/* ══════════════════════════════════════════════════════════════════
   Storefront design system — base (mobile-first, тема-агностична).
   Разметка использует семантические классы .sf-*; тема = набор
   CSS-переменных + декоративный оверрайд в {theme}.css. Брендинг
   бизнеса (акцент/шрифт) инлайнится в :root из _StorefrontLayout.
   ────────────────────────────────────────────────────────────────
   Оси кастомизации:
     • тема   — classic | minimal | bold  (цвет/декор)
     • сетка  — cozy | standard | compact | list  (форма каталога)
   ══════════════════════════════════════════════════════════════════ */

:root {
    /* Брендинг (перекрывается инлайном из layout) */
    --sf-accent:        #4F46E5;
    --sf-accent-ink:    #ffffff;   /* текст на акценте */
    --sf-accent-soft:   color-mix(in srgb, var(--sf-accent) 12%, #ffffff);

    /* Палитра (перекрывается темой) */
    --sf-bg:            #ffffff;
    --sf-surface:       #ffffff;
    --sf-surface-2:     #f6f7f9;
    --sf-text:          #14161a;
    --sf-muted:         #6b7280;
    --sf-line:          #e8eaee;
    --sf-line-strong:   #d7dae0;

    /* Форма/типографика (перекрывается темой) */
    --sf-font:          'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
    --sf-radius:        16px;
    --sf-radius-sm:     10px;
    --sf-radius-lg:     24px;
    --sf-shadow:        0 1px 2px rgba(16,20,30,.04), 0 8px 24px -12px rgba(16,20,30,.14);
    --sf-shadow-lg:     0 20px 60px -24px rgba(16,20,30,.35);
    --sf-header-bg:     rgba(255,255,255,.82);
    --sf-header-ink:    var(--sf-text);
    --sf-hero-ink:      #ffffff;

    /* Метрики */
    --sf-maxw:          1200px;
    --sf-gap:           clamp(12px, 2.4vw, 22px);
    --sf-pad-x:         clamp(16px, 4vw, 32px);
    --sf-header-h:      60px;

    /* Семантика */
    --sf-sale:          #e11d48;
    --sf-ok:            #059669;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body.sf-page {
    margin: 0;
    font-family: var(--sf-font);
    color: var(--sf-text);
    background: var(--sf-bg);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
    overflow-wrap: break-word;
}

.sf-page img { max-width: 100%; display: block; }
.sf-page a { color: inherit; text-decoration: none; }
.sf-page button { font: inherit; cursor: pointer; }

.sf-container {
    width: 100%;
    max-width: var(--sf-maxw);
    margin-inline: auto;
    padding-inline: var(--sf-pad-x);
}

/* ── Header ─────────────────────────────────────────────────────── */
.sf-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: var(--sf-header-bg);
    -webkit-backdrop-filter: saturate(180%) blur(14px);
    backdrop-filter: saturate(180%) blur(14px);
    border-bottom: 1px solid var(--sf-line);
    color: var(--sf-header-ink);
}
.sf-header__inner {
    display: flex;
    align-items: center;
    gap: 14px;
    min-height: var(--sf-header-h);
    padding-block: 8px;
}
.sf-logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 17px;
    letter-spacing: -.01em;
    margin-right: auto;
    min-width: 0;
}
.sf-logo img { height: 32px; width: auto; border-radius: 8px; }
.sf-logo span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.sf-nav { display: flex; align-items: center; gap: 4px; }
.sf-nav__link {
    padding: 8px 12px;
    border-radius: var(--sf-radius-sm);
    color: var(--sf-muted);
    font-size: 14px;
    font-weight: 500;
    transition: background .15s, color .15s;
}
.sf-nav__link:hover { background: var(--sf-surface-2); color: var(--sf-text); }

