/* ==========================================
   DRIP. — Design System
   SSENSE-faithful editorial minimalism
   ========================================== */

@import url('https://fonts.googleapis.com/css2?family=Albert+Sans:wght@300;400;500;600;700;900&display=swap');

:root {
  --font: 'Albert Sans', -apple-system, sans-serif;
  --bg: #ffffff;
  --text: #000000;
  --text-secondary: #757575;
  --border: #e0e0e0;
  --hover-bg: #f5f5f5;
  --header-bg: #ffffff;
  --header-text: #000000;
  --header-height: 44px;
  --topbar-height: 30px;
  --sidebar-width: 200px;
  --sort-width: 180px;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { font-size: 12px; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.45;
  overflow-x: hidden;
}
body:not(.loaded) { overflow: hidden; height: 100vh; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; font-size: inherit; color: inherit; }
img { display: block; max-width: 100%; }
ul, ol { list-style: none; }

/* === LOADER === */
.loader {
  position: fixed; inset: 0; z-index: 9999;
  background: var(--bg);
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}
.loader--hidden { opacity: 0; visibility: hidden; pointer-events: none; }
.loader__logo {
  width: 180px; height: auto;
  clip-path: inset(0 100% 0 0);
  animation: revealLogo 1.6s cubic-bezier(0.65, 0, 0.35, 1) 0.3s forwards;
}
.loader__line {
  width: 0; height: 1px; background: var(--text);
  margin-top: 20px;
  animation: expandLine 0.6s cubic-bezier(0.65, 0, 0.35, 1) 1.6s forwards;
}
@keyframes revealLogo { to { clip-path: inset(0 0 0 0); } }
@keyframes expandLine { to { width: 100px; } }

/* === HEADER === */
.header {
  position: sticky; top: 0; z-index: 100;
  background: var(--header-bg);
  color: var(--header-text);
  height: var(--header-height);
  display: flex; align-items: center;
  padding: 0 20px;
  border-bottom: 1px solid var(--border);
}
.header__left { display: flex; gap: 20px; flex: 1; }
.header__nav-link {
  font-size: 0.92rem; font-weight: 500;
  text-transform: uppercase; letter-spacing: 0.03em;
  color: var(--header-text); opacity: 0.85;
  transition: opacity 0.2s;
}
.header__nav-link:hover { opacity: 1; }
.header__nav-link--active {
  opacity: 1;
  text-decoration: underline;
  text-underline-offset: 4px;
}
.header__center {
  position: absolute; left: 50%; transform: translateX(-50%);
}
.header__logo img {
  height: 36px;
}
.header__right {
  flex: 1; display: flex; align-items: center;
  justify-content: flex-end; gap: 18px;
}
.header__action {
  font-size: 0.92rem; font-weight: 400;
  text-transform: uppercase; letter-spacing: 0.02em;
  color: var(--header-text); opacity: 0.85;
  transition: opacity 0.2s;
}
.header__action:hover { opacity: 1; }

/* === MAIN LAYOUT === */
.catalog {
  display: grid;
  grid-template-columns: var(--sidebar-width) 1fr var(--sort-width);
  min-height: calc(100vh - var(--header-height));
  border-top: 1px solid rgba(255,255,255,0.1);
}

/* === LEFT SIDEBAR — FILTERS === */
.catalog__filters {
  padding: 20px 16px;
  border-right: 1px solid var(--border);
  position: sticky; top: var(--header-height);
  height: calc(100vh - var(--header-height));
  overflow-y: auto;
  font-size: 0.92rem;
}
.filter-section { margin-bottom: 24px; }
.filter-section__title {
  font-size: 0.85rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.06em;
  margin-bottom: 10px;
}
.filter-link {
  display: block; padding: 3px 0;
  color: var(--text); font-size: 0.92rem;
  transition: color 0.15s; cursor: pointer;
}
.filter-link:hover { color: var(--text-secondary); }
.filter-link.active { text-decoration: underline; }

/* Designers list */
.designers-list {
  max-height: none;
}
.designers-list .filter-link {
  font-size: 0.85rem;
  padding: 2px 0;
}

