:root{--bg:#3a3a3c;--bg2:#2f2f31;--line:#4a4a4f;--text:#f1f1f1;--muted:#a8a8ae;--accent:#3d7bfd;--head:'Oswald',Impact,sans-serif;--body:'Be Vietnam Pro',system-ui,sans-serif}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font-family:var(--body);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}

/* top bar */
.topbar{position:fixed;inset:0 0 auto 0;height:60px;display:flex;align-items:center;justify-content:space-between;padding:0 28px;z-index:50;transition:background .3s,border-color .3s;border-bottom:1px solid transparent}
.topbar.solid{background:rgba(38,38,40,.94);backdrop-filter:blur(8px);border-color:var(--line)}
.brand{font-family:var(--head);font-weight:700;font-size:24px;letter-spacing:.06em}
.nav{display:flex;gap:26px}
.nav a{font-size:14px;color:#cfcfd4;transition:color .2s}
.nav a:hover{color:#fff}
.menu-btn{display:none;background:none;border:0;color:#fff;font-size:24px;cursor:pointer}

/* hero */
.hero{position:relative;height:100vh;min-height:560px;display:flex;align-items:center;justify-content:center;text-align:center;overflow:hidden}
.hero-slides img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;transform:scale(1.06);transition:opacity 1.6s ease,transform 8s linear}
.hero-slides img.on{opacity:1;transform:scale(1)}
.hero-shade{position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.55) 0%,rgba(0,0,0,.25) 45%,var(--bg) 100%)}
.hero-content{position:relative;z-index:2;padding:0 20px;max-width:1540px}
.hero h1{font-family:var(--head);font-weight:400;text-transform:uppercase;font-size:clamp(44px,8vw,104px);line-height:1.18;letter-spacing:.01em}
.hero p{margin:22px auto 30px;max-width:560px;color:#e2e2e6;font-size:17px}
.hero .hero-lead{max-width:1500px;color:#eef0f2;font-weight:300;font-size:clamp(16px,1.3vw,19px);line-height:1.75;text-shadow:0 1px 12px rgba(0,0,0,.5)}
@media (max-width:900px){.hero .hero-lead{font-size:14px;line-height:1.7}}
@media (max-width:600px){.hero .hero-lead{font-size:12.5px;line-height:1.6;margin:16px auto 22px;max-width:94%}}
.hero-actions{display:flex;gap:22px;justify-content:center;align-items:center;flex-wrap:wrap}
.btn{background:var(--accent);color:#fff;padding:13px 28px;border-radius:999px;font-weight:600;transition:filter .2s}
.btn:hover{filter:brightness(1.12)}
.link{text-decoration:underline;text-underline-offset:4px;font-weight:500}
.hero-credit{position:absolute;right:20px;bottom:16px;font-size:12px;color:#bbb;z-index:2}

/* sections */
.section{padding:80px 28px 20px;max-width:1500px;margin:0 auto}
.section h2{font-family:var(--head);font-weight:300;text-transform:uppercase;font-size:clamp(32px,4.5vw,52px);letter-spacing:.02em;margin-bottom:28px}

/* genres */
.genres{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.genre{position:relative;aspect-ratio:4/3;overflow:hidden;border-radius:6px;cursor:pointer;background:var(--bg2)}
.genre img{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.genre:hover img{transform:scale(1.05)}
.genre::after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(0,0,0,.75),transparent 60%)}
.genre .g-txt{position:absolute;left:20px;bottom:16px;z-index:1}
.genre .g-name{font-family:var(--head);font-weight:600;text-transform:uppercase;font-size:28px;letter-spacing:.03em;line-height:1.1}
.genre .g-count{font-size:13px;color:#cfcfd4}

/* featured */
.feat{display:grid;grid-template-columns:2fr 1fr;gap:28px;align-items:end;cursor:pointer}
.feat img{width:100%;max-height:78vh;object-fit:contain;background:#000;border-radius:4px}
.feat figcaption .k{font-family:var(--head);font-weight:600;text-transform:uppercase;font-size:30px;line-height:1.1;margin-bottom:14px}
.meta{list-style:none;font-size:14px;color:var(--muted)}
.meta li{padding:7px 0;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;gap:16px}
.meta li b{color:var(--text);font-weight:500;text-align:right}

