:root {
  --pink: #ff6b9d;
  --pink-dark: #e0457e;
  --peach: #fff1f5;
  --ink: #2d2333;
  --muted: #8a7f91;
  --card: #ffffff;
  --line: #f3dbe4;
  --shadow: 0 2px 10px rgba(224, 69, 126, 0.08);
  --radius: 14px;
  /* Biến hệ thống CTA/popup (quy trình liên kết hoàn tiền + search + CTA) */
  --primary: var(--pink);
  --primary-dark: var(--pink-dark);
  --accent-soft: #fff1f5;      /* nền hover item popup */
  --gold: #D4A64A;             /* nút hoàn tiền — giữ vàng đồng đồng bộ hệ thống */
  --danger: #e0532f;           /* "đã bán" hot, % giảm */
  --danger-soft: #fdeae3;
  --muted-bg: #fdf3f6;
  --border: var(--line);
  --text-muted: var(--muted);
  --ease: cubic-bezier(.22,.61,.36,1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--peach);
  color: var(--ink);
  line-height: 1.5;
}

.container { max-width: 1140px; margin: 0 auto; padding: 0 16px; }

/* Header */
.site-header {
  background: #fff;
  border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 20;
}
.header-inner { display: flex; align-items: center; gap: 16px; padding: 12px 16px; }
.logo { font-size: 1.35rem; text-decoration: none; color: var(--ink); white-space: nowrap; display: flex; align-items: center; gap: 8px; }
.logo-img { width: 40px; height: 40px; display: block; }
.logo b { color: var(--pink-dark); }
.search-box { flex: 1; max-width: 420px; margin-left: auto; }
.search-box input {
  width: 100%; padding: 10px 16px; border: 2px solid var(--line);
  border-radius: 999px; font-size: 0.95rem; outline: none; background: var(--peach);
}
.search-box input:focus { border-color: var(--pink); background: #fff; }

/* Hero */
.hero {
  background: linear-gradient(rgba(255,255,255,.62), rgba(255,255,255,.38)), url('hero-bg.webp') center/cover no-repeat, linear-gradient(135deg, #ffe3ec, #ffe9d6);
  padding: 46px 0 40px; text-align: center;
}
.hero h1 { font-size: clamp(1.5rem, 4vw, 2.2rem); color: var(--pink-dark); margin-bottom: 8px; }
.hero p { color: #6d5a66; max-width: 640px; margin: 0 auto; }

/* Category chips: desktop xuống dòng, mobile cuộn ngang */
.cats { display: flex; flex-wrap: wrap; gap: 8px; padding: 18px 16px 6px; }
@media (max-width: 640px) {
  .cats { flex-wrap: nowrap; overflow-x: auto; scrollbar-width: none; }
  .cats::-webkit-scrollbar { display: none; }
}
.chip {
  border: 2px solid var(--line); background: #fff; color: var(--ink);
  padding: 8px 16px; border-radius: 999px; font-size: 0.9rem; cursor: pointer;
  white-space: nowrap; transition: all .15s;
}
.chip:hover { border-color: var(--pink); }
.chip.active { background: var(--pink); border-color: var(--pink); color: #fff; font-weight: 600; }

/* Toolbar */
.toolbar { display: flex; align-items: center; justify-content: space-between; padding: 10px 16px; color: var(--muted); font-size: 0.9rem; flex-wrap: wrap; gap: 8px; }
.sort-label select { padding: 6px 10px; border-radius: 8px; border: 1px solid var(--line); background: #fff; font-size: 0.9rem; color: var(--ink); }

/* Grid */
.grid {
  display: grid; gap: 14px;
  grid-template-columns: repeat(auto-fill, minmax(215px, 1fr));
  padding-bottom: 10px;
}

.card {
  background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow);
  display: flex; flex-direction: column; overflow: hidden;
  transition: transform .15s, box-shadow .15s; position: relative;
}
.card:hover { transform: translateY(-3px); box-shadow: 0 8px 22px rgba(224, 69, 126, 0.16); }