/* === RIGHT SIDEBAR — SORT & COLORS === */
.catalog__sort {
  padding: 20px 16px;
  border-left: 1px solid var(--border);
  position: sticky; top: var(--header-height);
  height: calc(100vh - var(--header-height));
  overflow-y: auto;
}
.sort-section { margin-bottom: 28px; }
.sort-section__title {
  font-size: 0.85rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.06em;
  margin-bottom: 10px;
}
.sort-link {
  display: block; padding: 3px 0;
  font-size: 0.92rem; color: var(--text);
  transition: color 0.15s; cursor: pointer;
}
.sort-link:hover { color: var(--text-secondary); }
.sort-link.active { text-decoration: underline; font-weight: 500; }

.color-link {
  display: block; padding: 2px 0;
  font-size: 0.92rem; color: var(--text);
  cursor: pointer; transition: color 0.15s;
}
.color-link:hover { color: var(--text-secondary); }
.color-link.active { text-decoration: underline; }
.color-link--all { font-weight: 500; text-decoration: underline; margin-bottom: 2px; }

/* === PRODUCT GRID === */
.catalog__main { padding: 0; }
.product-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}
.product-grid--empty {
  grid-column: 1 / -1;
  text-align: center; padding: 80px 20px;
  color: var(--text-secondary); font-size: 1rem;
}

/* === PRODUCT CARD (SSENSE-style) === */
.product-card {
  display: flex; flex-direction: column;
  position: relative;
  border-bottom: 1px solid var(--border);
  border-right: 1px solid var(--border);
  animation: fadeInCard 0.4s ease both;
}
.product-card__image {
  display: block;
  aspect-ratio: 3/4; background: #f5f5f5;
  position: relative; overflow: hidden;
}
.product-card__image img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.4s ease;
}
.product-card:hover .product-card__image img { transform: scale(1.03); }
.product-card__add-btn {
  position: absolute; bottom: 0; left: 0; right: 0;
  background: #000; color: #fff;
  padding: 12px; text-align: center;
  font-size: 0.85rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.05em;
  opacity: 0;
  transition: opacity 0.2s ease;
  z-index: 2;
  cursor: pointer;
}
.product-card:hover .product-card__add-btn {
  opacity: 1;
}
.product-card__add-btn:hover {
  background: #333;
}
.product-card__info {
  display: block;
  padding: 10px 12px 16px;
}
.product-card__brand {
  display: block; font-size: 0.92rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.01em;
  margin-bottom: 2px; color: var(--text);
}
.product-card__name {
  display: block; font-size: 0.92rem; color: var(--text-secondary);
  margin-bottom: 4px;
}
.product-card__price {
  display: block; font-size: 0.92rem; font-weight: 400;
  color: var(--text);
}
@keyframes fadeInCard {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* === PRODUCT DETAIL PAGE (SSENSE STYLE 3-COLUMN) === */
.product-detail {
  display: grid;
  grid-template-columns: 2fr 5fr 2fr; /* 3 columns: Left info, middle gallery, right actions */
  gap: 40px;
  max-width: 1600px;
  margin: 0 auto;
  padding: 40px 20px;
  align-items: start;
}

/* Left Column (Brand, Name, Desc) */
.product-detail__left {
  position: sticky;
  top: calc(var(--header-height) + 40px);
  padding-right: 20px;
}
.product-info__brand {
  font-size: 0.75rem; font-weight: 500;
  text-transform: uppercase; letter-spacing: 0.05em;
  margin-bottom: 4px;
}
.product-info__name {
  font-size: 0.8rem; font-weight: 400;
  color: var(--text);
  margin-bottom: 24px;
}
.product-info__desc {
  font-size: 0.75rem; line-height: 1.5;
  color: var(--text);
  margin-top: 24px;
}

/* Center Column (Gallery) */
.product-gallery {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 40px;
}
.product-gallery__item {
  width: 100%;
  max-width: 550px;
}
.product-gallery__item img {
  width: 100%;
  height: auto;
  display: block;
}

