/* Rosé · Kho concept: trang hạng mục (/concept) và trang xem concept (/concept/<hạng mục>).
   Ảnh concept là bảng ghép nhiều khung hình kèm chữ, nên LUÔN hiển thị trọn ảnh (không cắt),
   to và rõ trên cả điện thoại. */

/* ---------- Đầu trang ---------- */
.cc-hero{padding-bottom:44px}
.cc-hero-cat{padding-top:150px;padding-bottom:36px}
.cc-back{display:inline-block;margin-bottom:18px;font-size:11.5px;letter-spacing:.24em;text-transform:uppercase;font-weight:500;color:var(--gold-deep);transition:color .3s var(--ease)}
.cc-back:hover{color:var(--ink)}
.cc-hero .cc-count{font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--gold-deep);margin-top:16px}

/* ---------- 4 hạng mục ---------- */
.cc-cats-sec{padding:0 0 110px}
.cc-cats{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:46px 22px}
.cc-cat{display:block;color:inherit}
.cc-cat-frame{display:block;position:relative;aspect-ratio:5/4;background:var(--paper);overflow:hidden}
/* Bảng concept nằm trọn trong khung như một tấm ảnh in trên nền giấy */
.cc-cat-frame img{position:absolute;inset:6%;width:88%;height:88%;object-fit:contain;transition:transform 1.4s var(--ease)}
.cc-cat:hover .cc-cat-frame img{transform:scale(1.04)}
.cc-cat-meta{display:block;padding:24px 2px 0}
.cc-cat-count{display:block;font-size:11px;letter-spacing:.32em;text-transform:uppercase;font-weight:500;color:var(--gold-deep);font-variant-numeric:tabular-nums}
.cc-cat h2{font-size:clamp(24px,2.5vw,34px);margin-top:10px;line-height:1.2;text-wrap:balance}
.cc-cat-desc{display:block;max-width:560px;margin-top:10px;font-size:14.5px;color:var(--muted);line-height:1.7}
.cc-cat-go{display:inline-flex;align-items:center;margin-top:18px;padding-bottom:6px;border-bottom:1px solid var(--line);font-size:11.5px;letter-spacing:.28em;text-transform:uppercase;font-weight:500;color:var(--ink);transition:color .4s var(--ease),border-color .4s var(--ease)}
.cc-cat-go span{display:inline-block;transition:transform .4s var(--ease)}
.cc-cat:hover .cc-cat-go{color:var(--gold-deep);border-color:var(--gold)}
.cc-cat:hover .cc-cat-go span{transform:translateX(5px)}

/* ---------- Thanh tab hạng mục (dính dưới header khi cuộn) ---------- */
.cc-tabs{position:sticky;top:var(--hdr,74px);z-index:40;background:rgba(250,248,244,.97);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.cc-tabs-in{display:flex;justify-content:center;gap:0 38px;max-width:1400px;margin:0 auto -1px;padding:0 28px 1px;overflow-x:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch}
.cc-tabs-in::-webkit-scrollbar{display:none}
.cc-tab{flex:none;display:flex;align-items:baseline;gap:8px;padding:18px 0 16px;margin-bottom:-1px;border-bottom:1px solid transparent;font-size:11.5px;letter-spacing:.2em;text-transform:uppercase;font-weight:500;color:var(--muted);white-space:nowrap;transition:color .3s var(--ease),border-color .3s var(--ease)}
.cc-tab:hover{color:var(--ink)}
.cc-tab.on{color:var(--ink);border-bottom-color:var(--gold)}
.cc-tab-n{font-size:10.5px;letter-spacing:.06em;color:var(--gold-deep);font-variant-numeric:tabular-nums}

/* ---------- Lưới concept so le ---------- */
.cc-gal-sec{background:var(--paper);padding:30px 0 96px}
.cc-gal{--cc-gap:12px;overflow-anchor:none}
/* Chưa có JS: CSS columns vẫn xếp so le, đủ ảnh */
.cc-gal:not(.ready){columns:3 300px;column-gap:var(--cc-gap)}
.cc-gal:not(.ready) .cc-it{break-inside:avoid;margin-bottom:var(--cc-gap)}
/* Có JS: mỗi ô định vị tại chỗ (thứ tự trong trang giữ 1, 2, 3...) */
.cc-gal.ready{position:relative}
.cc-gal.ready .cc-it{position:absolute}
.cc-it{display:block;position:relative;overflow:hidden;background:var(--pearl);cursor:zoom-in}
.cc-it img{display:block;width:100%;height:100%;object-fit:contain;transition:transform 1.4s var(--ease)}
.cc-it:hover img{transform:scale(1.025)}
.cc-it-n{position:absolute;right:10px;bottom:10px;padding:6px 10px 5px;background:rgba(20,18,16,.62);color:var(--cream);font-size:10px;letter-spacing:.2em;text-transform:uppercase;font-weight:500;font-variant-numeric:tabular-nums;opacity:0;transform:translateY(4px);transition:opacity .4s var(--ease),transform .4s var(--ease);pointer-events:none}
.cc-it:hover .cc-it-n,.cc-it:focus-visible .cc-it-n{opacity:1;transform:none}
@media(hover:none){.cc-it-n{opacity:1;transform:none}}

