/*
 * MindAeon Vitrin — TABAN STİL (B2B/B2C Faz D)
 * ---------------------------------------------------------------------------
 * Sözleşme: burada YALNIZ yapı ve davranış vardır; RENK/TİPOGRAFİ/YUVARLAKLIK
 * daima --sf-* değişkenlerinden okunur. Bir tema dosyası (b2b-*.css / b2c-*.css)
 * yalnız bu değişkenleri ve kendi iskelet kurallarını yeniden tanımlar.
 *
 * Neden böyle: 20 tema var. Ortak bileşen stilini her temaya kopyalasaydık,
 * ileride eklenen her vitrin özelliği 20 dosyada tekrar yazılmak zorunda kalırdı
 * ve biri unutulduğunda o tema sessizce bozulurdu.
 */

:root {
    /* renk */
    --sf-bg: #f4f7f8;
    --sf-surface: #ffffff;
    --sf-surface-2: #f8fafc;
    --sf-ink: #16262f;
    --sf-muted: #64748b;
    --sf-line: #e2e8f0;
    --sf-accent: #0891b2;
    --sf-accent-2: #0e7490;
    --sf-accent-ink: #ffffff;
    --sf-ok: #15803d;
    --sf-warn: #b45309;
    --sf-danger: #b91c1c;

    /* biçim */
    --sf-radius: 14px;
    --sf-radius-sm: 9px;
    --sf-gap: 1rem;
    --sf-pad: 1rem;
    --sf-shadow: 0 12px 28px -18px rgba(15, 23, 42, .45);
    --sf-shadow-hover: 0 16px 34px -16px rgba(8, 145, 178, .45);

    /* tipografi */
    --sf-font: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
    --sf-font-display: var(--sf-font);
    --sf-title-weight: 650;
    --sf-tracking: -0.01em;

    /* ölçü */
    --sf-container: 1200px;
    --sf-media-h: 150px;
    --sf-nav-h: 60px;
}

/* ---------- iskelet ---------- */
body.sf-body {
    margin: 0;
    background: var(--sf-bg);
    color: var(--sf-ink);
    font-family: var(--sf-font);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.sf-container { width: 100%; max-width: var(--sf-container); margin-inline: auto; padding-inline: 1rem; }
.sf-main { flex: 1 0 auto; padding-block: 1.5rem 3rem; }
.sf-shell { display: flex; flex-direction: column; min-height: 100vh; }

/* sol-raylı temalar */
.sf-split { display: grid; grid-template-columns: 250px minmax(0, 1fr); gap: 1.5rem; align-items: start; }
.sf-aside { position: sticky; top: 1rem; }
@media (max-width: 900px) { .sf-split { grid-template-columns: 1fr; } .sf-aside { position: static; } }

/* ---------- üst menü ---------- */
.sf-nav { background: var(--sf-accent-2); color: var(--sf-accent-ink); }
.sf-nav-inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: var(--sf-nav-h); }
.sf-nav a { color: inherit; text-decoration: none; }

.sf-brand { display: inline-flex; align-items: center; gap: .55rem; font-weight: 800; font-size: 1.15rem; letter-spacing: var(--sf-tracking); font-family: var(--sf-font-display); }
.sf-logo { height: 30px; width: auto; display: block; }

.sf-actions { display: flex; align-items: center; gap: .85rem; }
.sf-act { display: inline-flex; align-items: center; gap: .35rem; font-size: 1.05rem; opacity: .92; }
.sf-act:hover { opacity: 1; }
.sf-act-text { font-size: .9rem; font-weight: 600; }
.sf-act-btn { background: none; border: 0; color: inherit; padding: 0; cursor: pointer; }
.sf-cart { position: relative; font-size: 1.15rem; }
.sf-cart-badge { position: absolute; top: -8px; right: -11px; background: var(--sf-warn); color: #fff; border-radius: 999px; font-size: .68rem; font-weight: 700; padding: .05rem .35rem; }

