/* Nền trang chủ */
body.home{background:#0F1729;color:#fff}

/* Grid: album + nút + cùng là item */
.tt-albums-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px}
.tt-album{cursor:pointer;border-radius:6px;overflow:hidden;background:#0F1729;border:1px solid rgba(92,242,230,.2)}
.tt-cover{width:100%;aspect-ratio:4/3;background-size:cover;background-position:center;border-bottom:1px solid rgba(92,242,230,.15)}

/* Nút dấu + là item cuối của grid */
.tt-load-more{margin:0;justify-self:stretch;align-self:stretch;display:grid;place-items:center;width:100%;aspect-ratio:4/3;background:#3AC2B7;border:none;border-radius:6px;box-shadow:0 2px 0 rgba(0,0,0,.25) inset;font-size:120px;line-height:1;color:#fff;font-weight:900;cursor:pointer;outline:1px solid rgba(92,242,230,.35);outline-offset:-1px;transition:transform .08s ease, filter .2s ease}
.tt-load-more:hover{filter:brightness(1.05)}
.tt-load-more:active{transform:scale(.98)}

/* Lightbox */
.tt-lightbox{position:fixed;inset:0;background:rgba(0,0,0,.92);display:flex;align-items:center;justify-content:center;z-index:9999}
.tt-lightbox img{max-width:90vw;max-height:85vh;border-radius:8px}
.tt-lightbox .tt-prev,.tt-lightbox .tt-next,.tt-lightbox .tt-close{position:absolute;background:rgba(255,255,255,.15);color:#fff;border:none;font-size:28px;padding:10px 14px;cursor:pointer;border-radius:8px}
.tt-lightbox .tt-prev{left:20px}
.tt-lightbox .tt-next{right:20px}
.tt-lightbox .tt-close{top:16px;right:16px;font-size:32px}
.tt-counter{position:absolute;bottom:16px;color:#fff}

/* Nút tải code (tùy chọn) */
.tt-download-btn{display:inline-block;padding:10px 16px;border-radius:8px;background:#1a73e8;color:#fff;text-decoration:none;font-weight:600}
.tt-download-btn:hover{background:#1558b4}