/* library */
.lib-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:22px}
.lib-head h2{margin-bottom:0}
.chips{display:flex;gap:8px;flex-wrap:wrap}
.chip{background:#1b1b1e;border:1px solid #2c2c31;color:#ddd;padding:7px 16px;border-radius:999px;font-size:14px;cursor:pointer;font-family:var(--body);transition:.2s}
.chip:hover{border-color:#555}
.chip.on{background:#fff;color:#000;border-color:#fff}
.justified{display:flex;flex-wrap:wrap;gap:6px}
.justified .tile{position:relative;overflow:hidden;background:var(--bg2);cursor:zoom-in;flex:0 0 auto}
.justified .tile img{width:100%;height:100%;object-fit:cover;transition:transform .5s,opacity .5s;opacity:0}
.justified .tile img.ld{opacity:1}
.justified .tile:hover img{transform:scale(1.04)}

/* apps */
.apps{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px}
.app-card{background:var(--bg2);border:1px solid var(--line);border-radius:10px;padding:26px}
.app-card.placeholder{opacity:.55}
.app-icon{width:54px;height:54px;border-radius:14px;background:linear-gradient(135deg,#3d7bfd,#7b5cff);display:grid;place-items:center;font-family:var(--head);font-weight:700;font-size:22px;margin-bottom:16px}
.app-card.placeholder .app-icon{background:#26262b}
.app-card h3{font-family:var(--head);font-weight:600;text-transform:uppercase;font-size:22px;letter-spacing:.02em}
.app-card p{color:var(--muted);font-size:14px;margin:6px 0 14px}
.tag{display:inline-block;font-size:12px;border:1px solid #3a3a40;border-radius:999px;padding:3px 12px;color:#cfcfd4}

/* about / footer */
.about p{max-width:720px;color:#cfcfd4;font-size:17px}
.footer{margin-top:80px;padding:28px;border-top:1px solid var(--line);display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;color:var(--muted);font-size:13px}

/* lightbox */
.lightbox{position:fixed;inset:0;background:rgba(0,0,0,.96);z-index:100;display:none;grid-template-columns:1fr 300px}
.lightbox.open{display:grid}
.lb-stage{display:flex;align-items:center;justify-content:center;padding:40px 70px;min-height:0}
.lb-stage img{max-width:100%;max-height:calc(100vh - 80px);object-fit:contain}
.lb-info{background:#101012;border-left:1px solid var(--line);padding:70px 24px 24px;overflow:auto}
.lb-info .k{font-family:var(--head);font-weight:600;text-transform:uppercase;font-size:22px;margin-bottom:14px}
.lb-close{position:absolute;top:12px;right:316px;background:none;border:0;color:#fff;font-size:38px;cursor:pointer;line-height:1;z-index:2}
.lb-nav{position:absolute;top:50%;transform:translateY(-50%);background:rgba(255,255,255,.06);border:0;color:#fff;font-size:40px;width:52px;height:72px;cursor:pointer;border-radius:4px;z-index:2}
.lb-nav:hover{background:rgba(255,255,255,.14)}
.lb-nav.prev{left:10px}.lb-nav.next{right:310px}

/* responsive */
@media (max-width:900px){
  .nav{position:fixed;top:60px;left:0;right:0;flex-direction:column;gap:0;background:rgba(38,38,40,.97);border-bottom:1px solid var(--line);display:none}
  .nav.open{display:flex}
  .nav a{padding:14px 24px;border-top:1px solid var(--line)}
  .menu-btn{display:block}
  .genres{grid-template-columns:1fr}
  .feat{grid-template-columns:1fr}
  .lightbox{grid-template-columns:1fr;grid-template-rows:1fr auto}
  .lb-info{border-left:0;border-top:1px solid var(--line);padding:16px 20px;max-height:34vh}
  .lb-close{right:12px}.lb-nav.next{right:10px}
  .lb-stage{padding:50px 10px 10px}
  .lb-nav{width:40px;height:56px;font-size:30px}
}
@media (max-width:600px){
  .topbar{padding:0 16px}.section{padding:60px 16px 10px}
  .footer{padding:20px 16px}
}