.sf-header__actions { display: flex; align-items: center; gap: 6px; }

.sf-icon-btn {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px; height: 42px;
    border-radius: 999px;
    border: 1px solid var(--sf-line);
    background: var(--sf-surface);
    color: var(--sf-text);
    font-size: 20px;
    transition: border-color .15s, transform .05s;
}
.sf-icon-btn:hover { border-color: var(--sf-line-strong); }
.sf-icon-btn:active { transform: scale(.94); }
.sf-cart__count {
    position: absolute;
    top: -4px; right: -4px;
    min-width: 18px; height: 18px;
    padding: 0 5px;
    border-radius: 999px;
    background: var(--sf-accent);
    color: var(--sf-accent-ink);
    font-size: 11px;
    font-weight: 700;
    display: none;
    align-items: center;
    justify-content: center;
    line-height: 18px;
}
.sf-cart__count.is-visible { display: inline-flex; }

/* Бургер — только мобайл */
.sf-burger { display: none; }

/* ── Hero ───────────────────────────────────────────────────────── */
.sf-hero {
    position: relative;
    overflow: hidden;
    color: var(--sf-hero-ink);
    background: var(--sf-accent); /* фолбэк, если color-mix не поддержан */
    background:
        radial-gradient(120% 120% at 100% 0%, color-mix(in srgb, var(--sf-accent) 82%, #000) 0%, transparent 55%),
        linear-gradient(135deg, var(--sf-accent) 0%, color-mix(in srgb, var(--sf-accent) 60%, #101018) 100%);
}
.sf-hero__inner {
    position: relative;
    z-index: 2;
    padding-block: clamp(28px, 6vw, 64px);
    display: grid;
    gap: 18px;
    max-width: 720px;
}
/* Hero c картинкой: фото + тёмный scrim, текст всегда белый и читаемый */
.sf-hero--image { color: #fff; }
.sf-hero__bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: 0; }
.sf-hero__scrim { position: absolute; inset: 0; z-index: 1; background: linear-gradient(180deg, rgba(10,12,18,.35) 0%, rgba(10,12,18,.72) 100%); }
.sf-hero--image .sf-hero__title, .sf-hero--image .sf-hero__lead, .sf-hero--image .sf-hero__meta, .sf-hero--image .sf-hero__eyebrow { color: #fff; }
.sf-hero--image .sf-btn--hero { --_bg: #fff; --_fg: #14161a; }
.sf-hero--image .sf-btn--ghost { --_fg: #fff; border-color: rgba(255,255,255,.55); }
.sf-hero__eyebrow { font-size: 13px; opacity: .82; font-weight: 500; }
.sf-hero__title {
    margin: 0;
    font-size: clamp(28px, 6vw, 48px);
    line-height: 1.05;
    letter-spacing: -.02em;
    font-weight: 800;
}
.sf-hero__lead { margin: 0; font-size: clamp(15px, 2.6vw, 18px); opacity: .92; max-width: 56ch; }
.sf-hero__meta { display: flex; flex-wrap: wrap; gap: 8px 18px; font-size: 14px; opacity: .95; }
.sf-hero__meta span, .sf-hero__meta a { display: inline-flex; align-items: center; gap: 6px; }
.sf-hero__actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 4px; }

/* ── Buttons ────────────────────────────────────────────────────── */
.sf-btn {
    --_bg: var(--sf-surface);
    --_fg: var(--sf-text);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 44px;
    padding: 0 18px;
    border-radius: var(--sf-radius-sm);
    border: 1px solid transparent;
    background: var(--_bg);
    color: var(--_fg);
    font-weight: 600;
    font-size: 15px;
    line-height: 1;
    transition: transform .05s, filter .15s, background .15s, border-color .15s;
    white-space: nowrap;
}
.sf-btn:active { transform: translateY(1px); }
.sf-btn--primary { --_bg: var(--sf-accent); --_fg: var(--sf-accent-ink); }
.sf-btn--primary:hover { filter: brightness(1.06); }
.sf-btn--light { --_bg: #fff; --_fg: #14161a; }
/* Кнопка на hero: по умолчанию светлая (hero цветной). Тема со светлым hero
   (minimal) переопределяет на тёмную, чтобы не было «белым по белому». */
.sf-btn--hero { --_bg: #fff; --_fg: #14161a; }
.sf-btn--hero:hover { filter: brightness(.97); }
.sf-btn--ghost {
    --_bg: transparent; --_fg: currentColor;
    border-color: color-mix(in srgb, currentColor 30%, transparent);
}
.sf-btn--ghost:hover { background: color-mix(in srgb, currentColor 8%, transparent); }
.sf-btn--outline { --_bg: var(--sf-surface); --_fg: var(--sf-text); border-color: var(--sf-line-strong); }
.sf-btn--outline:hover { border-color: var(--sf-text); }
.sf-btn--block { width: 100%; }
.sf-btn--lg { min-height: 52px; font-size: 16px; padding-inline: 24px; }
.sf-btn[disabled] { opacity: .5; pointer-events: none; }
/* Кнопки-ссылки: .sf-page a{color:inherit} перебивал .sf-btn по специфичности
   → текст наследовал цвет hero (белый) и получалось «белым по белому». */
a.sf-btn { color: var(--_fg); }