.thumb { height: 110px; display: flex; align-items: center; justify-content: center; font-size: 3rem; }
.thumb.has-img { height: 170px; background: #fafafa; position: relative; }
.thumb.has-img img { width: 100%; height: 100%; object-fit: cover; display: block; }
/* Ảnh thứ 2 từ NoxAPI — hover đổi ảnh */
.thumb.has-img .img2 { position: absolute; inset: 0; opacity: 0; transition: opacity .3s ease; }
.card:hover .thumb.has-img .img2 { opacity: 1; }
.card-meta { display: flex; flex-wrap: wrap; gap: 5px; }
.chip {
  display: inline-flex; align-items: center; font-size: 0.72rem; font-weight: 700;
  padding: 2px 8px; border-radius: 999px; line-height: 1.5;
}
.chip-rating { background: #fef3c7; color: #b45309; }
.chip-sold { background: #fce7f3; color: var(--pink-dark); }
.chip-mall { background: #d0011b; color: #fff; }
.thumb.bim-ta       { background: linear-gradient(135deg, #e0f2fe, #bae6fd); }
.thumb.sua-vitamin  { background: linear-gradient(135deg, #fef9c3, #fde68a); }
.thumb.an-dam       { background: linear-gradient(135deg, #dcfce7, #bbf7d0); }
.thumb.do-choi      { background: linear-gradient(135deg, #fce7f3, #fbcfe8); }
.thumb.me-bau       { background: linear-gradient(135deg, #ede9fe, #ddd6fe); }
.thumb.tam-goi-vs   { background: linear-gradient(135deg, #cffafe, #a5f3fc); }
.thumb.do-dung      { background: linear-gradient(135deg, #ffedd5, #fed7aa); }

.top-badge {
  position: absolute; top: 8px; left: 8px; background: var(--pink-dark); color: #fff;
  font-size: 0.72rem; font-weight: 700; padding: 3px 9px; border-radius: 999px;
  box-shadow: 0 2px 6px rgba(224,69,126,.4);
}
.comm-badge {
  position: absolute; top: 8px; right: 8px; background: #16a34a; color: #fff;
  font-size: 0.72rem; font-weight: 700; padding: 3px 8px; border-radius: 999px;
}

.card-body { padding: 12px 14px 14px; display: flex; flex-direction: column; flex: 1; gap: 6px; }
.card-name {
  font-size: 0.87rem; font-weight: 600; line-height: 1.35;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
  min-height: 2.35em;
}
.card-shop { font-size: 0.76rem; color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.card-price { color: var(--pink-dark); font-weight: 800; font-size: 1.3rem; margin-top: auto;
  display: flex; align-items: baseline; gap: 6px; flex-wrap: wrap; }

/* ============ NÚT CTA CTR CAO (Mua + Hoàn tiền) ============ */
.cta-row { display: flex; gap: 8px; margin-top: 8px; }
.cta-row .cta-shopee { flex: 1.5; }
.cta-row .cta-cashback { flex: 1; }

.cta-shopee, .cta-cashback {
  display: flex; align-items: center; justify-content: center; gap: 5px;
  text-align: center; text-decoration: none; white-space: nowrap;
  font-weight: 700; font-size: 0.82rem; padding: 10px 8px; border-radius: 10px;
}

/* 1) Nút mua chính: gradient động + đổ bóng khi hover */
.cta-shopee {
  background: linear-gradient(120deg, var(--primary), var(--primary-dark));
  background-size: 200% 100%; color: #fff;
  transition: background-position .45s var(--ease), transform .25s var(--ease), box-shadow .3s var(--ease);
  position: relative; overflow: hidden;
}
.cta-shopee:hover { background-position: 95% 0; transform: translateY(-1px);
  box-shadow: 0 10px 24px rgba(224,69,126,.35); }

/* 2) Vệt sáng quét qua nút (tự chạy trên TOP 1, hover trên nút thường) */
.cta-shopee::after {
  content:''; position:absolute; top:0; left:-80%; width:50%; height:100%;
  background: linear-gradient(100deg, transparent, rgba(255,255,255,.22), transparent);
  transform: skewX(-20deg); transition: left .55s var(--ease); pointer-events:none;
}
.cta-shopee:hover::after { left: 130%; }
.top-pick .cta-shopee::after { animation: autoShine 4.5s ease infinite; }
@keyframes autoShine { 0%,62% { left:-80%; } 86%,100% { left:130%; } }

/* 3) Pulse ring hút mắt (CHỈ TOP 1 + sticky) */
@keyframes ctaPulse { 0%{box-shadow:0 0 0 0 rgba(224,69,126,.35);} 70%{box-shadow:0 0 0 12px transparent;} 100%{box-shadow:0 0 0 0 transparent;} }
.top-pick .cta-shopee, .sticky-cta .sc-buy { animation: ctaPulse 2.6s var(--ease) infinite; }