/* --- grey 35photo-style overrides --- */
body{background:var(--bg) radial-gradient(rgba(255,255,255,.025) 1px,transparent 1px);background-size:3px 3px}
.albums{display:grid;grid-template-columns:repeat(2,1fr);gap:34px 40px}
.album-h{display:flex;align-items:center;gap:14px;margin:0 0 12px 28px}
.album-h .a-name{font-family:var(--head);font-weight:300;text-transform:uppercase;font-size:27px;letter-spacing:.03em;line-height:1}
.pill{background:#5a5a5e;color:#fff;font-weight:600;font-size:15px;border-radius:999px;padding:3px 13px}
.trip{display:grid;grid-template-columns:repeat(3,1fr);gap:2px;cursor:pointer}
.trip img{width:100%;aspect-ratio:1/1;object-fit:cover;transition:filter .3s}
.trip:hover img{filter:brightness(1.08)}
.masonry{column-count:3;column-gap:40px}
.card{break-inside:avoid;margin:0 0 44px;cursor:zoom-in}
.card .when{font-size:14px;color:var(--muted);margin:0 0 8px 2px}
.card img{width:100%;height:auto;box-shadow:0 8px 24px rgba(0,0,0,.38);opacity:0;transition:opacity .5s}
.card img.ld{opacity:1}
.card .cap{padding:11px 20px 0}
.card .cap .t{font-size:15px;font-weight:400;line-height:1.35;color:#d9d9de}
.feat img{background:#2a2a2c;box-shadow:0 8px 24px rgba(0,0,0,.38)}
.app-card{background:#323234}
.lb-info{background:#2c2c2e}
@media (max-width:1200px){.masonry{column-count:2}}
@media (max-width:900px){.albums{grid-template-columns:1fr}.album-h .a-name{font-size:23px}.album-h{margin-left:4px}}
@media (max-width:640px){.masonry{column-count:1}.card{margin-bottom:32px}}

/* --- intro lead + year filter --- */
.intro{padding-top:70px;padding-bottom:0}
.intro .lead{max-width:760px;font-size:clamp(17px,2.2vw,21px);line-height:1.85;color:#dcdce0;font-weight:300}
.intro .lead::first-letter{font-family:var(--head);font-weight:400;font-size:2.4em;line-height:.9;float:left;margin:6px 12px 0 0;color:#fff}
.filters{display:flex;flex-direction:column;gap:10px;align-items:flex-end}
.chips.years{gap:7px}
.chips.years .chip.yr{padding:5px 13px;font-size:13px;background:transparent;border-color:#45454a;color:#bdbdc2}
.chips.years .chip.yr:hover{border-color:#777;color:#eee}
.chips.years .chip.yr.on{background:var(--accent);border-color:var(--accent);color:#fff}
@media (max-width:900px){.filters{align-items:flex-start;width:100%}}

/* --- người xem: chống kéo/giữ/lưu ảnh --- */
img{-webkit-user-drag:none;user-select:none;-webkit-user-select:none;-webkit-touch-callout:none}
.hero-slides img,.trip img,.card img,.feat img,#lbImg,.genre img{pointer-events:auto}

/* --- nút quản lý ở chân trang --- */
.admin-gear{position:absolute;right:20px;bottom:16px;z-index:3;font-size:12px;color:#e6e6ea;cursor:pointer;opacity:.8;transition:.2s;background:rgba(20,20,22,.6);border:1px solid rgba(255,255,255,.25);border-radius:999px;padding:8px 15px;font-family:var(--body);backdrop-filter:blur(5px);box-shadow:0 4px 14px rgba(0,0,0,.3)}
.admin-gear:hover{opacity:1;color:#fff;background:rgba(20,20,22,.8)}
body.admin-on .admin-gear{display:none}
@media (max-width:600px){.admin-gear{bottom:12px;font-size:11px;padding:7px 12px}}

/* --- hộp nhập mật khẩu --- */
.admin-ov{position:fixed;inset:0;background:rgba(0,0,0,.6);backdrop-filter:blur(3px);z-index:200;display:flex;align-items:center;justify-content:center;padding:20px}
.admin-box{background:#2c2c2e;border:1px solid var(--line);border-radius:14px;padding:26px;width:100%;max-width:360px;box-shadow:0 18px 50px rgba(0,0,0,.5)}
.admin-box h3{font-family:var(--head);font-weight:400;text-transform:uppercase;font-size:22px;letter-spacing:.02em;margin-bottom:10px}
.admin-box .hint{color:var(--muted);font-size:13px;margin-bottom:14px;line-height:1.5}
.admin-box input{width:100%;background:#1b1b1e;border:1px solid #3a3a40;color:#fff;border-radius:9px;padding:11px 13px;font-size:15px;margin-bottom:10px;font-family:var(--body)}
.admin-box input:focus{outline:none;border-color:var(--accent)}
.admin-msg{color:#ff8a8a;font-size:13px;min-height:18px;margin-bottom:6px}
.admin-row{display:flex;gap:10px;align-items:center}
.btn.sm{padding:9px 18px;font-size:14px;border:0;cursor:pointer}

