/* ============================================================
   Cart Modal — KidsTools
   Figma: node 30:1797 "Добавить в корзину"
   Структура:
     - scrim (затемнение фона)
     - gallery (картинка товара 668×668 + левая/правая стрелка 91×91)
     - panel (правый дравер 477w, full height)
   ============================================================ */

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

.kt-cart-modal[hidden] { display: none; }

.kt-cart-modal.is-open { pointer-events: auto; }

/* Drag handle (mobile bottom sheet) — скрыт на десктопе */
.kt-cart-modal__handle {
    display: none;
}

/* Gallery variants */
.kt-cart-modal__gallery--mobile { display: none; }

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

.kt-cart-modal.is-open .kt-cart-modal__scrim { opacity: 1; }

/* ── Gallery (центр-левая часть экрана) ── */
.kt-cart-modal__gallery {
    position: relative;
    z-index: 1;
    flex: 1 1 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-8);
    min-width: 0;
}

.kt-cart-modal__image-wrap {
    width: min(668px, 70%);
    aspect-ratio: 1 / 1;
    max-height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg);
    border-radius: var(--radius-lg);
    overflow: hidden;
    opacity: 0;
    transform: scale(0.96);
    transition:
        opacity var(--duration-slow) var(--ease-emphasized),
        transform var(--duration-slow) var(--ease-emphasized);
}

.kt-cart-modal.is-open .kt-cart-modal__image-wrap {
    opacity: 1;
    transform: scale(1);
}

.kt-cart-modal__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.kt-cart-modal__arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 56px;
    height: 56px;
    border: none;
    border-radius: 50%;
    background: var(--color-bg);
    color: var(--color-text);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: background-color var(--duration-base) var(--ease-standard);
    box-shadow: var(--shadow-md);
}

.kt-cart-modal__arrow:hover { background: var(--color-neutral-100); }
.kt-cart-modal__arrow:disabled { opacity: 0.4; cursor: not-allowed; }
.kt-cart-modal__arrow svg { width: 24px; height: 24px; }
.kt-cart-modal__arrow--prev { left: var(--space-5); }
.kt-cart-modal__arrow--next { right: var(--space-5); }

/* ── Panel (правый дравер) ── */
/* Figma: node 30:2283, 477×full, padding 40 */
.kt-cart-modal__panel {
    position: relative;
    z-index: 2;
    width: 477px;
    max-width: 100%;
    background: var(--color-bg);
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    transform: translateX(100%);
    transition: transform var(--duration-slow) var(--ease-emphasized);
}

.kt-cart-modal.is-open .kt-cart-modal__panel {
    transform: translateX(0);
}

.kt-cart-modal__panel-inner {
    padding: var(--space-8);
    display: flex;
    flex-direction: column;
    gap: 0;
    flex: 1 0 auto;
}

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

.kt-cart-modal__title {
    font-family: var(--font-sans);
    font-size: 32px;
    font-weight: var(--font-weight-extrabold);
    line-height: 1;
    letter-spacing: var(--letter-spacing-tight);
    color: var(--color-text);
    margin: 0 0 var(--space-2);
}

.kt-cart-modal__subtitle {
    font-family: var(--font-sans);
    font-size: var(--font-size-md);
    font-weight: var(--font-weight-medium);
    line-height: 1.55;
    color: var(--color-text);
    opacity: 0.5;
    margin: 0;
}

.kt-cart-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-cart-modal__close:hover { background: var(--color-neutral-100); }
.kt-cart-modal__close svg { width: 24px; height: 24px; }

/* ── Section ── */
.kt-cart-modal__section {
    padding: var(--space-7) 0;
    border-bottom: 1px solid var(--color-neutral-100);
}

.kt-cart-modal__section-title {
    font-family: var(--font-sans);
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    line-height: 1;
    letter-spacing: var(--letter-spacing-tight);
    color: var(--color-text);
    margin: 0 0 var(--space-5);
}

/* ── Color swatches (Figma: node 31:2387) ── */
.kt-color-swatches {
    display: flex;
    gap: var(--space-4);
    flex-wrap: wrap;
}

.kt-color-swatch {
    position: relative;
    width: 48px;
    height: 48px;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    padding: 0;
    transition: transform var(--duration-base) var(--ease-standard);
}

.kt-color-swatch:hover { transform: translateY(-2px); }

.kt-color-swatch::after {
    content: '';
    position: absolute;
    top: -5px;
    right: -5px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--color-primary) 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/12px no-repeat;
    transform: scale(0);
    transition: transform var(--duration-base) var(--ease-standard);
}

.kt-color-swatch.is-selected::after { transform: scale(1); }

/* ── Variant row (объём + цена + количество) ── */
.kt-variants {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.kt-variant {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: var(--space-4);
}

.kt-variant__chip {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 34px;
    padding: 0 var(--space-3-5);
    border-radius: var(--radius-md);
    background: var(--color-neutral-100);           /* default: серый */
    color: var(--color-text);
    font-family: var(--font-sans);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    letter-spacing: var(--letter-spacing-wide);
    white-space: nowrap;
    transition:
        background-color var(--duration-base) var(--ease-standard),
        color var(--duration-base) var(--ease-standard);
}