/* Right Column (Price, Size, Add to Bag) */
.product-detail__right {
  position: sticky;
  top: calc(var(--header-height) + 40px);
  padding-left: 20px;
}
.product-info__price {
  font-size: 0.75rem; font-weight: 400;
  margin-bottom: 4px;
}
.product-info__taxes {
  font-size: 0.7rem; color: var(--text-secondary);
  margin-bottom: 28px;
}
.product-info__size-container {
  margin-bottom: 16px;
}
.product-info__size-select {
  width: 100%;
  padding: 12px 14px;
  font-size: 0.75rem;
  border: 1px solid var(--border);
  background: transparent;
  border-radius: 0;
  appearance: none;
  cursor: pointer;
  background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='1' stroke-linecap='square' stroke-linejoin='miter'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right 14px center;
  background-size: 14px;
  outline: none;
}
.product-info__size-select:focus {
  border-color: var(--text);
}
.product-info__actions {
  display: flex;
  flex-direction: row;
  gap: 10px;
}
.product-info__add-btn {
  flex: 1;
  padding: 14px;
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border: 1px solid var(--text);
  background: var(--text);
  color: var(--bg);
  cursor: pointer;
  transition: opacity 0.2s;
}
.product-info__add-btn:hover {
  opacity: 0.8;
}
.product-info__size-guide {
  font-size: 0.7rem;
  text-decoration: underline;
  margin-top: 16px;
  cursor: pointer;
}

@media (max-width: 900px) {
  .product-detail {
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 20px;
  }
  .product-detail__left, .product-detail__right {
    position: static;
    padding: 0;
  }
  .product-gallery {
    grid-row: 1; /* Images first on mobile */
  }
  .product-detail__left {
    grid-row: 2;
  }
  .product-detail__right {
    grid-row: 3;
  }
}
/* === MODAL & OTHER === */
.product-info__desc {
  font-size: 0.92rem; color: var(--text-secondary);
  line-height: 1.6; padding-top: 28px;
  border-top: 1px solid var(--border);
}

/* Related */
.related { border-top: 1px solid var(--border); padding: 32px 0 0; }
.related__title {
  font-size: 0.85rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.06em;
  margin-bottom: 16px; padding-left: 16px;
}
.related__grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 0;
}

/* === SIZE SELECTOR MODAL === */
.size-modal {
  position: fixed; inset: 0; z-index: 9000;
  display: none; align-items: center; justify-content: center;
}
.size-modal.open { display: flex; }
.size-modal__overlay {
  position: absolute; inset: 0;
  background: rgba(0,0,0,0.5);
  cursor: pointer;
}
.size-modal__content {
  position: relative; z-index: 1;
  background: #fff;
  width: 420px; max-width: 92vw;
  padding: 32px;
  animation: modalIn 0.25s ease;
}
@keyframes modalIn {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}
.size-modal__close {
  position: absolute; top: 12px; right: 16px;
  font-size: 1.6rem; line-height: 1;
  cursor: pointer; background: none; border: none;
  color: var(--text); opacity: 0.5;
  transition: opacity 0.15s;
}
.size-modal__close:hover { opacity: 1; }
.size-modal__product {
  display: flex; gap: 14px; align-items: center;
  margin-bottom: 20px; padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}
.size-modal__product-img {
  width: 72px; height: 96px; object-fit: cover;
  background: #f5f5f5;
}
.size-modal__product-info { display: flex; flex-direction: column; gap: 2px; }
.size-modal__product-brand {
  font-size: 0.85rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.02em;
}
.size-modal__product-name { font-size: 0.85rem; color: var(--text-secondary); }
.size-modal__product-price { font-size: 0.92rem; font-weight: 500; margin-top: 4px; }
.size-modal__title {
  font-size: 0.78rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.06em;
  color: var(--text-secondary); margin-bottom: 10px;
}
.size-modal__sizes {
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 4px;
  margin-bottom: 20px;
}
.size-modal__size-btn {
  padding: 10px 0; border: 1px solid var(--border);
  font-size: 0.85rem; text-align: center;
  cursor: pointer; transition: all 0.15s;
  background: #fff; color: var(--text);
}
.size-modal__size-btn:hover { border-color: var(--text); }
.size-modal__size-btn.selected {
  background: var(--text); color: #fff; border-color: var(--text);
}
.size-modal__add {
  width: 100%; padding: 14px;
  background: var(--text); color: #fff;
  font-size: 0.85rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.08em;
  border: none; cursor: pointer;
  transition: opacity 0.2s;
}
.size-modal__add:hover:not(:disabled) { opacity: 0.8; }
.size-modal__add:disabled {
  background: #ccc; color: #888; cursor: not-allowed;
}