/* --- thanh quản trị dưới cùng --- */
#adminBar{position:fixed;left:0;right:0;bottom:0;z-index:150;background:rgba(24,24,26,.97);backdrop-filter:blur(8px);border-top:1px solid var(--line);padding:12px 18px}
body.admin-on{padding-bottom:110px}
.ab-in{display:flex;align-items:center;gap:12px;flex-wrap:wrap;max-width:1500px;margin:0 auto}
.ab-in strong{font-family:var(--head);font-weight:500;text-transform:uppercase;letter-spacing:.03em;font-size:15px;color:#fff}
.ab-file{background:#1b1b1e;border:1px solid #3a3a40;color:#ddd;padding:8px 14px;border-radius:999px;font-size:13px;cursor:pointer}
.ab-file input{display:none}
.ab-cats{display:flex;gap:4px 12px;flex-wrap:wrap;max-width:560px}
.ab-cats label{font-size:12.5px;color:#cfcfd4;display:flex;align-items:center;gap:5px;cursor:pointer}
.ab-cats input{accent-color:var(--accent)}
#admDate{background:#1b1b1e;border:1px solid #3a3a40;color:#ddd;border-radius:8px;padding:7px 10px;font-size:13px;font-family:var(--body);color-scheme:dark}
.ab-stat{font-size:12.5px;color:var(--muted)}
.ab-msg{max-width:1500px;margin:8px auto 0;font-size:13px;color:#8ad28a;min-height:16px}
.ab-count{max-width:1500px;margin:8px auto 0;font-size:13px;color:#9fd4ff;letter-spacing:.01em;font-weight:500}
.lb-admin{margin-top:20px;display:flex;flex-direction:column;gap:9px}
.lb-admin button{padding:10px 14px;border-radius:9px;border:1px solid var(--line);background:#1b1b1e;color:#eee;cursor:pointer;font-size:14px;font-family:var(--body);transition:.2s}
.lb-admin button:hover{border-color:#888;background:#26262b}
.lb-admin button.danger{border-color:#a33;color:#ff9b9b}
.lb-admin button.danger:hover{background:#3a1f1f}
.lb-hid{color:#ffd27a;font-size:13px;background:rgba(0,0,0,.4);padding:6px 10px;border-radius:7px;text-align:center}
.empty-note{column-span:all;text-align:center;color:var(--muted);font-size:16px;padding:48px 14px;line-height:1.6}

/* --- nút xoá trên thẻ ảnh (chế độ quản trị) --- */
.card{position:relative}
.card .del{position:absolute;top:8px;right:8px;z-index:3;width:34px;height:34px;border-radius:50%;border:0;background:rgba(210,40,40,.92);color:#fff;font-size:22px;line-height:1;cursor:pointer;display:grid;place-items:center;box-shadow:0 2px 10px rgba(0,0,0,.4)}
.card .del:hover{background:#e23}
.imgwrap{position:relative}
.hid-badge{position:absolute;left:8px;top:8px;z-index:2;background:rgba(0,0,0,.72);color:#ffd27a;font-size:11px;font-weight:500;padding:4px 9px;border-radius:7px;letter-spacing:.01em}
.card.is-hidden img{filter:grayscale(.25) brightness(.78)}
.admin-tools{display:flex;gap:7px;margin:8px 2px 0}
.admin-tools button{font-size:12.5px;padding:5px 13px;border-radius:999px;border:1px solid var(--line);background:#1b1b1e;color:#e2e2e6;cursor:pointer;font-family:var(--body);transition:.2s}
.admin-tools button:hover{border-color:#888;background:#26262b}
.mv-cats{display:flex;flex-direction:column;gap:9px;margin-bottom:12px}
.mv-cats label{font-size:14.5px;display:flex;gap:9px;align-items:center;cursor:pointer;color:#ddd}
.mv-cats input{accent-color:var(--accent);width:17px;height:17px}
@media (max-width:640px){#adminBar{padding:10px 12px}.ab-cats{max-width:none}body.admin-on{padding-bottom:160px}}