/* Nền tảng dùng chung + trang chủ album */
:root{--bg:#f6f4ef;--ink:#1a1816;--mute:#6f6a62;--line:#ddd8cd;--red:#c8312b;--f:Arial,"Helvetica Neue",Helvetica,sans-serif}
*{box-sizing:border-box;margin:0;padding:0;font-style:normal}
html{-webkit-text-size-adjust:100%}
body{font-family:var(--f);background:var(--bg);color:var(--ink);font-size:16px;line-height:1.5}
button,input,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
:focus-visible{outline:3px solid #1d63d6;outline-offset:2px}
.btn{background:var(--ink);color:#fff;border-radius:8px;padding:12px 18px;font-weight:700}
.btn.red{background:var(--red)}
.msg{color:var(--red);font-weight:700;font-size:14px;min-height:20px}
.home{--cream:#fbf4ea;--gold:#b9894a;--ink2:#3a2c22;background:var(--cream);color:var(--ink2);min-height:100vh;display:flex;flex-direction:column}
.hbanner{position:relative;height:clamp(230px,38vw,520px);overflow:hidden;background:#f3d9b8}
.hbanner img{width:100%;height:100%;object-fit:cover;object-position:50% 40%;display:block}
.hbanner::after{content:"";position:absolute;left:0;right:0;bottom:0;height:38%;background:linear-gradient(to bottom,rgba(251,244,234,0),var(--cream))}
.hstaff{position:absolute;right:clamp(12px,3vw,32px);top:14px;z-index:2;color:#5a4636;background:rgba(255,255,255,.72);backdrop-filter:blur(6px);font-size:14px;text-decoration:none;border-radius:999px;padding:7px 14px}
.hstaff:hover{background:#fff}
.hmain{flex:1;width:min(980px,calc(100% - 32px));margin:calc(-1 * clamp(40px,8vw,110px)) auto 0;position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:clamp(18px,3vw,36px);align-items:start}
.hcard{background:#fff;border-radius:18px;padding:clamp(22px,3.4vw,40px);box-shadow:0 18px 50px rgba(120,80,40,.16)}
.hcard h1{font-size:clamp(26px,3.4vw,38px);line-height:1.15;text-wrap:balance;margin-bottom:10px;color:#2b1f17}
.hcard .lead{color:#7a6755;margin-bottom:22px}
.hform label{display:block;font-weight:700;font-size:14px;margin-bottom:8px}
.hrow{display:flex;gap:8px}
.hrow input{flex:1;min-width:0;border:1px solid #dccbb5;border-radius:10px;padding:14px;font-size:16px;background:#fffdf9;color:#2b1f17}
.hrow input::placeholder{color:#a8967f}
.hform .msg{margin-top:8px}
.hcard .btn.red{background:#d62a22;border-radius:10px}
.steps{list-style:none;display:grid;gap:18px;padding:clamp(6px,1vw,14px) 0;margin-top:clamp(50px,8vw,110px);counter-reset:s}
.steps li{display:grid;grid-template-columns:40px 1fr;column-gap:14px;counter-increment:s}
.steps li::before{content:counter(s);grid-row:span 2;width:40px;height:40px;border-radius:50%;background:#fff;border:1px solid var(--gold);color:var(--gold);display:grid;place-content:center;font-weight:700}
.steps b{font-size:17px;color:#2b1f17}.steps span{color:#7a6755;font-size:15px}
.hfoot{text-align:center;color:#8f7b66;font-size:13px;padding:34px 16px 22px}
@media(max-width:760px){.steps{margin-top:0}.hmain{grid-template-columns:1fr}.hrow{flex-direction:column}.hrow .btn{width:100%}}

.hback{position:absolute;left:clamp(12px,3vw,32px);top:14px;z-index:2;color:#5a4636;background:rgba(255,255,255,.72);backdrop-filter:blur(6px);font-size:14px;text-decoration:none;border-radius:999px;padding:7px 14px}
.hback:hover{background:#fff}


/* ===== Trang xem album của khách (kiểu Shotpik, màu K.O.I) ===== */
body.g{--g-bg:#0f0d0c;--g-bg2:#181513;--g-line:#302a25;--g-ink:#f1ece2;--g-mute:#a39b8c;--g-red:#d23a33;--g-red2:#e24a42;background:var(--g-bg);color:var(--g-ink)}
body.g :focus-visible{outline-color:#6aa8ff}
.g-center{min-height:100vh;min-height:100dvh;display:grid;place-content:center;gap:12px;text-align:center;padding:24px;color:var(--g-mute)}
/* trang bìa */