/* ── Category chips ─────────────────────────────────────────────── */
.sf-catbar {
    position: sticky;
    top: var(--sf-header-h);
    z-index: 40;
    background: var(--sf-bg);
    border-bottom: 1px solid var(--sf-line);
}
.sf-catbar__scroll {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    padding-block: 12px;
    scrollbar-width: none;
    -ms-overflow-style: none;
    scroll-snap-type: x proximity;
}
.sf-catbar__scroll::-webkit-scrollbar { display: none; }
.sf-chip {
    flex: 0 0 auto;
    padding: 9px 15px;
    border-radius: 999px;
    border: 1px solid var(--sf-line);
    background: var(--sf-surface);
    color: var(--sf-muted);
    font-size: 14px;
    font-weight: 500;
    scroll-snap-align: start;
    transition: all .15s;
}
.sf-chip:hover { border-color: var(--sf-line-strong); color: var(--sf-text); }
.sf-chip.is-active {
    background: var(--sf-text);
    color: var(--sf-bg);
    border-color: var(--sf-text);
}

/* ── Sections ───────────────────────────────────────────────────── */
.sf-section { padding-block: clamp(28px, 5vw, 52px); }
.sf-section--alt { background: var(--sf-surface-2); }
.sf-section__head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: clamp(16px, 3vw, 28px);
}
.sf-section__title {
    margin: 0;
    font-size: clamp(21px, 3.6vw, 30px);
    font-weight: 800;
    letter-spacing: -.02em;
}
.sf-section__sub { color: var(--sf-muted); font-size: 14px; }

.sf-toolbar { display: flex; gap: 10px; align-items: center; margin-bottom: 18px; flex-wrap: wrap; }
.sf-search {
    display: flex; align-items: center; gap: 8px;
    flex: 1 1 240px;
    min-height: 44px;
    padding: 0 14px;
    border-radius: var(--sf-radius-sm);
    border: 1px solid var(--sf-line);
    background: var(--sf-surface);
    color: var(--sf-muted);
}
.sf-search input { flex: 1; border: 0; background: transparent; outline: none; color: var(--sf-text); font-size: 15px; min-width: 0; }

/* ── Product grid ───────────────────────────────────────────────── */
.sf-grid {
    display: grid;
    gap: var(--sf-gap);
    grid-template-columns: repeat(2, 1fr);
}
@media (min-width: 640px) { .sf-grid { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 960px) { .sf-grid { grid-template-columns: repeat(4, 1fr); } }

/* Варианты сетки (перекрывают дефолт) */
.sf-grid--cozy { grid-template-columns: repeat(1, 1fr); }
@media (min-width: 560px) { .sf-grid--cozy { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 960px) { .sf-grid--cozy { grid-template-columns: repeat(3, 1fr); } }

.sf-grid--standard { grid-template-columns: repeat(2, 1fr); }
@media (min-width: 640px) { .sf-grid--standard { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 960px) { .sf-grid--standard { grid-template-columns: repeat(4, 1fr); } }

.sf-grid--compact { grid-template-columns: repeat(2, 1fr); }
@media (min-width: 520px) { .sf-grid--compact { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 760px) { .sf-grid--compact { grid-template-columns: repeat(4, 1fr); } }
@media (min-width: 1040px){ .sf-grid--compact { grid-template-columns: repeat(6, 1fr); } }