/* 4) Nút hoàn tiền vàng + coin lật khi hover */
.cta-cashback { background: linear-gradient(120deg,#E9C97E,var(--gold) 45%,#C89838);
  background-size:180% 100%; color:#4F3A10; font-weight:600;
  transition: background-position .4s var(--ease), transform .25s var(--ease), box-shadow .3s var(--ease); }
.cta-cashback:hover { background-position:90% 0; transform:translateY(-2px);
  box-shadow:0 8px 20px rgba(212,166,74,.35); }
.cta-cashback:hover i { animation: coinFlip .6s var(--ease); }
@keyframes coinFlip { from{transform:rotateY(0);} to{transform:rotateY(360deg);} }

/* 5) Icon mũi tên nhích khi hover + nhấp nhô ở sticky */
.cta-shopee i { transition: transform .25s var(--ease); }
.cta-shopee:hover i { transform: translateX(4px); }
.sticky-cta .sc-buy i { animation: nudgeX 1.8s var(--ease) infinite; }
@keyframes nudgeX { 50% { transform: translateX(3px); } }

/* Load more */
.load-more-wrap { text-align: center; padding: 18px 0 34px; }
.btn-more {
  background: #fff; border: 2px solid var(--pink); color: var(--pink-dark);
  font-weight: 700; font-size: 0.95rem; padding: 11px 34px; border-radius: 999px; cursor: pointer;
}
.btn-more:hover { background: var(--pink); color: #fff; }
.btn-more[hidden] { display: none; }

/* Footer */
/* padding đáy chừa chỗ cho thanh sticky-cta */
.site-footer { background: #fff; border-top: 1px solid var(--line); padding: 24px 0 96px; text-align: center; font-size: 0.85rem; color: var(--muted); }
.site-footer .disclosure { max-width: 620px; margin: 6px auto 0; }
.site-footer .credit { margin-top: 14px; padding-top: 12px; border-top: 1px dashed var(--line); }
.site-footer .credit strong { color: var(--pink-dark); }

.empty { grid-column: 1 / -1; text-align: center; color: var(--muted); padding: 40px 0; font-size: 1rem; }

/* ============ KHUNG SEARCH + POPUP KẾT QUẢ ============ */
.hero-search { position: relative; }
.search-popup {
  position: absolute; top: calc(100% + 10px); left: 0; right: 0;
  background: #fff; border: .5px solid var(--border);
  border-radius: 14px; box-shadow: 0 24px 60px rgba(0,0,0,.18);
  z-index: 70; text-align: left; overflow: hidden;
  animation: popIn .28s ease; transform-origin: top center;
}
@keyframes popIn { from { opacity:0; transform:translateY(-8px) scale(.98); } to { opacity:1; } }
.sp-head { display:flex; justify-content:space-between; padding:10px 16px; font-size:12px;
  color:var(--text-muted); background:var(--muted-bg); border-bottom:.5px solid var(--border); }
.sp-list { max-height: 388px; overflow-y: auto; }
.sp-item { display:flex; align-items:center; gap:12px; padding:12px 14px;
  border-bottom:.5px solid var(--border); animation: spIn .35s ease both; transition: background .25s; }
.sp-item:hover { background: var(--accent-soft); }
@keyframes spIn { from { opacity:0; transform:translateX(-10px); } to { opacity:1; } }
.sp-thumb { width:52px; height:52px; border-radius:10px; object-fit:cover; transition: transform .35s; flex-shrink:0; }
.sp-item:hover .sp-thumb { transform: scale(1.08); }
.sp-info { flex:1; min-width:0; }
.sp-name { font-size:12.5px; font-weight:500; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.sp-meta { display:flex; gap:8px; font-size:11px; color:var(--text-muted); }
.sp-meta .stars { color:var(--gold); letter-spacing:-1px; }
.sp-hot { color:var(--danger); font-weight:500; }
.sp-price { display:flex; align-items:baseline; gap:6px; margin-top:3px; }
.sp-price .price { font-size:14.5px; font-weight:700; color:var(--primary-dark); }
.price-old { color:var(--text-muted); text-decoration:line-through; font-size:11px; }
.off-chip { background:var(--danger-soft); color:var(--danger); font-size:10px; padding:0 6px; border-radius:999px; font-weight:600; }
.sp-actions { display:flex; flex-direction:column; gap:6px; }
.sp-buy, .sp-cash { display:flex; align-items:center; justify-content:center; gap:4px;
  font-size:11.5px; font-weight:600; padding:7px 12px; border-radius:999px; white-space:nowrap;
  text-decoration:none;
  transition: transform .22s, box-shadow .25s, background-position .4s; }
.sp-buy  { background: linear-gradient(120deg, var(--primary), var(--primary-dark)); background-size:180% 100%; color:#fff; }
.sp-cash { background: linear-gradient(120deg, #E9C97E, var(--gold) 50%, #C89838); background-size:180% 100%; color:#4F3A10; }
.sp-buy:hover, .sp-cash:hover { background-position:90% 0; transform: translateY(-1px); }
.sp-all { width:100%; padding:11px; background:var(--muted-bg); color:var(--primary-dark);
  font-size:12.5px; font-weight:600; border:none; border-top:.5px solid var(--border); cursor:pointer; }
.sp-empty { padding:22px 16px; text-align:center; color:var(--text-muted); font-size:13px; }
@media (max-width:560px){ .sp-item{flex-wrap:wrap;} .sp-actions{flex-direction:row; width:100%;} .sp-buy,.sp-cash{flex:1;} }

