/* ============================================================
   collection.css – Trang danh sách sản phẩm SUNILIES
   src/main/resources/static/css/collection.css
   ============================================================ */

:root {
    --mainColor:   #c8986a;
    --darkColor:   #3d2e1c;
    --textColor:   #231f20;
    --borderColor: #e8e4de;
    --bgLight:     #faf2e6;
    --bgWarm:      #faf7f2;
    --muted:       #7a6a57;
    --fontDisplay: 'Playfair Display', 'Cormorant', serif;
    --fontBody:    'Lato', sans-serif;
    --transition:  0.3s ease;
}

/* ── HERO BANNER ─────────────────────────────────────────── */
.cl-hero {
    background: var(--darkColor);
    padding: 64px 0 52px;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.cl-hero::before {
    content: '';
    position: absolute; inset: 0;
    background: url('/image/collection_banner.jpg') center/cover no-repeat;
    opacity: .18;
}
.cl-hero__eyebrow {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: var(--mainColor);
    margin-bottom: 14px;
    position: relative;
}
.cl-hero__title {
    font-family: var(--fontDisplay);
    font-size: clamp(32px, 5vw, 56px);
    font-weight: 400;
    color: var(--bgLight);
    line-height: 1.15;
    margin-bottom: 14px;
    position: relative;
}
.cl-hero__desc {
    font-size: 14px;
    color: rgba(250,242,230,.65);
    max-width: 480px;
    margin: 0 auto;
    line-height: 1.8;
    position: relative;
}

/* ── BREADCRUMB ──────────────────────────────────────────── */
.cl-breadcrumb {
    padding: 14px 0;
    border-bottom: 1px solid var(--borderColor);
    background: #fff;
}
.cl-breadcrumb__inner {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: #aaa;
}
.cl-breadcrumb__inner a { color: #aaa; transition: color var(--transition); }
.cl-breadcrumb__inner a:hover { color: var(--mainColor); }
.cl-breadcrumb__sep { color: #ddd; font-size: 10px; }
.cl-breadcrumb__current { color: var(--muted); font-weight: 600; }

/* ── TOOLBAR ─────────────────────────────────────────────── */
.cl-toolbar {
    padding: 20px 0;
    border-bottom: 1px solid var(--borderColor);
    background: #fff;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 12px rgba(0,0,0,.04);
}
.cl-toolbar__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
}
.cl-toolbar__left {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}
.cl-toolbar__right {
    display: flex;
    align-items: center;
    gap: 12px;
}
.cl-count { font-size: 12px; color: var(--muted); letter-spacing: .5px; }
.cl-count strong { color: var(--darkColor); }

/* Filter chips */
.cl-filter-chips { display: flex; gap: 6px; flex-wrap: wrap; }
.cl-chip {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 6px 14px; border: 1.5px solid var(--borderColor);
    border-radius: 50px; font-size: 12px; font-weight: 600;
    color: var(--muted); cursor: pointer; background: #fff;
    transition: all .2s; white-space: nowrap; font-family: var(--fontBody);
}
.cl-chip:hover { border-color: var(--mainColor); color: var(--mainColor); }
.cl-chip.is-active { border-color: var(--mainColor); background: var(--mainColor); color: #fff; }
.cl-chip__dot { width: 8px; height: 8px; border-radius: 50%; background: currentColor; opacity: .6; }

/* Sort select */
.cl-sort { display: flex; align-items: center; gap: 8px; font-size: 12px; color: var(--muted); }
.cl-sort select {
    padding: 7px 28px 7px 12px; border: 1.5px solid var(--borderColor);
    border-radius: 6px; font-size: 12px; font-family: var(--fontBody);
    color: var(--darkColor);
    background: #fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' fill='none' stroke='%237a6a57' stroke-width='1.5'%3E%3Cpath d='M1 1l4 4 4-4'/%3E%3C/svg%3E") no-repeat right 10px center;
    -webkit-appearance: none; outline: none; cursor: pointer; transition: border-color .2s;
}
.cl-sort select:hover { border-color: var(--mainColor); }