.sf-grid--list { grid-template-columns: 1fr; gap: 10px; }

/* ── Rail (горизонтальная подборка) ─────────────────────────────── */
.sf-rail { margin-bottom: clamp(20px, 4vw, 36px); }
.sf-rail:last-child { margin-bottom: 0; }
.sf-rail__scroll {
    display: flex;
    gap: var(--sf-gap);
    overflow-x: auto;
    padding-bottom: 4px;
    scroll-snap-type: x proximity;
    scrollbar-width: none;
    -ms-overflow-style: none;
}
.sf-rail__scroll::-webkit-scrollbar { display: none; }
.sf-rail__scroll > * {
    flex: 0 0 auto;
    width: clamp(158px, 44vw, 216px);
    scroll-snap-align: start;
}

/* ── Product card ───────────────────────────────────────────────── */
.sf-card {
    position: relative;
    display: flex;
    flex-direction: column;
    background: var(--sf-surface);
    border: 1px solid var(--sf-line);
    border-radius: var(--sf-radius);
    overflow: hidden;
    transition: transform .18s cubic-bezier(.2,.7,.3,1), box-shadow .18s, border-color .18s;
}
.sf-card:hover { transform: translateY(-3px); box-shadow: var(--sf-shadow); border-color: var(--sf-line-strong); }
.sf-card__media {
    position: relative;
    aspect-ratio: 1 / 1;
    background: var(--sf-surface-2);
    overflow: hidden;
}
.sf-card__img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.sf-card:hover .sf-card__img { transform: scale(1.04); }
.sf-card__media--empty { display: grid; place-items: center; color: color-mix(in srgb, var(--sf-accent) 40%, var(--sf-muted)); font-size: 40px; }
.sf-card__body { display: flex; flex-direction: column; gap: 6px; padding: 12px 12px 14px; flex: 1; }
.sf-card__name {
    font-size: 14px; font-weight: 500; line-height: 1.35;
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.sf-card__cat { font-size: 12px; color: var(--sf-muted); }
.sf-card__foot { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-top: auto; padding-top: 6px; }

.sf-price { display: flex; align-items: baseline; gap: 7px; flex-wrap: wrap; }
.sf-price__now { font-size: 17px; font-weight: 700; letter-spacing: -.01em; }
.sf-price__old { font-size: 13px; color: var(--sf-muted); text-decoration: line-through; }

.sf-badge {
    position: absolute; top: 10px; left: 10px;
    padding: 3px 8px; border-radius: 999px;
    font-size: 12px; font-weight: 700;
    background: var(--sf-sale); color: #fff;
    z-index: 2;
}
.sf-badge--muted { background: rgba(20,22,26,.72); }
.sf-badge--mark { left: auto; right: 10px; background: var(--sf-ok); }

.sf-add {
    display: inline-flex; align-items: center; justify-content: center;
    width: 40px; height: 40px; flex: 0 0 auto;
    border-radius: 12px;
    background: var(--sf-accent); color: var(--sf-accent-ink);
    font-size: 19px; border: 0;
    transition: filter .15s, transform .05s;
}
/* Карточки варианта/услуги используют <a class="sf-add"> — правило
   .sf-page a {color:inherit} перебивало белый; поднимаем специфичность. */
a.sf-add, a.sf-add:hover { color: var(--sf-accent-ink); text-decoration: none; }
.sf-add:hover { filter: brightness(1.07); }
.sf-add:active { transform: scale(.92); }
.sf-add.is-added { background: var(--sf-ok); }

.sf-stock { font-size: 12px; }
.sf-stock--out { color: var(--sf-sale); }
.sf-stock--in { color: var(--sf-ok); }

/* List-вариант карточки — горизонтальный */
.sf-grid--list .sf-card { flex-direction: row; align-items: stretch; }
.sf-grid--list .sf-card__media { width: clamp(96px, 26vw, 160px); aspect-ratio: 1/1; flex: 0 0 auto; }
.sf-grid--list .sf-card__body { padding: 12px 14px; }
.sf-grid--list .sf-card__name { -webkit-line-clamp: 3; font-size: 15px; }