/* ============ DẢI VOUCHER SHOPEE (countdown thật) ============ */
.voucher-strip { padding: 16px 0 2px; }
.vs-head { display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; margin-bottom: 10px; }
.vs-head h2 { font-size: 1.12rem; color: var(--pink-dark); }
.vs-sub { font-size: 0.8rem; color: var(--muted); }
.vs-row {
  display: flex; gap: 12px; overflow-x: auto; padding: 4px 2px 14px;
  scroll-snap-type: x proximity; scrollbar-width: thin; scrollbar-color: var(--pink) transparent;
}
.vc {
  display: flex; min-width: 300px; max-width: 340px; flex-shrink: 0;
  background: #fff; border-radius: 14px; box-shadow: var(--shadow);
  position: relative; overflow: hidden; scroll-snap-align: start;
  animation: vcIn .4s var(--ease) both;
  transition: transform .25s var(--ease), box-shadow .3s var(--ease);
}
.vc:hover { transform: translateY(-2px); box-shadow: 0 10px 26px rgba(224,69,126,.18); }
@keyframes vcIn { from { opacity: 0; transform: translateX(14px); } to { opacity: 1; } }
/* Lỗ đục vé (răng cưa 2 đầu mép cuống vé) */
.vc::before, .vc::after {
  content: ''; position: absolute; left: 78px; width: 16px; height: 16px;
  background: var(--peach); border-radius: 50%; z-index: 1;
}
.vc::before { top: -8px; }
.vc::after { bottom: -8px; }
.vc-stub {
  width: 86px; flex-shrink: 0; display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 2px; padding: 10px 4px;
  background: linear-gradient(160deg, var(--pink), var(--pink-dark)); color: #fff;
  border-right: 2px dashed rgba(255,255,255,.55);
}
.vc-pct { font-size: 1.45rem; font-weight: 800; line-height: 1.1; }
.vc-off { font-size: 0.6rem; font-weight: 700; letter-spacing: 1px; opacity: .9; }
.vc-body { flex: 1; min-width: 0; padding: 10px 12px 11px; display: flex; flex-direction: column; gap: 6px; }
.vc-top { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.vc-cat {
  font-size: 0.68rem; font-weight: 700; padding: 2px 8px; border-radius: 999px;
  background: var(--muted-bg); color: var(--pink-dark); white-space: nowrap;
}
.vc-count { font-size: 0.72rem; color: var(--muted); white-space: nowrap; }
.vc-count b { color: var(--ink); font-variant-numeric: tabular-nums; }
.vc-count.urgent b { color: var(--danger); }
.vc-count.urgent { animation: urgentBlink 1.6s ease infinite; }
@keyframes urgentBlink { 50% { opacity: .65; } }
.vc-cond { font-size: 0.8rem; color: var(--ink); }
.vc-code {
  align-self: flex-start; font-family: ui-monospace, Consolas, monospace;
  font-size: 0.82rem; font-weight: 700; letter-spacing: .5px; color: var(--pink-dark);
  border: 1.5px dashed var(--pink); border-radius: 8px; padding: 3px 10px;
  background: var(--accent-soft); max-width: 100%; overflow: hidden; text-overflow: ellipsis;
}
.vc-actions { display: flex; gap: 8px; margin-top: 2px; }
.vc-copy {
  flex: 1; background: #fff; border: 2px solid var(--pink); color: var(--pink-dark);
  font-weight: 700; font-size: 0.78rem; padding: 7px 10px; border-radius: 999px; cursor: pointer;
  transition: background .2s, color .2s;
}
.vc-copy:hover { background: var(--pink); color: #fff; }
.vc-use {
  flex: 1.4; display: flex; align-items: center; justify-content: center; gap: 4px;
  background: linear-gradient(120deg, var(--primary), var(--primary-dark));
  background-size: 200% 100%; color: #fff; text-decoration: none;
  font-weight: 700; font-size: 0.78rem; padding: 7px 10px; border-radius: 999px;
  transition: background-position .45s var(--ease), transform .25s var(--ease), box-shadow .3s var(--ease);
}
.vc-use:hover { background-position: 95% 0; transform: translateY(-1px);
  box-shadow: 0 8px 18px rgba(224,69,126,.3); }
.vc-use i { transition: transform .25s var(--ease); }
.vc-use:hover i { transform: translateX(3px); }
@media (max-width: 560px) { .vc { min-width: 272px; } }