/* ---------- Hạng mục tiếp theo ---------- */
.cc-next{border-top:1px solid var(--line);background:var(--cream)}
.cc-next-in{display:flex;flex-direction:column;align-items:center;text-align:center;padding:70px 28px;color:inherit}
.cc-next-name{font-family:'Playfair Display',serif;font-size:clamp(28px,4vw,46px);line-height:1.2;margin-top:14px}
.cc-next-arrow{display:inline-block;margin-left:.3em;color:var(--gold-deep);transition:transform .4s var(--ease)}
.cc-next-in:hover .cc-next-arrow{transform:translateX(8px)}
.cc-next-count{margin-top:12px;font-size:11.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--muted)}

/* ---------- Xem ảnh lớn ---------- */
.cl{position:fixed;inset:0;z-index:130;display:flex;flex-direction:column;background:#0d0c0b;color:rgba(250,248,244,.78);opacity:0;visibility:hidden;transition:opacity .35s var(--ease),visibility .35s}
.cl.open{opacity:1;visibility:visible;transition:opacity .35s var(--ease),visibility 0s}
.cl-top{flex:none;display:flex;align-items:center;gap:16px;height:58px;padding:0 6px 0 24px}
.cl-count{min-width:84px;font-size:11.5px;letter-spacing:.24em;font-variant-numeric:tabular-nums}
.cl-title{flex:1;min-width:0;text-align:center;font-size:11.5px;letter-spacing:.24em;text-transform:uppercase;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.cl-btn{display:flex;align-items:center;justify-content:center;background:none;border:0;color:rgba(250,248,244,.82);cursor:pointer;line-height:1;transition:color .3s var(--ease)}
.cl-btn:hover{color:var(--gold)}
.cl-close{width:52px;height:52px;font-size:32px;font-weight:300;margin-left:32px}
.cl-stage{flex:1;min-height:0;position:relative;display:flex;align-items:center;justify-content:center;overflow:hidden;touch-action:pan-y pinch-zoom}
.cl-img{display:block;max-width:calc(100vw - 168px);max-height:100%;object-fit:contain;cursor:zoom-in;user-select:none;-webkit-user-select:none;-webkit-touch-callout:none}
.cl.zoom .cl-stage{display:block;overflow:auto;touch-action:auto}
/* Ảnh chung của web mặc định rộng/cao 100%: khi phóng to phải trả về cỡ thật của ảnh */
.cl.zoom .cl-img{width:auto;height:auto;max-width:none;max-height:none;margin:0 auto;cursor:zoom-out}
.cl-nav{position:absolute;top:50%;transform:translateY(-50%);width:76px;height:120px;font-size:48px;font-weight:200;z-index:2}
.cl-prev{left:4px}
.cl-next{right:4px}
.cl.zoom .cl-nav{display:none}
.cl-bottom{flex:none;display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:10px 22px;padding:14px 16px calc(16px + env(safe-area-inset-bottom))}
.cl-hint{font-size:11px;letter-spacing:.08em;color:rgba(250,248,244,.5)}
.cl-zalo{display:inline-block;padding:12px 22px;border:1px solid rgba(192,160,98,.7);color:var(--gold);font-size:11px;letter-spacing:.24em;text-transform:uppercase;font-weight:500;transition:background .4s var(--ease),color .4s var(--ease)}
.cl-zalo:hover{background:var(--gold);color:#0d0c0b}


/* ---------- Máy tính bảng ---------- */
@media(max-width:980px){
  .cc-cats{gap:40px 18px}
  .cc-tabs-in{justify-content:flex-start;gap:0 30px}
}

/* ---------- Điện thoại: một cột, ảnh gần tràn viền để thấy rõ chữ trên bảng concept ---------- */
@media(max-width:680px){
  .cc-hero{padding-bottom:30px}
  .cc-hero-cat{padding-top:112px;padding-bottom:24px}
  .cc-count-hint{display:none}
  .cc-cats-sec{padding-bottom:70px}
  .cc-cats{grid-template-columns:1fr;gap:38px}
  .cc-cat-frame{aspect-ratio:1/1}
  .cc-cat-frame img{inset:5%;width:90%;height:90%}
  .cc-cat-meta{padding-top:18px}
  .cc-tabs-in{padding:0 48px 1px 18px;gap:0 26px;mask-image:linear-gradient(90deg,#000 88%,transparent);-webkit-mask-image:linear-gradient(90deg,#000 88%,transparent)}
  .cc-tabs-in.at-end{mask-image:none;-webkit-mask-image:none}
  .cc-tab{padding:15px 0 13px;font-size:11px;letter-spacing:.16em}
  .cc-gal-sec{padding:12px 0 60px}
  .cc-gal-sec .wrap-wide{padding:0 8px}
  .cc-gal{--cc-gap:8px}
  .cc-gal:not(.ready){columns:1}
  .cc-it-n{right:8px;bottom:8px}
  .cc-next-in{padding:52px 20px}
  .cl-top{height:52px;padding-left:16px}
  .cl-close{margin-left:8px}
  .cl-img{max-width:100vw}
  .cl-title-cat,.cl-zalo-cat{display:none}
}
@media(hover:none){
  .cl-nav{width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap}
  .cl-img{max-width:100vw}
}
/* Điện thoại xoay ngang: thu gọn thanh trên/dưới để ảnh to nhất có thể */
@media(max-height:520px){
  .cl-top{height:40px}
  .cl-close{width:44px;height:40px}
  .cl-hint{display:none}
  .cl-bottom{padding:4px 12px calc(8px + env(safe-area-inset-bottom))}
  .cl-zalo{padding:9px 16px}
}

@media(prefers-reduced-motion:reduce){
  .cc-cat-frame img,.cc-it img,.cc-it-n,.cl,.cl.open,.cc-next-arrow,.cc-cat-go span{transition:none}
}