/* ── Load more / empty ──────────────────────────────────────────── */
.sf-more { display: flex; justify-content: center; margin-top: clamp(20px, 4vw, 34px); }
.sf-empty { text-align: center; color: var(--sf-muted); padding: clamp(32px, 8vw, 60px) 0; }
.sf-skel { background: linear-gradient(100deg, var(--sf-surface-2) 30%, color-mix(in srgb, var(--sf-surface-2) 60%, #fff) 50%, var(--sf-surface-2) 70%); background-size: 200% 100%; animation: sf-shimmer 1.2s infinite; }
@keyframes sf-shimmer { to { background-position: -200% 0; } }

/* ── Product detail page ────────────────────────────────────────── */
.sf-product { display: grid; gap: clamp(20px, 4vw, 44px); padding-block: clamp(20px, 4vw, 40px); }
@media (min-width: 900px) { .sf-product { grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); align-items: start; } }

.sf-crumbs { font-size: 13px; color: var(--sf-muted); margin-bottom: 4px; display: flex; gap: 6px; flex-wrap: wrap; }
.sf-crumbs a:hover { color: var(--sf-text); }

.sf-gallery { display: grid; gap: 12px; position: sticky; top: calc(var(--sf-header-h) + 14px); }
@media (max-width: 899px) { .sf-gallery { position: static; } }
.sf-gallery__main {
    position: relative;
    aspect-ratio: 1 / 1;
    border-radius: var(--sf-radius-lg);
    overflow: hidden;
    background: var(--sf-surface-2);
    border: 1px solid var(--sf-line);
}
.sf-gallery__main img { width: 100%; height: 100%; object-fit: cover; cursor: zoom-in; }
.sf-gallery__thumbs { display: flex; gap: 10px; overflow-x: auto; scrollbar-width: none; padding-bottom: 2px; }
.sf-gallery__thumbs::-webkit-scrollbar { display: none; }
.sf-thumb {
    flex: 0 0 auto;
    width: 68px; height: 68px;
    border-radius: 12px; overflow: hidden;
    border: 2px solid transparent;
    background: var(--sf-surface-2);
    transition: border-color .15s;
}
.sf-thumb img { width: 100%; height: 100%; object-fit: cover; }
.sf-thumb.is-active { border-color: var(--sf-accent); }

.sf-product__info { display: flex; flex-direction: column; gap: 18px; }
.sf-product__title { margin: 0; font-size: clamp(22px, 4vw, 34px); font-weight: 800; letter-spacing: -.02em; line-height: 1.12; }
.sf-product__price { display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; }
.sf-product__price .sf-price__now { font-size: clamp(24px, 4vw, 30px); }
.sf-product__price .sf-price__old { font-size: 16px; }
.sf-pill {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 4px 10px; border-radius: 999px; font-size: 12px; font-weight: 600;
    background: var(--sf-surface-2); color: var(--sf-muted);
}
.sf-pill--sale { background: color-mix(in srgb, var(--sf-sale) 12%, #fff); color: var(--sf-sale); }
.sf-meta-row { display: flex; flex-wrap: wrap; gap: 8px; }

.sf-desc { color: color-mix(in srgb, var(--sf-text) 82%, var(--sf-muted)); font-size: 15px; line-height: 1.65; white-space: pre-line; }
.sf-desc h3, .sf-block__title { font-size: 16px; font-weight: 700; margin: 0 0 10px; }
.sf-block { border-top: 1px solid var(--sf-line); padding-top: 18px; }