/* ---------- filtre / arama ---------- */
.sf-facets { display: flex; gap: .5rem; flex-wrap: wrap; align-items: center; }
.sf-facets-rail { flex-direction: column; align-items: stretch; }
.sf-search { display: flex; align-items: stretch; gap: .35rem; flex: 1 1 220px; }
.sf-input { border: 1px solid var(--sf-line); background: var(--sf-surface); color: var(--sf-ink); border-radius: var(--sf-radius-sm); padding: .45rem .7rem; font: inherit; font-size: .9rem; min-width: 0; width: 100%; }
.sf-select { max-width: 240px; }
.sf-facets-rail .sf-select { max-width: none; }
.sf-search-btn { border: 1px solid var(--sf-line); background: var(--sf-surface-2); color: var(--sf-ink); border-radius: var(--sf-radius-sm); padding: .3rem .7rem; cursor: pointer; }

.sf-catlist { list-style: none; margin: .75rem 0 0; padding: 0; display: flex; flex-direction: column; gap: .1rem; }
.sf-catlist a { display: block; padding: .4rem .6rem; border-radius: var(--sf-radius-sm); color: var(--sf-ink); text-decoration: none; font-size: .9rem; }
.sf-catlist a:hover { background: var(--sf-surface-2); }
.sf-catlist a.active { background: var(--sf-accent); color: var(--sf-accent-ink); font-weight: 600; }

/* çekmece yerleşimi (Drawer): filtre varsayılan kapalı, düğmeyle açılır */
.sf-drawer > summary { cursor: pointer; list-style: none; display: inline-flex; align-items: center; gap: .4rem; font-weight: 600; font-size: .9rem; padding: .4rem .8rem; border: 1px solid var(--sf-line); border-radius: 999px; background: var(--sf-surface); }
.sf-drawer > summary::-webkit-details-marker { display: none; }
.sf-drawer[open] > summary { margin-bottom: .75rem; }

/* ---------- ürün kartı ---------- */
.sf-card { background: var(--sf-surface); border: 1px solid var(--sf-line); border-radius: var(--sf-radius); overflow: hidden; height: 100%; display: flex; flex-direction: column; transition: box-shadow .16s ease, transform .12s ease; }
.sf-card:hover { box-shadow: var(--sf-shadow-hover); transform: translateY(-2px); }
.sf-card-media { position: relative; display: grid; place-items: center; height: var(--sf-media-h); background: var(--sf-surface-2); overflow: hidden; }
.sf-card-ph { font-size: 2.2rem; color: var(--sf-accent); opacity: .35; }
.sf-img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; display: block; }
.sf-card-body { padding: var(--sf-pad); display: flex; flex-direction: column; gap: .4rem; flex: 1; }
.sf-card-title { font-size: .98rem; font-weight: var(--sf-title-weight); margin: 0; line-height: 1.3; font-family: var(--sf-font-display); }
.sf-card-title a { color: inherit; text-decoration: none; }
.sf-card-meta { display: flex; align-items: center; gap: .4rem; font-size: .78rem; color: var(--sf-muted); flex-wrap: wrap; }
.sf-card-meta code { color: inherit; }
.sf-card-desc { font-size: .82rem; color: var(--sf-muted); margin: 0; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.sf-card-foot { margin-top: auto; display: flex; flex-direction: column; gap: .55rem; }

.sf-chip { border: 1px solid var(--sf-line); border-radius: 999px; padding: 0 .45rem; font-size: .7rem; line-height: 1.5; }
.sf-chip-ok { color: var(--sf-ok); border-color: color-mix(in srgb, var(--sf-ok) 35%, transparent); }
.sf-chip-info { color: var(--sf-accent-2); border-color: color-mix(in srgb, var(--sf-accent) 35%, transparent); }
.sf-chip-accent { color: var(--sf-accent-ink); background: var(--sf-accent); border-color: var(--sf-accent); }
.sf-chip-muted { color: var(--sf-muted); }

