/* ============================================================
   Filter Modal — KidsTools
   Figma: node 39:4581 (desktop drawer) + 46:1376 (mobile bottom sheet)
   ============================================================ */

.kt-filter-modal {
    position: fixed;
    inset: 0;
    z-index: var(--z-modal);
    display: flex;
    justify-content: flex-end;
    pointer-events: none;
}

.kt-filter-modal[hidden] { display: none; }
.kt-filter-modal.is-open { pointer-events: auto; }

/* Scrim */
.kt-filter-modal__scrim {
    position: absolute;
    inset: 0;
    background: rgba(17, 17, 17, 0.5);
    opacity: 0;
    transition: opacity var(--duration-base) var(--ease-standard);
}
.kt-filter-modal.is-open .kt-filter-modal__scrim { opacity: 1; }

/* Panel */
.kt-filter-modal__panel {
    position: relative;
    width: 425px;
    max-width: 100%;
    background: var(--color-bg);
    display: flex;
    flex-direction: column;
    overflow-x: hidden;         /* не даём внутренним элементам создавать горизонтальный скролл */
    overflow-y: auto;
    transform: translateX(100%);
    transition: transform var(--duration-slow) var(--ease-emphasized);
    z-index: 1;
}

.kt-filter-modal__inner,
.kt-filter-modal__section {
    min-width: 0;               /* flex-дети могут ужиматься вместо распирания */
}
.kt-filter-modal.is-open .kt-filter-modal__panel { transform: translateX(0); }

.kt-filter-modal__inner {
    display: flex;
    flex-direction: column;
    flex: 1 0 auto;
}

/* Drag handle (mobile only) */
.kt-filter-modal__handle { display: none; }

/* ── Header ── */
.kt-filter-modal__head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    padding: var(--space-7) var(--space-7) var(--space-5);
    border-bottom: 1px solid var(--color-neutral-100);
}

.kt-filter-modal__title {
    font-family: var(--font-sans);
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-extrabold);
    line-height: 1;
    letter-spacing: var(--letter-spacing-tight);
    color: var(--color-text);
    margin: 0;
    flex: 1 1 auto;
}

.kt-filter-modal__reset {
    font-family: var(--font-sans);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    letter-spacing: var(--letter-spacing-wide);
    color: var(--color-primary);
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-md);
    transition: background-color var(--duration-base) var(--ease-standard);
}
.kt-filter-modal__reset:hover { background: var(--color-neutral-50); }

.kt-filter-modal__close {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    border: none;
    background: transparent;
    color: var(--color-text);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    transition: background-color var(--duration-base) var(--ease-standard);
}
.kt-filter-modal__close:hover { background: var(--color-neutral-100); }
.kt-filter-modal__close svg { width: 24px; height: 24px; }

/* ── Sections ── */
.kt-filter-modal__section {
    padding: var(--space-6) var(--space-7);
    border-bottom: 1px solid var(--color-neutral-100);
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}
.kt-filter-modal__section:last-of-type { border-bottom: none; }

.kt-filter-modal__section-title {
    font-family: var(--font-sans);
    font-size: var(--font-size-md);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text);
    opacity: 0.5;
    margin: 0;
    line-height: 1;
}

/* ── Options list (checkboxes) ── */
.kt-filter-modal__options {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    list-style: none;
    padding: 0;
    margin: 0;
}

.kt-filter-modal__option {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
    cursor: pointer;
    user-select: none;
}

.kt-filter-modal__option-label {
    font-family: var(--font-sans);
    font-size: var(--font-size-md);
    font-weight: var(--font-weight-semibold);
    letter-spacing: var(--letter-spacing-wide);
    color: var(--color-text);
    line-height: 1.4;
}

/* Checkbox (visually — square, primary when checked) */
.kt-filter-modal__checkbox {
    appearance: none;
    -webkit-appearance: none;
    width: 22px;
    height: 22px;
    flex-shrink: 0;
    border: 1.5px solid var(--color-neutral-300);
    border-radius: var(--radius-sm);
    background: var(--color-bg);
    cursor: pointer;
    position: relative;
    transition:
        background-color var(--duration-base) var(--ease-standard),
        border-color var(--duration-base) var(--ease-standard);
}

.kt-filter-modal__checkbox:checked {
    background: var(--color-primary);
    border-color: var(--color-primary);
}

.kt-filter-modal__checkbox:checked::after {
    content: '';
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'><path d='M5 13l4 4L19 7'/></svg>") center/14px no-repeat;
}

.kt-filter-modal__checkbox:focus-visible { box-shadow: var(--shadow-focus); outline: none; }

/* "Показать ещё X" link */
.kt-filter-modal__more {
    align-self: flex-start;
    font-family: var(--font-sans);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    letter-spacing: var(--letter-spacing-wide);
    color: var(--color-primary);
    text-decoration: none;
    background: none;
    border: none;
    padding: 0;
    cursor: pointer;
}
.kt-filter-modal__more:hover { text-decoration: underline; }