/* Variant selectors */
.sf-variants { display: flex; flex-direction: column; gap: 16px; }
.sf-variant-group { display: flex; flex-direction: column; gap: 8px; }
.sf-variant-group__label { font-size: 13px; font-weight: 600; color: var(--sf-muted); }
.sf-variant-group__label b { color: var(--sf-text); font-weight: 700; }
.sf-opts { display: flex; flex-wrap: wrap; gap: 8px; }
.sf-opt {
    min-height: 40px; padding: 0 14px;
    border-radius: 10px;
    border: 1.5px solid var(--sf-line-strong);
    background: var(--sf-surface);
    color: var(--sf-text);
    font-size: 14px; font-weight: 500;
    transition: border-color .12s, background .12s;
}
.sf-opt:hover { border-color: var(--sf-text); }
.sf-opt.is-active { border-color: var(--sf-accent); background: var(--sf-accent-soft); color: color-mix(in srgb, var(--sf-accent) 75%, #000); }
.sf-opt[disabled] { opacity: .4; text-decoration: line-through; pointer-events: none; }

.sf-buybar { display: flex; gap: 12px; align-items: stretch; }
.sf-qty {
    display: inline-flex; align-items: center;
    border: 1px solid var(--sf-line-strong); border-radius: var(--sf-radius-sm);
    overflow: hidden;
}
.sf-qty button { width: 44px; height: 44px; background: var(--sf-surface); border: 0; font-size: 20px; color: var(--sf-text); }
.sf-qty button:hover { background: var(--sf-surface-2); }
.sf-qty input { width: 44px; height: 44px; text-align: center; border: 0; border-inline: 1px solid var(--sf-line); background: var(--sf-surface); color: var(--sf-text); font-size: 15px; font-weight: 600; }

/* ── Cart / Checkout ────────────────────────────────────────────── */
.sf-page-head { padding-block: clamp(20px, 4vw, 34px) 0; }
.sf-page-title { margin: 0; font-size: clamp(22px, 4vw, 32px); font-weight: 800; letter-spacing: -.02em; }

.sf-cartlines { display: flex; flex-direction: column; gap: 4px; }
.sf-cartline {
    display: grid;
    grid-template-columns: 64px 1fr auto auto auto;
    align-items: center;
    gap: 14px;
    padding: 14px 4px;
    border-bottom: 1px solid var(--sf-line);
}
.sf-cartline__img { width: 64px; height: 64px; border-radius: var(--sf-radius-sm); object-fit: cover; background: var(--sf-surface-2); }
.sf-cartline__name { font-size: 14px; font-weight: 500; line-height: 1.3; }
.sf-cartline__var { font-size: 12px; color: var(--sf-muted); margin-top: 2px; }
.sf-cartline__price { font-size: 13px; color: var(--sf-muted); margin-top: 2px; }
.sf-cartline__sum { font-weight: 700; font-size: 15px; white-space: nowrap; }
.sf-cartline__rm { width: 34px; height: 34px; border-radius: 999px; border: 0; background: transparent; color: var(--sf-muted); font-size: 18px; }
.sf-cartline__rm:hover { background: var(--sf-surface-2); color: var(--sf-sale); }
.sf-cartfoot { margin-top: 22px; display: grid; gap: 14px; max-width: 380px; margin-left: auto; }
.sf-cartfoot__total { display: flex; align-items: baseline; justify-content: space-between; font-size: 18px; }
.sf-cartfoot__total b { font-size: 24px; font-weight: 800; }