/* ============ TOAST ĐÃ COPY LINK (hoàn tiền HoanVi) ============ */
#copy-toast {
  position: fixed; left: 50%; bottom: 86px;
  transform: translate(-50%, 16px);
  background: var(--ink); color: #fff;
  font-size: 13.5px; padding: 11px 18px; border-radius: 999px;
  box-shadow: 0 10px 30px rgba(0,0,0,.25);
  z-index: 200; opacity: 0; pointer-events: none;
  transition: opacity .3s ease, transform .3s ease;
  max-width: min(92vw, 480px); text-align: center; line-height: 1.45;
}
#copy-toast.show { opacity: 1; transform: translate(-50%, 0); }
#copy-toast b { color: #F3D9A0; }

/* ============ THANH CTA STICKY ĐÁY TRANG ============ */
.sticky-cta {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 100;
  background: #fff; border-top: 1px solid var(--border);
  box-shadow: 0 -8px 24px rgba(224,69,126,.12);
}
.sticky-cta[hidden] { display: none; }
.sc-inner { display: flex; align-items: center; gap: 10px; padding: 8px 16px; }
.sc-thumb { width: 44px; height: 44px; border-radius: 8px; object-fit: cover; flex-shrink: 0; }
.sc-info { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.sc-label { font-size: 0.7rem; font-weight: 700; color: var(--pink-dark); }
.sc-name { font-size: 0.82rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sc-price { font-weight: 800; color: var(--pink-dark); font-size: 1rem; white-space: nowrap; }
.sc-buy, .sc-cash {
  display: flex; align-items: center; gap: 5px; text-decoration: none; white-space: nowrap;
  font-weight: 700; font-size: 0.82rem; padding: 9px 16px; border-radius: 999px;
}
.sc-buy { background: linear-gradient(120deg, var(--primary), var(--primary-dark)); color: #fff; }
.sc-cash { background: linear-gradient(120deg, #E9C97E, var(--gold) 50%, #C89838); color: #4F3A10;
  transition: transform .25s var(--ease), box-shadow .3s var(--ease); }
.sc-cash:hover { transform: translateY(-1px); box-shadow: 0 6px 16px rgba(212,166,74,.35); }
.sc-close {
  background: none; border: none; color: var(--muted); font-size: 0.95rem;
  cursor: pointer; padding: 6px; line-height: 1;
}
@media (max-width: 640px) {
  .sc-price, .sc-thumb { display: none; }
  .sc-buy, .sc-cash { font-size: 0.78rem; padding: 8px 12px; }
}

/* BẮT BUỘC: tắt hiệu ứng cho người dùng nhạy chuyển động */
@media (prefers-reduced-motion: reduce) {
  .top-pick .cta-shopee, .sticky-cta .sc-buy, .sticky-cta .sc-buy i,
  .top-pick .cta-shopee::after, .cta-cashback:hover i,
  .search-popup, .sp-item, .vc, .vc-count.urgent { animation: none; }
}

@media (max-width: 480px) {
  .grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .thumb { height: 84px; font-size: 2.3rem; }
  .header-inner { flex-wrap: wrap; }
  .search-box { max-width: none; width: 100%; }
  .cta-row { flex-direction: column; gap: 6px; }
}