/* ── Price range ── */
.kt-range {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.kt-range__inputs {
    display: flex;
    gap: var(--space-3);
    align-items: center;
}

.kt-range__field {
    flex: 1 1 0;
    min-width: 0;
    display: flex;
    align-items: center;
    gap: var(--space-2);
    height: 44px;
    padding: 0 var(--space-4);
    background: var(--color-neutral-100);
    border-radius: var(--radius-md);
}

.kt-range__field-label {
    font-family: var(--font-sans);
    font-size: var(--font-size-sm);
    color: var(--color-text);
    opacity: 0.5;
    font-weight: var(--font-weight-semibold);
}

.kt-range__field input {
    flex: 1;
    min-width: 0;
    background: transparent;
    border: none;
    outline: none;
    font-family: var(--font-sans);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-bold);
    color: var(--color-text);
    -moz-appearance: textfield;
}
.kt-range__field input::-webkit-outer-spin-button,
.kt-range__field input::-webkit-inner-spin-button { appearance: none; margin: 0; }

.kt-range__separator {
    color: var(--color-text);
    opacity: 0.5;
    font-weight: var(--font-weight-semibold);
}

/* Dual-thumb slider */
.kt-range__slider {
    position: relative;
    height: 24px;
    margin: 0 10px;
}
.kt-range__track {
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 4px;
    transform: translateY(-50%);
    background: var(--color-neutral-200);
    border-radius: var(--radius-pill);
}
.kt-range__fill {
    position: absolute;
    top: 50%;
    height: 4px;
    transform: translateY(-50%);
    background: var(--color-primary);
    border-radius: var(--radius-pill);
}
.kt-range__thumb {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    pointer-events: none;
    background: none;
    appearance: none;
    -webkit-appearance: none;
    outline: none;
    margin: 0;
}
.kt-range__thumb::-webkit-slider-thumb {
    appearance: none;
    -webkit-appearance: none;
    pointer-events: auto;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--color-primary);
    border: 3px solid var(--color-bg);
    box-shadow: 0 2px 6px rgba(192, 133, 82, 0.4);
    cursor: grab;
}
.kt-range__thumb::-moz-range-thumb {
    pointer-events: auto;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--color-primary);
    border: 3px solid var(--color-bg);
    box-shadow: 0 2px 6px rgba(192, 133, 82, 0.4);
    cursor: grab;
}
.kt-range__thumb::-webkit-slider-runnable-track { background: transparent; border: none; }
.kt-range__thumb::-moz-range-track { background: transparent; border: none; }

.kt-range__minmax {
    display: flex;
    justify-content: space-between;
    font-family: var(--font-sans);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text);
    opacity: 0.5;
}

/* ── Footer: result count + CTA ── */
.kt-filter-modal__foot {
    margin-top: auto;
    padding: var(--space-5) var(--space-7) var(--space-7);
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    border-top: 1px solid var(--color-neutral-100);
    background: var(--color-bg);
    position: sticky;
    bottom: 0;
}

.kt-filter-modal__result {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: var(--font-sans);
    font-size: var(--font-size-md);
    font-weight: var(--font-weight-semibold);
}

.kt-filter-modal__result-label {
    color: var(--color-text);
    opacity: 0.5;
}

/* ─────────── Mobile (Figma 46:1376) ─────────── */
@media (max-width: 768px) {
    .kt-filter-modal { align-items: flex-end; }

    .kt-filter-modal__panel {
        width: 100%;
        max-height: 92vh;
        border-radius: 16px 16px 0 0;
        transform: translateY(100%);
    }
    .kt-filter-modal.is-open .kt-filter-modal__panel { transform: translateY(0); }

    .kt-filter-modal__handle {
        display: block;
        width: 40px;
        height: 4px;
        margin: var(--space-3) auto 0;
        border-radius: var(--radius-pill);
        background: var(--color-neutral-300);
        flex-shrink: 0;
    }

    /* На мобиле × заменяется текстом "Сбросить" (как в Figma) */
    .kt-filter-modal__close { display: none; }

    .kt-filter-modal__head {
        padding: var(--space-5) var(--space-5) var(--space-4);
    }
    .kt-filter-modal__title { font-size: var(--font-size-xl); }

    .kt-filter-modal__section { padding: var(--space-5); }

    .kt-filter-modal__foot {
        padding: var(--space-4) var(--space-5) var(--space-5);
    }

    /* На мобиле блок "Найдено — X товаров" скрыт (не показан в макете строкой), */
    /* либо — показывается на строке с CTA */
    .kt-filter-modal__result {
        font-size: var(--font-size-sm);
    }
}