.sf-checkout { display: grid; gap: clamp(20px, 4vw, 40px); padding-block: clamp(20px, 4vw, 34px); align-items: start; }
@media (min-width: 860px) { .sf-checkout { grid-template-columns: 1fr minmax(300px, 400px); } }
.sf-panel { background: var(--sf-surface); border: 1px solid var(--sf-line); border-radius: var(--sf-radius); padding: clamp(16px, 3vw, 24px); }
.sf-panel + .sf-panel { margin-top: 16px; }
.sf-panel__title { font-size: 15px; font-weight: 700; margin: 0 0 14px; }
.sf-field { display: block; margin-bottom: 14px; }
.sf-field:last-child { margin-bottom: 0; }
.sf-field > span { display: block; font-size: 13px; color: var(--sf-muted); margin-bottom: 6px; }
.sf-input, .sf-textarea {
    width: 100%; min-height: 46px; padding: 11px 14px;
    border: 1px solid var(--sf-line-strong); border-radius: var(--sf-radius-sm);
    background: var(--sf-surface); color: var(--sf-text); font: inherit; font-size: 15px;
}
.sf-textarea { min-height: 84px; resize: vertical; }
.sf-input:focus, .sf-textarea:focus { outline: none; border-color: var(--sf-accent); }
.sf-radios { display: grid; gap: 10px; }
.sf-radio {
    display: flex; align-items: center; gap: 10px;
    padding: 13px 14px; border: 1.5px solid var(--sf-line-strong);
    border-radius: var(--sf-radius-sm); cursor: pointer; font-size: 14px;
}
.sf-radio:has(input:checked) { border-color: var(--sf-accent); background: var(--sf-accent-soft); }
.sf-radio input { accent-color: var(--sf-accent); width: 18px; height: 18px; }
.sf-aside { position: sticky; top: calc(var(--sf-header-h) + 14px); }
.sf-sumline { display: grid; grid-template-columns: 48px 1fr auto; gap: 12px; align-items: center; padding: 10px 0; border-bottom: 1px solid var(--sf-line); }
.sf-sumline__img { width: 48px; height: 48px; border-radius: 8px; object-fit: cover; background: var(--sf-surface-2); }
.sf-sumline__name { font-size: 13px; font-weight: 500; line-height: 1.3; }
.sf-sumline__sum { font-weight: 700; font-size: 14px; white-space: nowrap; }
.sf-note { margin-top: 12px; padding: 12px 14px; border-radius: var(--sf-radius-sm); font-size: 14px; background: var(--sf-surface-2); color: var(--sf-text); }
.sf-note--err { background: color-mix(in srgb, var(--sf-sale) 12%, #fff); color: var(--sf-sale); }

/* ── Order confirmation ─────────────────────────────────────────── */
.sf-order { max-width: 640px; margin-inline: auto; padding-block: clamp(24px, 5vw, 48px); }
.sf-order__badge { width: 64px; height: 64px; border-radius: 999px; display: grid; place-items: center; background: color-mix(in srgb, var(--sf-ok) 14%, #fff); color: var(--sf-ok); font-size: 32px; margin: 0 auto 16px; }
.sf-steps { display: flex; gap: 6px; margin: 20px 0; }
.sf-step { flex: 1; text-align: center; font-size: 12px; color: var(--sf-muted); }
.sf-step__dot { height: 6px; border-radius: 999px; background: var(--sf-line); margin-bottom: 8px; }
.sf-step.is-done .sf-step__dot { background: var(--sf-accent); }
.sf-step.is-done { color: var(--sf-text); font-weight: 600; }

/* ── Footer ─────────────────────────────────────────────────────── */
.sf-footer { margin-top: clamp(32px, 6vw, 64px); background: var(--sf-surface-2); border-top: 1px solid var(--sf-line); }
.sf-footer__inner { padding-block: clamp(28px, 5vw, 48px); display: grid; gap: clamp(20px, 4vw, 40px); }
@media (min-width: 720px) { .sf-footer__cols { grid-template-columns: repeat(3, 1fr); } }
.sf-footer__cols { display: grid; gap: 24px; }
.sf-footer h4 { font-size: 13px; text-transform: uppercase; letter-spacing: .06em; color: var(--sf-muted); margin: 0 0 12px; }
.sf-footer li, .sf-footer p, .sf-footer a { font-size: 14px; color: color-mix(in srgb, var(--sf-text) 78%, var(--sf-muted)); }
.sf-footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.sf-footer a:hover { color: var(--sf-text); }
.sf-social { display: flex; gap: 10px; }
.sf-social a { display: inline-flex; width: 40px; height: 40px; border-radius: 999px; border: 1px solid var(--sf-line-strong); align-items: center; justify-content: center; font-size: 19px; }
.sf-social a:hover { border-color: var(--sf-text); }
.sf-attr {
    border-top: 1px solid var(--sf-line);
    padding-block: 16px;
    text-align: center;
    font-size: 12.5px;
    color: var(--sf-muted);
}
.sf-attr a { color: color-mix(in srgb, var(--sf-accent) 80%, var(--sf-text)); font-weight: 600; }

