/* ================================================================
   RESPONSIVE SYSTEM — TilbeHome Pro v2
   ================================================================
   Breakpoints (Bootstrap 5 + e-commerce standard):
   XSmall:  < 576px       Küçük telefon (iPhone SE, eski Android)
   Small:   >= 576px      Büyük telefon (iPhone 14/15, Galaxy)
   Medium:  >= 768px      Tablet (iPad Mini, iPad, Galaxy Tab)
   Large:   >= 992px      Küçük laptop (13" MacBook)
   XLarge:  >= 1200px     Laptop (15", standart masaüstü)
   XXLarge: >= 1400px     Büyük masaüstü (24"+)
   ================================================================ */

/* ══════════════════════════════════════════════
   BÖLÜM 3: CONTAINER SİSTEMİ
   ══════════════════════════════════════════════ */

/* ── Ana Container ── */
.th-container {
  width: 100%;
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--th-container-padding);
  padding-right: var(--th-container-padding);
}

@media (min-width: 576px) {
  .th-container { max-width: 540px; }
}
@media (min-width: 768px) {
  .th-container { max-width: 720px; padding-left: var(--th-space-6); padding-right: var(--th-space-6); }
}
@media (min-width: 992px) {
  .th-container { max-width: 960px; }
}
@media (min-width: 1200px) {
  .th-container { max-width: 1140px; padding-left: var(--th-space-8); padding-right: var(--th-space-8); }
}
@media (min-width: 1400px) {
  .th-container { max-width: 1320px; }
}

/* ── Tam Genişlik Container ── */
.th-container-fluid {
  width: 100%;
  padding-left: var(--th-container-padding);
  padding-right: var(--th-container-padding);
}

/* ── Dar Container (checkout, auth formları) ── */
.th-container-narrow {
  width: 100%;
  max-width: 680px;
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--th-container-padding);
  padding-right: var(--th-container-padding);
}

/* ── Geniş Container (anasayfa hero, banner) ── */
.th-container-wide {
  width: 100%;
  max-width: 1440px;
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--th-container-padding);
  padding-right: var(--th-container-padding);
}

/* ══════════════════════════════════════════════
   BÖLÜM 4: GRID SİSTEMİ
   ══════════════════════════════════════════════ */

/* ── Temel Grid ── */
.th-grid {
  display: grid;
  gap: var(--th-space-4);
}

/* ── Ürün Grid (kategori sayfası) ── */
.th-grid--products {
  grid-template-columns: repeat(2, 1fr);
  gap: var(--th-space-3);
}

@media (min-width: 576px) {
  .th-grid--products { grid-template-columns: repeat(2, 1fr); gap: var(--th-space-4); }
}
@media (min-width: 768px) {
  .th-grid--products { grid-template-columns: repeat(3, 1fr); }
}
@media (min-width: 992px) {
  .th-grid--products { grid-template-columns: repeat(4, 1fr); }
}
@media (min-width: 1200px) {
  .th-grid--products { grid-template-columns: repeat(5, 1fr); }
}

/* ── PDP Layout Grid ── */
.th-grid--pdp {
  grid-template-columns: 1fr;
  gap: var(--th-space-4);
}
@media (min-width: 992px) {
  .th-grid--pdp { grid-template-columns: 1fr 1fr; gap: var(--th-space-8); }
}
@media (min-width: 1200px) {
  .th-grid--pdp { grid-template-columns: 55% 45%; }
}

/* ── Sidebar Layout Grid ── */
.th-grid--sidebar {
  grid-template-columns: 1fr;
  gap: var(--th-space-4);
}
@media (min-width: 992px) {
  .th-grid--sidebar { grid-template-columns: 260px 1fr; gap: var(--th-space-6); }
}

/* ══════════════════════════════════════════════
   BÖLÜM 5: RESPONSIVE VISIBILITY
   ══════════════════════════════════════════════ */

/* ── XSmall: Küçük telefonda gizle/göster ── */
@media (max-width: 575px) {
  .th-hide-xs { display: none !important; }
}
/* ── Tablet: Sadece tablette gizle (768-991px) ── */
@media (min-width: 768px) and (max-width: 991px) {
  .th-hide-tablet { display: none !important; }
}