/* ---------- satır biçimi ---------- */
.sf-rows { display: flex; flex-direction: column; gap: .75rem; }
.sf-row { display: grid; grid-template-columns: 110px minmax(0, 1fr) auto; gap: 1rem; align-items: center; background: var(--sf-surface); border: 1px solid var(--sf-line); border-radius: var(--sf-radius); padding: .75rem; }
.sf-row-media { position: relative; display: grid; place-items: center; height: 90px; border-radius: var(--sf-radius-sm); background: var(--sf-surface-2); overflow: hidden; }
.sf-row-body { display: flex; flex-direction: column; gap: .3rem; min-width: 0; }
.sf-row-buy { display: flex; flex-direction: column; gap: .5rem; align-items: flex-end; }
@media (max-width: 640px) { .sf-row { grid-template-columns: 80px minmax(0, 1fr); } .sf-row-buy { grid-column: 1 / -1; align-items: stretch; } }

/* ---------- tablo biçimi ---------- */
.sf-table-wrap { overflow-x: auto; background: var(--sf-surface); border: 1px solid var(--sf-line); border-radius: var(--sf-radius); }
.sf-table { width: 100%; border-collapse: collapse; font-size: .88rem; }
.sf-table th, .sf-table td { padding: .55rem .75rem; border-bottom: 1px solid var(--sf-line); text-align: left; vertical-align: middle; }
.sf-table thead th { background: var(--sf-surface-2); font-weight: 600; color: var(--sf-muted); white-space: nowrap; }
.sf-table tbody tr:last-child td { border-bottom: 0; }
.sf-table a { color: var(--sf-ink); text-decoration: none; font-weight: 550; }
.sf-table .ta-r { text-align: right; }
.sf-table .sf-price { justify-content: flex-end; }
.sf-table .sf-atc { justify-content: flex-end; }

/* ---------- fiyat ---------- */
.sf-price { display: flex; align-items: baseline; gap: .4rem; flex-wrap: wrap; font-variant-numeric: tabular-nums; }
.sf-price-now { font-size: 1.2rem; font-weight: 800; color: var(--sf-accent-2); letter-spacing: var(--sf-tracking); }
.sf-price-old { font-size: .82rem; color: var(--sf-muted); text-decoration: line-through; }
.sf-price-off { font-size: .7rem; font-weight: 700; color: #fff; background: var(--sf-ok); border-radius: 999px; padding: .05rem .4rem; }

/* ---------- sepete ekle ---------- */
.sf-atc { display: flex; gap: .4rem; align-items: stretch; }
.sf-qty { width: 68px; flex: 0 0 auto; border: 1px solid var(--sf-line); background: var(--sf-surface); color: var(--sf-ink); border-radius: var(--sf-radius-sm); padding: .35rem .5rem; font: inherit; font-size: .88rem; text-align: center; }
.sf-btn { display: inline-flex; align-items: center; justify-content: center; gap: .35rem; border: 1px solid var(--sf-line); background: var(--sf-surface); color: var(--sf-ink); border-radius: var(--sf-radius-sm); padding: .4rem .8rem; font: inherit; font-size: .88rem; font-weight: 600; cursor: pointer; text-decoration: none; }
.sf-btn:hover { border-color: var(--sf-accent); color: var(--sf-accent-2); }
.sf-btn-primary { background: var(--sf-accent); border-color: var(--sf-accent); color: var(--sf-accent-ink); flex: 1 1 auto; }
.sf-btn-primary:hover { background: var(--sf-accent-2); border-color: var(--sf-accent-2); color: var(--sf-accent-ink); }
.sf-btn.is-disabled { opacity: .45; pointer-events: none; }

/* ---------- sayfalama / boş durum ---------- */
.sf-pager { display: flex; align-items: center; justify-content: center; gap: .75rem; margin-top: 2rem; }
.sf-pager-info { font-size: .85rem; color: var(--sf-muted); font-variant-numeric: tabular-nums; }
.sf-empty { text-align: center; color: var(--sf-muted); padding: 3.5rem 1rem; }
.sf-empty i { font-size: 2.6rem; display: block; margin-bottom: .6rem; opacity: .6; }

/* ---------- başlık şeridi ---------- */
.sf-head { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: .75rem; margin-bottom: 1.25rem; }
.sf-head h1 { font-size: 1.35rem; font-weight: 750; margin: 0; letter-spacing: var(--sf-tracking); font-family: var(--sf-font-display); }
.sf-head .sf-count { font-size: .82rem; color: var(--sf-muted); }