/* ── Account (вход покупателя) ──────────────────────────────────── */
.sf-account { display: inline-flex; }
.sf-login-btn {
    display: inline-flex; align-items: center; gap: 7px;
    min-height: 42px; padding: 0 14px;
    border-radius: 999px;
    border: 1px solid var(--sf-line);
    background: var(--sf-surface);
    color: var(--sf-text);
    font-weight: 600; font-size: 14px;
}
.sf-login-btn:hover { border-color: var(--sf-line-strong); }
.sf-login-btn i { font-size: 18px; }
@media (max-width: 480px) { .sf-login-btn span { display: none; } .sf-login-btn { padding: 0; width: 42px; justify-content: center; } }

.sf-modal {
    position: fixed; inset: 0; z-index: 120;
    background: rgba(12,14,20,.5);
    -webkit-backdrop-filter: blur(4px); backdrop-filter: blur(4px);
    display: none; align-items: center; justify-content: center;
    padding: 20px;
}
.sf-modal.is-open { display: flex; }
.sf-modal__card {
    position: relative;
    width: 100%; max-width: 400px;
    background: var(--sf-surface);
    border-radius: var(--sf-radius-lg);
    padding: clamp(20px, 4vw, 28px);
    box-shadow: var(--sf-shadow-lg);
}
.sf-modal__close { position: absolute; top: 12px; right: 12px; width: 38px; height: 38px; border-radius: 999px; border: 0; background: transparent; color: var(--sf-muted); font-size: 20px; }
.sf-modal__close:hover { background: var(--sf-surface-2); }
.sf-modal__title { margin: 0 0 4px; font-size: 20px; font-weight: 800; letter-spacing: -.01em; }
.sf-modal__sub { margin: 0 0 18px; font-size: 13px; color: var(--sf-muted); }

/* ── Lightbox ───────────────────────────────────────────────────── */
.sf-lightbox {
    position: fixed; inset: 0; z-index: 100;
    background: rgba(9,10,14,.92);
    display: none; align-items: center; justify-content: center;
    padding: 20px;
}
.sf-lightbox.is-open { display: flex; }
.sf-lightbox img { max-width: 92vw; max-height: 90vh; object-fit: contain; border-radius: 12px; }
.sf-lightbox__close { position: absolute; top: 16px; right: 18px; width: 46px; height: 46px; border-radius: 999px; background: rgba(255,255,255,.12); color: #fff; border: 0; font-size: 24px; }

/* ── Mobile ─────────────────────────────────────────────────────── */
@media (max-width: 720px) {
    .sf-nav { display: none; }
    .sf-nav.is-open {
        display: flex; flex-direction: column; align-items: stretch;
        position: absolute; left: 0; right: 0; top: 100%;
        background: var(--sf-surface);
        border-bottom: 1px solid var(--sf-line);
        padding: 8px var(--sf-pad-x) 14px;
        gap: 2px;
        box-shadow: var(--sf-shadow);
    }
    .sf-nav.is-open .sf-nav__link { padding: 12px; font-size: 15px; }
    .sf-header { position: sticky; }
    .sf-header__inner { position: relative; }
    .sf-burger {
        display: inline-flex; align-items: center; justify-content: center;
        width: 42px; height: 42px; border-radius: 999px;
        border: 1px solid var(--sf-line); background: var(--sf-surface); color: var(--sf-text); font-size: 21px;
    }
}

/* Sticky нижняя панель «в корзину» на странице товара (мобайл) */
.sf-stickybuy {
    position: fixed; left: 0; right: 0; bottom: 0; z-index: 45;
    display: none;
    gap: 12px; align-items: center;
    padding: 10px var(--sf-pad-x) calc(10px + env(safe-area-inset-bottom));
    background: var(--sf-header-bg);
    -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px);
    border-top: 1px solid var(--sf-line);
}
.sf-stickybuy .sf-price__now { font-size: 18px; }
@media (max-width: 720px) {
    .sf-stickybuy.is-on { display: flex; }
    body.sf-has-stickybuy { padding-bottom: 76px; }
}

@media (prefers-reduced-motion: reduce) {
    .sf-page * { animation-duration: .001ms !important; transition-duration: .001ms !important; }
}