/* Активный чип = когда у варианта qty > 0 (подсвечивается primary) */
.kt-variant.is-active .kt-variant__chip {
    background: var(--color-primary);
    color: var(--color-on-primary);
}

.kt-variant__price {
    font-family: var(--font-sans);
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    color: var(--color-text);
    text-align: right;
}

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

.kt-qty__btn {
    width: 32px;
    height: 32px;
    border: none;
    background: transparent;
    color: var(--color-text);
    cursor: pointer;
    border-radius: var(--radius-md);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: background-color var(--duration-base) var(--ease-standard);
}

.kt-qty__btn:hover { background: var(--color-bg); }
.kt-qty__btn:disabled { opacity: 0.3; cursor: not-allowed; }
.kt-qty__btn svg { width: 16px; height: 16px; }

.kt-qty__input {
    width: 40px;
    text-align: center;
    border: none;
    background: transparent;
    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-qty__input::-webkit-outer-spin-button,
.kt-qty__input::-webkit-inner-spin-button { appearance: none; margin: 0; }
.kt-qty__input:focus { outline: none; }

.kt-cart-modal__hint {
    margin: var(--space-5) 0 0;
    font-family: var(--font-sans);
    font-size: var(--font-size-sm);
    color: var(--color-secondary);
    font-weight: var(--font-weight-semibold);
}

/* ── Summary ── */
.kt-summary {
    padding: var(--space-7) 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.kt-summary__row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-family: var(--font-sans);
    font-size: var(--font-size-md);
    font-weight: var(--font-weight-medium);
    color: var(--color-text);
}

.kt-summary__row--total {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-extrabold);
    padding-top: var(--space-4);
    border-top: 1px solid var(--color-neutral-100);
    letter-spacing: var(--letter-spacing-tight);
}

/* Подытог: значение — primary */
.kt-summary__row--total > span:last-child {
    color: var(--color-primary);
}

.kt-cart-modal__submit {
    margin-top: var(--space-5);
}

/* ─────────── Mobile (bottom sheet — Figma 35:3520) ─────────── */
@media (max-width: 768px) {
    .kt-cart-modal { align-items: flex-end; }

    /* Desktop gallery скрыта, mobile — показана внутри панели */
    .kt-cart-modal__gallery--desktop { display: none; }
    .kt-cart-modal__gallery--mobile {
        display: flex;
        align-items: center;
        justify-content: center;
        position: relative;
        padding: var(--space-6) 0;
    }
    .kt-cart-modal__gallery--mobile .kt-cart-modal__image-wrap {
        width: 60%;
        max-width: 240px;
        aspect-ratio: 1 / 1;
        max-height: none;
        background: transparent;
        border-radius: var(--radius-md);
        opacity: 1;
        transform: none;
    }
    .kt-cart-modal__gallery--mobile .kt-cart-modal__image {
        object-fit: contain;
        background: transparent;
    }
    .kt-cart-modal__gallery--mobile .kt-cart-modal__arrow {
        position: absolute;
        width: 48px;
        height: 48px;
        background: var(--color-bg);
        border: 1px solid var(--color-neutral-100);
        box-shadow: none;
    }
    .kt-cart-modal__gallery--mobile .kt-cart-modal__arrow--prev { left: 0; }
    .kt-cart-modal__gallery--mobile .kt-cart-modal__arrow--next { right: 0; }
    .kt-cart-modal__gallery--mobile .kt-cart-modal__arrow svg { width: 20px; height: 20px; }

    /* Panel — bottom-sheet */
    .kt-cart-modal__panel {
        width: 100%;
        max-height: 92vh;
        border-radius: 16px 16px 0 0;
        transform: translateY(100%);
    }
    .kt-cart-modal.is-open .kt-cart-modal__panel {
        transform: translateY(0);
    }
    .kt-cart-modal__panel-inner { padding: 0 var(--space-5) var(--space-5); }

    /* Drag handle */
    .kt-cart-modal__handle {
        display: block;
        width: 40px;
        height: 4px;
        margin: var(--space-3) auto var(--space-5);
        border-radius: var(--radius-pill);
        background: var(--color-neutral-300);
    }

    /* Header */
    .kt-cart-modal__title { font-size: var(--font-size-xl); }  /* 20px в 2 строки */
    .kt-cart-modal__subtitle { font-size: var(--font-size-sm); }
    .kt-cart-modal__head { padding-bottom: var(--space-4); }

    /* Секции на мобиле */
    .kt-cart-modal__section { padding: var(--space-5) 0; }
    .kt-cart-modal__section-title { font-size: var(--font-size-md); }

    /* Color swatches — немного меньше */
    .kt-color-swatch { width: 48px; height: 48px; }

    /* Variants — узкая колонка qty, чипы меньше */
    .kt-variant { gap: var(--space-2); }
    .kt-qty { height: 40px; }
    .kt-qty__btn { width: 28px; height: 28px; }
    .kt-qty__input { width: 28px; font-size: var(--font-size-sm); }

    /* Summary */
    .kt-summary { padding: var(--space-5) 0; gap: var(--space-3); }
    .kt-summary__row { font-size: var(--font-size-sm); }
    .kt-summary__row--total { font-size: var(--font-size-lg); }

    /* CTA */
    .kt-cart-modal__submit { margin-top: var(--space-4); }
}