/* ---------- hero (B2C temaları) ---------- */
.sf-hero { background: linear-gradient(120deg, var(--sf-accent-2), var(--sf-accent)); color: var(--sf-accent-ink); padding: 3rem 0; }
.sf-hero h1 { font-family: var(--sf-font-display); font-size: clamp(1.7rem, 4vw, 2.8rem); font-weight: 800; margin: 0 0 .5rem; letter-spacing: -.02em; text-wrap: balance; }
.sf-hero p { margin: 0; opacity: .9; font-size: 1.02rem; max-width: 55ch; }

/* ---------- altbilgi ---------- */
.sf-footer { border-top: 1px solid var(--sf-line); background: var(--sf-surface); color: var(--sf-muted); font-size: .84rem; padding: 1.25rem 0; margin-top: auto; }
.sf-footer-inner { display: flex; flex-wrap: wrap; gap: .75rem 1.5rem; align-items: center; justify-content: space-between; }
.sf-footer a { color: inherit; }

/* ---------- form / giriş kartı ---------- */
.sf-auth { display: grid; place-items: center; padding: 3rem 1rem; }
.sf-auth-card { width: 100%; max-width: 420px; background: var(--sf-surface); border: 1px solid var(--sf-line); border-radius: var(--sf-radius); padding: 2rem; box-shadow: var(--sf-shadow); }
.sf-auth-card h1 { font-size: 1.3rem; font-weight: 750; margin: 0 0 .25rem; font-family: var(--sf-font-display); }
.sf-auth-card .sf-sub { color: var(--sf-muted); font-size: .88rem; margin-bottom: 1.4rem; }
.sf-field { margin-bottom: 1rem; }
.sf-field label { display: block; font-size: .8rem; color: var(--sf-muted); margin-bottom: .25rem; }
.sf-field .sf-input { height: 44px; }
.sf-submit { width: 100%; height: 44px; }

/* ---------- ürün detay ---------- */
.sf-detail { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 2rem; align-items: start; }
.sf-detail-media { position: relative; display: grid; place-items: center; height: 360px; background: var(--sf-surface-2); border: 1px solid var(--sf-line); border-radius: var(--sf-radius); overflow: hidden; }
.sf-detail-media .sf-card-ph { font-size: 4rem; }
.sf-detail-body { display: flex; flex-direction: column; gap: .75rem; }
.sf-detail-title { font-family: var(--sf-font-display); font-size: 1.6rem; font-weight: 750; margin: 0; letter-spacing: var(--sf-tracking); text-wrap: balance; }
.sf-detail-price .sf-price-now { font-size: 1.75rem; }
.sf-detail-desc { white-space: pre-line; color: var(--sf-muted); margin: 0; max-width: 65ch; }
.sf-detail .sf-atc { max-width: 340px; }
@media (max-width: 800px) { .sf-detail { grid-template-columns: 1fr; gap: 1.25rem; } .sf-detail-media { height: 260px; } }

/* ---------- sepet ---------- */
.sf-panel { background: var(--sf-surface); border: 1px solid var(--sf-line); border-radius: var(--sf-radius); padding: var(--sf-pad); }
.sf-panel + .sf-panel { margin-top: 1rem; }
.sf-cart-table { width: 100%; border-collapse: collapse; font-size: .9rem; }
.sf-cart-table th, .sf-cart-table td { padding: .6rem .5rem; border-bottom: 1px solid var(--sf-line); text-align: left; vertical-align: middle; }
.sf-cart-table thead th { color: var(--sf-muted); font-weight: 600; font-size: .8rem; }
.sf-cart-table .ta-r { text-align: right; font-variant-numeric: tabular-nums; }
.sf-cart-table tfoot td { font-weight: 750; border-bottom: 0; }
.sf-form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: .75rem; align-items: end; }
.sf-form-grid .sf-span-all { grid-column: 1 / -1; }

/* erişilebilirlik: klavye odağı daima görünür */
.sf-btn:focus-visible, .sf-input:focus-visible, .sf-act:focus-visible, .sf-brand:focus-visible, .sf-catlist a:focus-visible {
    outline: 2px solid var(--sf-accent); outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
    .sf-card { transition: none; }
    .sf-card:hover { transform: none; }
}