/* View toggle */
.cl-view-toggle { display: flex; gap: 4px; }
.cl-view-btn {
    width: 34px; height: 34px; border: 1.5px solid var(--borderColor);
    border-radius: 6px; background: #fff; cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    color: #bbb; transition: all .2s;
}
.cl-view-btn:hover { border-color: var(--mainColor); color: var(--mainColor); }
.cl-view-btn.is-active { border-color: var(--mainColor); background: var(--bgLight); color: var(--mainColor); }
.cl-view-btn svg { width: 16px; height: 16px; }

/* ── MAIN LAYOUT ─────────────────────────────────────────── */
.cl-main { padding: 36px 0 80px; background: #fff; min-height: 60vh; }
.cl-layout { display: grid; grid-template-columns: 240px 1fr; gap: 40px; align-items: start; }

/* ── SIDEBAR ─────────────────────────────────────────────── */
.cl-sidebar { position: sticky; top: 80px; }
.cl-sidebar__section { margin-bottom: 32px; padding-bottom: 32px; border-bottom: 1px solid var(--borderColor); }
.cl-sidebar__section:last-child { border-bottom: none; margin-bottom: 0; }
.cl-sidebar__title {
    font-size: 11px; font-weight: 700; letter-spacing: 2.5px;
    text-transform: uppercase; color: var(--darkColor); margin-bottom: 16px;
    display: flex; align-items: center; justify-content: space-between; cursor: pointer;
}
.cl-sidebar__title svg { width: 14px; height: 14px; transition: transform .2s; }
.cl-sidebar__section.is-collapsed .cl-sidebar__title svg { transform: rotate(-90deg); }
.cl-sidebar__section.is-collapsed .cl-sidebar__body { display: none; }

/* Filter list */
.cl-filter-list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; }
.cl-filter-item {
    display: flex; align-items: center; gap: 10px; font-size: 13px;
    color: var(--muted); cursor: pointer; transition: color .2s; user-select: none;
}
.cl-filter-item:hover { color: var(--darkColor); }
.cl-filter-item input[type="checkbox"] { display: none; }
.cl-filter-item__box {
    width: 16px; height: 16px; border: 1.5px solid var(--borderColor);
    border-radius: 3px; flex-shrink: 0;
    display: flex; align-items: center; justify-content: center; transition: all .2s;
}
.cl-filter-item.is-checked .cl-filter-item__box { border-color: var(--mainColor); background: var(--mainColor); }
.cl-filter-item.is-checked .cl-filter-item__box::after {
    content: ''; width: 8px; height: 5px;
    border-left: 1.5px solid #fff; border-bottom: 1.5px solid #fff;
    transform: rotate(-45deg) translateY(-1px); display: block;
}
.cl-filter-item.is-checked { color: var(--darkColor); font-weight: 600; }
.cl-filter-item__count { margin-left: auto; font-size: 11px; color: #ccc; }

/* Price range */
.cl-price-range { display: flex; flex-direction: column; gap: 8px; margin-bottom: 12px; }
.cl-price-range__row { display: flex; align-items: center; gap: 8px; }
.cl-price-range__label { font-size: 11px; font-weight: 600; color: var(--muted); width: 24px; flex-shrink: 0; }
.cl-price-range input {
    flex: 1; padding: 8px 10px; border: 1.5px solid var(--borderColor);
    border-radius: 6px; font-size: 12px; font-family: var(--fontBody);
    color: var(--darkColor); outline: none; transition: border-color .2s; width: 100%;
}
.cl-price-range input:focus { border-color: var(--mainColor); }
.cl-price-range__sep { display: none; }
.cl-btn-apply {
    width: 100%; padding: 10px; background: var(--darkColor); color: var(--bgLight);
    border: none; border-radius: 8px; font-size: 12px; font-weight: 700;
    letter-spacing: 1px; text-transform: uppercase; cursor: pointer;
    font-family: var(--fontBody); transition: background .2s;
}
.cl-btn-apply:hover { background: var(--mainColor); }

/* ── PRODUCT GRID ────────────────────────────────────────── */
.cl-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.cl-grid.view-4 { grid-template-columns: repeat(4, 1fr); gap: 16px; }
.cl-grid.view-2 { grid-template-columns: repeat(2, 1fr); }