/* ── Desktop: Masaüstünde gizle/göster (>= 992px) ── */
@media (min-width: 992px) {
  .th-hide-desktop { display: none !important; }
}
.th-show-desktop { display: none !important; }
@media (min-width: 992px) {
  .th-show-desktop { display: block !important; }
}

/* ══════════════════════════════════════════════
   BÖLÜM 8: TOUCH TARGET
   ══════════════════════════════════════════════ */

/* Touch target minimum (WCAG 2.5.5 + Apple HIG) */
button,
[type="button"],
[type="submit"],
[type="reset"],
a.th-btn,
.th-card__fav,
.th-card__overlay-btn {
  min-height: 44px;
  min-width: 44px;
}

/* Küçük butonlar için görünmez touch padding */
.th-touch-target {
  position: relative;
}
.th-touch-target::after {
  content: '';
  position: absolute;
  top: -8px;
  right: -8px;
  bottom: -8px;
  left: -8px;
}

/* ══════════════════════════════════════════════
   BÖLÜM 9: MOBİL SPACING
   ══════════════════════════════════════════════ */

@media (max-width: 767px) {
  /* Section arası boşluk */
  .th-section { margin-bottom: var(--th-space-6); }

  /* Kart içi padding */
  .th-card__body { padding: var(--th-space-2); }

  /* Grid gap */
  .th-grid { gap: var(--th-space-2); }
  .th-grid--products { gap: var(--th-space-2); }

  /* iOS zoom önleme (< 16px input'ta Safari otomatik zoom yapar) */
  input,
  select,
  textarea {
    font-size: 16px;
  }

  /* Tablo yatay scroll */
  .th-table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
}

/* ══════════════════════════════════════════════
   BÖLÜM 10: GÖRSEL ORAN (ASPECT RATIO)
   ══════════════════════════════════════════════ */

/* Ürün kartı görseli */
.th-card__image {
  aspect-ratio: var(--th-aspect-square);
  overflow: hidden;
}
.th-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Banner oranları */
.th-banner { aspect-ratio: var(--th-aspect-banner); }
.th-banner--wide { aspect-ratio: var(--th-aspect-wide); }

/* Mobilde banner oranı değişir */
@media (max-width: 767px) {
  .th-banner { aspect-ratio: var(--th-aspect-landscape); }
}

/* ══════════════════════════════════════════════
   BÖLÜM 11: RESPONSIVE IMAGE UTILITIES
   ══════════════════════════════════════════════ */

/* Lazy load placeholder */
.th-img-placeholder {
  background: var(--th-color-bg-skeleton);
  animation: th-skeleton-pulse 1.5s ease-in-out infinite;
}

@keyframes th-skeleton-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

/* ══════════════════════════════════════════════
   BÖLÜM 12: MOBİL NAVIGATION (BOTTOM BAR)
   ══════════════════════════════════════════════ */

/* Sticky Bottom Bar (mobil CTA) */
.th-mobile-bottom-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: var(--th-z-sticky);
  background: var(--th-color-bg);
  border-top: 1px solid var(--th-color-border-light);
  box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.08);
  padding: var(--th-space-2) var(--th-space-4);
  display: none;
}

@media (max-width: 767px) {
  .th-mobile-bottom-bar {
    display: flex;
    align-items: center;
    gap: var(--th-space-3);
  }

  /* Bottom bar varsa sayfa altına padding ekle */
  body.has-bottom-bar { padding-bottom: 72px; }
}

/* PDP mobil sticky CTA */
.th-pdp-sticky-cta {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: var(--th-z-sticky);
  background: var(--th-color-bg);
  box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.1);
  padding: var(--th-space-3) var(--th-space-4);
  display: none;
}

@media (max-width: 767px) {
  .th-pdp-sticky-cta {
    display: flex;
    align-items: center;
    gap: var(--th-space-3);
  }
}

/* ══════════════════════════════════════════════
   BÖLÜM 13: SAFE AREA (NOTCH/ISLAND DESTEĞİ)
   ══════════════════════════════════════════════ */

@supports (padding: env(safe-area-inset-top)) {
  .th-header__header {
    padding-top: env(safe-area-inset-top);
  }

  .th-mobile-bottom-bar,
  .th-pdp-sticky-cta {
    padding-bottom: calc(var(--th-space-2) + env(safe-area-inset-bottom));
  }
}