
    border-color: var(--pxv-qf-accent);
}

.pxv-qf__radio-input:checked + .pxv-qf__radio-mark::after {
    content: "";
    display: block;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--pxv-qf-accent);
}

.pxv-qf__radio-input:focus-visible + .pxv-qf__radio-mark {
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.pxv-qf__radio-label {
    user-select: none;
}

/* ── Count Badge ─────────────────────────────────────────────── */

.pxv-qf__count {
    color: #9ca3af;
    font-size: 0.8125rem;
}

/* ── Toggle Switch ───────────────────────────────────────────── */

.pxv-qf__toggle {
    display: flex;
    align-items: center;
    gap: 10px;
}

.pxv-qf__toggle-switch {
    position: relative;
    display: inline-flex;
    cursor: pointer;
}

.pxv-qf__toggle-input {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.pxv-qf__toggle-track {
    position: relative;
    width: 48px;
    height: 26px;
    background: #d1d5db;
    border-radius: 13px;
    transition: background 0.2s;
}

.pxv-qf__toggle-input:checked + .pxv-qf__toggle-track {
    background: var(--pxv-qf-accent);
}

.pxv-qf__toggle-thumb {
    position: absolute;
    top: 3px;
    left: 3px;
    width: 20px;
    height: 20px;
    background: #ffffff;
    border-radius: 50%;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
    transition: transform 0.2s;
}

.pxv-qf__toggle-input:checked + .pxv-qf__toggle-track .pxv-qf__toggle-thumb {
    transform: translateX(22px);
}

.pxv-qf__toggle-input:focus-visible + .pxv-qf__toggle-track {
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.pxv-qf__toggle-off-label,
.pxv-qf__toggle-on-label {
    font-size: 0.875rem;
    color: var(--pxv-qf-input-color);
    user-select: none;
}

/* ── Range Slider ────────────────────────────────────────────── */

.pxv-qf__range {
    padding: 8px 0;
}

.pxv-qf__range-inputs {
    position: relative;
    height: 36px;
}

.pxv-qf__range-min,
.pxv-qf__range-max {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    -webkit-appearance: none;
    appearance: none;
    background: transparent;
    pointer-events: none;
    margin: 0;
    padding: 0;
    border: none;
    outline: none;
}

.pxv-qf__range-min::-webkit-slider-thumb,
.pxv-qf__range-max::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--pxv-qf-accent);
    border: 3px solid #ffffff;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.2);
    cursor: pointer;
    pointer-events: all;
    position: relative;
    z-index: 2;
}

.pxv-qf__range-min::-moz-range-thumb,
.pxv-qf__range-max::-moz-range-thumb {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--pxv-qf-accent);
    border: 3px solid #ffffff;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.2);
    cursor: pointer;
    pointer-events: all;
}

.pxv-qf__range-min::-webkit-slider-runnable-track,
.pxv-qf__range-max::-webkit-slider-runnable-track {
    height: 6px;
    border-radius: 3px;
}

.pxv-qf__range-min::-moz-range-track,
.pxv-qf__range-max::-moz-range-track {
    height: 6px;
    border-radius: 3px;
    background: transparent;
}

.pxv-qf__range-track {
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 6px;
    transform: translateY(-50%);
    background: #e5e7eb;
    border-radius: 3px;
    pointer-events: none;
    z-index: 0;
}

.pxv-qf__range-fill {
    position: absolute;
    top: 0;
    height: 100%;
    background: var(--pxv-qf-accent);
    border-radius: 3px;
    left: 0;
    width: 100%;
}

.pxv-qf__range-values {
    display: flex;
    justify-content: space-between;
    margin-top: 4px;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--pxv-qf-input-color);
}

/* ── Date Inputs ─────────────────────────────────────────────── */

.pxv-qf__date-range {
    display: flex;
    align-items: center;
    gap: 8px;
}

.pxv-qf__date-range .pxv-qf__input {
    flex: 1;
}

.pxv-qf__date-sep {
    color: #9ca3af;
    font-size: 1.25rem;
    flex-shrink: 0;
}

/* ── Action Buttons ──────────────────────────────────────────── */

.pxv-qf__actions {
    display: flex;
    gap: 10px;
    align-items: center;
    flex-wrap: wrap;
}

.pxv-qf--grid .pxv-qf__actions {
    grid-column: 1 / -1;
}

.pxv-qf__submit,
.pxv-qf__reset {
    padding: 10px 24px;
    font-size: 0.9375rem;
    font-weight: 600;
    border: none;
    border-radius: var(--pxv-qf-input-radius);
    cursor: pointer;
    transition: opacity 0.2s, transform 0.1s;
    line-height: 1.4;
}

.pxv-qf__submit {
    background: var(--pxv-qf-btn-bg);
    color: var(--pxv-qf-btn-color);
}

.pxv-qf__submit:hover {
    opacity: 0.9;
}

.pxv-qf__submit:active {
    transform: scale(0.98);
}

.pxv-qf__reset {
    background: transparent;
    color: var(--pxv-qf-input-color);
    border: 1px solid var(--pxv-qf-input-border);
}

.pxv-qf__reset:hover {
    background: #f3f4f6;
}

/* ── Loading Spinner ─────────────────────────────────────────── */

.pxv-qf__loading {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.5);
    border-radius: var(--pxv-qf-input-radius);
    z-index: 10;
}

.pxv-qf__loading[hidden] {
    display: none;
}

.pxv-qf__spinner {
    width: 28px;
    height: 28px;
    border: 3px solid #e5e7eb;
    border-top-color: var(--pxv-qf-accent);
    border-radius: 50%;
    animation: pxv-qf-spin 0.6s linear infinite;
}

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

/* ── Empty State ─────────────────────────────────────────────── */

.pxv-qf__empty {
    color: #9ca3af;
    font-size: 0.875rem;
    font-style: italic;
}

/* ── No Results (injected by JS into target container) ──────── */

.pxv-qf__no-results {
    padding: 24px 16px;
    text-align: center;
    color: #9ca3af;
    font-size: 0.9375rem;
    font-style: italic;
    grid-column: 1 / -1;
    width: 100%;
}

/* ── Builder Info ────────────────────────────────────────────── */

.pxv-qf__builder-info {
    background: #eff6ff;
    border: 1px solid #bfdbfe;
    border-radius: 6px;
    padding: 10px 14px;
    font-size: 0.8125rem;
    color: #1e40af;
    line-height: 1.5;
}

.pxv-qf--grid .pxv-qf__builder-info {
    grid-column: 1 / -1;
}

/* ── Mobile Responsive ───────────────────────────────────────── */

@media (max-width: 768px) {
    .pxv-qf--horizontal {
        flex-direction: column;
    }

    .pxv-qf--horizontal .pxv-qf__filter {
        flex: 1 1 100%;
    }

    .pxv-qf--grid {
        grid-template-columns: 1fr;
    }

    .pxv-qf__actions {
        flex-direction: column;
    }

    .pxv-qf__submit,
    .pxv-qf__reset {
        width: 100%;
        text-align: center;
    }
}