/* Product card
 * KHÔNG set opacity:0 ở đây — collection.js tự set qua style.opacity trước khi
 * chạy IntersectionObserver. Trang không dùng collection.js sẽ hiển thị bình thường.
 */
.cl-card {
    position: relative;
    cursor: pointer;
    transition: opacity .45s ease, transform .45s ease;
}
.cl-card__thumb {
    position: relative; overflow: hidden; border-radius: 12px;
    aspect-ratio: 3/4; background: var(--bgLight); margin-bottom: 14px;
}
.cl-card__thumb img {
    width: 100%; height: 100%; object-fit: cover;
    transition: transform .55s cubic-bezier(.25,.46,.45,.94);
}
.cl-card:hover .cl-card__thumb img { transform: scale(1.07); }

/* Second image on hover */
.cl-card__thumb .img-hover {
    position: absolute; inset: 0; object-fit: cover;
    opacity: 0; transition: opacity .45s ease;
}
.cl-card:hover .cl-card__thumb .img-hover { opacity: 1; }

/* Badges */
.cl-card__badges {
    position: absolute; top: 12px; left: 12px;
    display: flex; flex-direction: column; gap: 5px; z-index: 2;
}
.cl-badge { font-size: 10px; font-weight: 700; padding: 3px 9px; border-radius: 3px; letter-spacing: .5px; line-height: 1.5; }
.cl-badge--sale  { background: #e74c3c; color: #fff; }
.cl-badge--new   { background: var(--darkColor); color: var(--bgLight); }
.cl-badge--hot   { background: #f39c12; color: #fff; }

/* Actions overlay */
.cl-card__actions {
    position: absolute; bottom: 0; left: 0; right: 0; padding: 12px;
    display: flex; gap: 7px; transform: translateY(100%);
    transition: transform .32s cubic-bezier(.25,.46,.45,.94); z-index: 3;
}
.cl-card:hover .cl-card__actions { transform: translateY(0); }

.cl-card__btn-view {
    flex: 1; height: 42px; background: rgba(255,255,255,.96); border: none;
    border-radius: 8px; font-size: 11px; font-weight: 700; letter-spacing: 1px;
    text-transform: uppercase; cursor: pointer; color: var(--darkColor);
    font-family: var(--fontBody); transition: background .2s, color .2s;
    text-decoration: none; display: flex; align-items: center; justify-content: center;
}
.cl-card__btn-view:hover { background: var(--darkColor); color: var(--bgLight); }

.cl-card__btn-wish {
    width: 42px; height: 42px; background: rgba(255,255,255,.96);
    border: none; border-radius: 8px; cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0; color: var(--muted); transition: all .2s;
}
.cl-card__btn-wish:hover { background: #e74c3c; color: #fff; }
.cl-card__btn-wish.is-wished { background: #e74c3c; color: #fff; }
.cl-card__btn-wish svg { width: 16px; height: 16px; }
.cl-card__btn-wish.is-wished svg { fill: currentColor; }

/* Card info */
.cl-card__info { padding: 0 2px; }
.cl-card__name {
    font-size: 14px; font-weight: 600; color: var(--darkColor);
    margin-bottom: 6px; line-height: 1.4; transition: color .2s;
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.cl-card:hover .cl-card__name { color: var(--mainColor); }
.cl-card__name a { color: inherit; }
.cl-card__price { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.cl-card__price--main { font-size: 15px; font-weight: 700; color: var(--mainColor); }
.cl-card__price--main.sale { color: #c0392b; }
.cl-card__price--compare { font-size: 13px; color: #bbb; text-decoration: line-through; }
.cl-card__price--save {
    font-size: 10px; font-weight: 700; background: #fff0ee; color: #c0392b;
    padding: 2px 7px; border-radius: 50px;
}

/* ── EMPTY STATE ─────────────────────────────────────────── */
.cl-empty { grid-column: 1 / -1; text-align: center; padding: 80px 20px; color: var(--muted); }
.cl-empty__icon { font-size: 48px; margin-bottom: 16px; }
.cl-empty__title { font-family: var(--fontDisplay); font-size: 22px; color: var(--darkColor); margin-bottom: 8px; }
.cl-empty__desc { font-size: 14px; line-height: 1.7; }