/* === TOAST === */
.toast {
  position: fixed; bottom: 20px; left: 50%;
  transform: translateX(-50%) translateY(80px);
  background: var(--text); color: var(--bg);
  padding: 12px 24px; font-size: 0.85rem; font-weight: 500;
  z-index: 9999; transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}
.toast.show { transform: translateX(-50%) translateY(0); }

/* === SEARCH OVERLAY === */
.search-overlay {
  position: fixed; inset: 0; z-index: 9500;
  background: var(--bg);
  opacity: 0; visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
  overflow-y: auto;
}
.search-overlay.open {
  opacity: 1; visibility: visible;
}
.search-overlay__inner {
  max-width: 1400px; margin: 0 auto; padding: 40px 20px;
}
.search-overlay__header {
  display: flex; align-items: center; border-bottom: 1px solid var(--border); padding-bottom: 20px; margin-bottom: 40px;
}
.search-overlay__input {
  flex: 1; font-size: 1.5rem; font-family: var(--font); color: var(--text); font-weight: 400; border: none; background: transparent; outline: none; text-transform: uppercase; letter-spacing: 0.05em;
}
.search-overlay__input::placeholder { color: #aaa; }
.search-overlay__close {
  font-size: 2rem; background: none; border: none; cursor: pointer; color: var(--text); opacity: 0.5; transition: opacity 0.2s; padding-left: 20px; font-weight: 300;
}
.search-overlay__close:hover { opacity: 1; }
.search-overlay__results {
  display: flex; flex-direction: column;
}
.search-result-item {
  display: flex; flex-direction: row; align-items: center; 
  text-decoration: none; color: inherit; background: transparent; padding: 16px 0;
  border-bottom: 1px solid var(--border);
  transition: opacity 0.2s;
}
.search-result-item:hover { opacity: 0.6; background: transparent; }
.search-result-item img {
  width: 60px; height: 80px; object-fit: cover; background: #f5f5f5; margin-right: 24px;
}
.search-result-item__info {
  flex: 1; display: flex; align-items: center;
}
.search-result-item__brand { font-size: 0.75rem; font-weight: 500; text-transform: uppercase; width: 160px; }
.search-result-item__name { font-size: 0.8rem; color: var(--text); flex: 1; }
.search-result-item__price { font-size: 0.8rem; margin-left: auto; text-align: right; }

/* === MOBILE === */
.mobile-controls { display: none; }

@media (max-width: 1024px) {
  .catalog { grid-template-columns: 1fr; }
  .catalog__filters, .catalog__sort { display: none; }
  .catalog__filters.open, .catalog__sort.open { display: block; }
  .mobile-controls {
    display: flex; gap: 0;
    border-bottom: 1px solid var(--border);
    position: sticky; top: var(--header-height); z-index: 50;
    background: var(--bg);
  }
  .mobile-controls__btn {
    flex: 1; padding: 12px;
    font-size: 0.85rem; font-weight: 600;
    text-transform: uppercase; letter-spacing: 0.06em;
    border-bottom: 2px solid transparent;
  }
  .mobile-controls__btn:first-child { border-right: 1px solid var(--border); }
  .mobile-controls__btn.active { border-bottom-color: var(--text); }
  .catalog__filters.open, .catalog__sort.open {
    position: fixed; top: calc(var(--header-height) + 42px);
    left: 0; right: 0; bottom: 0;
    background: var(--bg); z-index: 40;
    height: auto; padding: 20px; overflow-y: auto;
  }
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .product-card__add-btn { opacity: 1; transform: translateY(0); }
  .product-detail { grid-template-columns: 1fr; }
  .product-info {
    position: static; height: auto;
    border-left: none; border-top: 1px solid var(--border);
  }
  .related__grid { grid-template-columns: repeat(2, 1fr); }
  .header__left { gap: 12px; }
  .header__nav-link { font-size: 0.8rem; }
}

@media (max-width: 600px) {
  .product-info__sizes { grid-template-columns: repeat(4, 1fr); }
  .header { padding: 0 12px; }
  .header__left { display: none; }
}

/* Scrollbar */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #ccc; }
::-webkit-scrollbar-thumb:hover { background: #999; }