/* ── PAGINATION ──────────────────────────────────────────── */
.cl-pagination { display: flex; align-items: center; justify-content: center; gap: 6px; margin-top: 52px; flex-wrap: wrap; }
.cl-page-btn {
    width: 40px; height: 40px; border: 1.5px solid var(--borderColor);
    border-radius: 8px; background: #fff; font-size: 13px; font-weight: 600;
    color: var(--muted); cursor: pointer; display: flex; align-items: center;
    justify-content: center; transition: all .2s; font-family: var(--fontBody);
}
.cl-page-btn:hover { border-color: var(--mainColor); color: var(--mainColor); }
.cl-page-btn.is-active { border-color: var(--mainColor); background: var(--mainColor); color: #fff; }
.cl-page-btn:disabled { opacity: .35; cursor: not-allowed; }

/* ── LOADING SKELETON ────────────────────────────────────── */
.cl-skeleton { animation: skeletonPulse 1.4s ease-in-out infinite; }
@keyframes skeletonPulse { 0%, 100% { opacity: 1; } 50% { opacity: .45; } }
.cl-skeleton .cl-card__thumb { background: #ede8e0; }
.cl-skeleton .sk-line { height: 14px; background: #ede8e0; border-radius: 4px; margin-bottom: 8px; }
.cl-skeleton .sk-line.sm { width: 60%; height: 12px; }

/* ── MOBILE FILTER DRAWER ────────────────────────────────── */
.cl-filter-overlay {
    position: fixed; inset: 0; background: rgba(0,0,0,.4);
    z-index: 998; opacity: 0; visibility: hidden; transition: opacity .3s, visibility .3s;
}
.cl-filter-overlay.is-open { opacity: 1; visibility: visible; }
.cl-filter-drawer {
    position: fixed; top: 0; left: -320px; width: 300px; height: 100vh;
    background: #fff; z-index: 999; overflow-y: auto; padding: 24px 20px;
    transition: left .35s cubic-bezier(.25,.46,.45,.94); box-shadow: 4px 0 20px rgba(0,0,0,.1);
}
.cl-filter-drawer.is-open { left: 0; }
.cl-filter-drawer__head {
    display: flex; align-items: center; justify-content: space-between;
    margin-bottom: 28px; padding-bottom: 16px; border-bottom: 1px solid var(--borderColor);
}
.cl-filter-drawer__title { font-family: var(--fontDisplay); font-size: 20px; color: var(--darkColor); }
.cl-filter-drawer__close {
    width: 32px; height: 32px; border: none; background: none;
    font-size: 22px; cursor: pointer; color: var(--muted);
    display: flex; align-items: center; justify-content: center;
    border-radius: 50%; transition: background .2s;
}
.cl-filter-drawer__close:hover { background: var(--bgLight); }
.cl-btn-filter-mobile {
    display: none; align-items: center; gap: 6px; padding: 8px 16px;
    border: 1.5px solid var(--borderColor); border-radius: 6px; background: #fff;
    font-size: 12px; font-weight: 700; color: var(--muted); cursor: pointer;
    font-family: var(--fontBody); transition: all .2s;
}
.cl-btn-filter-mobile:hover { border-color: var(--mainColor); color: var(--mainColor); }
.cl-btn-filter-mobile svg { width: 14px; height: 14px; }

/* ── RESPONSIVE ──────────────────────────────────────────── */
@media (max-width: 992px) {
    .cl-layout { grid-template-columns: 1fr; }
    .cl-sidebar { display: none; }
    .cl-btn-filter-mobile { display: flex; }
    .cl-grid { grid-template-columns: repeat(3, 1fr); gap: 16px; }
}
@media (max-width: 767px) {
    .cl-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
    .cl-hero { padding: 48px 0 36px; }
    .cl-toolbar__right .cl-sort label { display: none; }
}
@media (max-width: 480px) {
    .cl-grid.view-4 { grid-template-columns: repeat(2, 1fr); }
}

.cl-card.is-visible {
    opacity: 1 !important;
    transform: translateY(0) !important;
}