.g-cover{position:relative;min-height:100vh;min-height:100dvh;display:grid;place-items:center;overflow:hidden;background:radial-gradient(120% 90% at 20% 10%,#4a3429,#14110f 70%);color:#fff;text-align:center}
.g-cover>img.bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.g-cover::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(10,8,7,.55),rgba(10,8,7,.12) 45%,rgba(10,8,7,.3))}
.g-cover .logo{position:absolute;z-index:2;left:clamp(16px,3vw,36px);top:clamp(14px,2.4vw,28px);height:26px;width:auto}
.g-cover .mid{position:relative;z-index:2;display:grid;gap:22px;justify-items:center;padding:0 20px}
.g-cover h1{font-size:clamp(30px,5.4vw,60px);line-height:1.12;font-weight:500;text-wrap:balance;overflow-wrap:anywhere;text-shadow:0 2px 24px rgba(0,0,0,.45)}
.g-cover .go{border:1px solid rgba(255,255,255,.7);background:rgba(20,16,14,.4);backdrop-filter:blur(6px);color:#fff;border-radius:8px;padding:11px 26px;font-size:16px}
.g-cover .go:hover{background:rgba(255,255,255,.18)}
.g-cover .who{position:absolute;z-index:2;left:0;right:0;bottom:clamp(28px,9vh,96px);font-size:clamp(17px,2vw,22px);font-weight:500;text-shadow:0 1px 14px rgba(0,0,0,.5)}
/* nhập mật khẩu album / nhập tên */
.g-gate{min-height:100vh;min-height:100dvh;display:grid;place-content:center;padding:24px;background:#131211}
.g-gate form{width:min(400px,calc(100vw - 48px));display:grid;gap:14px;text-align:center}
.g-gate h1{font-size:clamp(24px,3.2vw,30px);line-height:1.2;color:#c7d2ec;font-weight:600;text-wrap:balance}
.g-gate p{color:#8993ac;font-size:15px}
.g-gate input{background:#131211;border:1px solid #3a3835;border-radius:10px;padding:15px 16px;font-size:17px;color:var(--g-ink);width:100%}
.g-gate input::placeholder{color:#5c5953}
.g-gate .gb{background:var(--g-red);color:#fff;border-radius:10px;padding:15px;font-weight:700;font-size:17px;margin-top:10px}
.g-gate .gb:hover{background:var(--g-red2)}.g-gate .gb[disabled]{opacity:.55;cursor:default}
.g-gate .msg{color:#ff9a90;min-height:20px}
.g-gate .back{color:var(--g-mute);font-size:14px;text-decoration:underline;margin-top:6px}
/* thanh trên + tab thư mục */
.g-top{position:sticky;top:0;z-index:20;background:rgba(15,13,12,.94);backdrop-filter:blur(8px);border-bottom:1px solid var(--g-line);padding:10px clamp(12px,2.4vw,28px);display:flex;gap:10px 18px;flex-wrap:wrap;align-items:center}
.g-top .ttl{flex:1 1 200px;min-width:0}.g-top .ttl b{display:block;font-size:18px;line-height:1.25;overflow-wrap:anywhere}.g-top .ttl span{color:var(--g-mute);font-size:13px}
.g-top .count{font-weight:700;white-space:nowrap;font-size:14px;color:var(--g-ink)}
.g-act{display:flex;gap:8px;flex-wrap:wrap}
.g-btn{border:1px solid #5b5347;border-radius:8px;padding:8px 14px;font-weight:700;font-size:14px;color:var(--g-ink);background:transparent}
.g-btn:hover{background:#2a2520}.g-btn.red{background:var(--g-red);border-color:var(--g-red)}.g-btn.red:hover{background:var(--g-red2)}
.g-btn[disabled]{opacity:.5;cursor:default}
.g-sub{display:flex;gap:6px 20px;flex-wrap:wrap;align-items:center;justify-content:space-between;padding:0 clamp(12px,2.4vw,28px);border-bottom:1px solid var(--g-line);background:var(--g-bg)}
.g-tabs{display:flex;gap:2px;overflow-x:auto;scrollbar-width:none}.g-tabs::-webkit-scrollbar{display:none}
.g-tabs button{padding:12px 14px;color:var(--g-mute);font-size:15px;white-space:nowrap;border-bottom:2px solid transparent;margin-bottom:-1px}
.g-tabs button[aria-selected=true]{color:#fff;border-bottom-color:var(--g-red)}
.g-chips{display:flex;gap:6px;flex-wrap:wrap;padding:8px 0}
.g-chip{border:1px solid #4a433a;border-radius:999px;padding:5px 12px;font-size:13px;font-weight:700;color:var(--g-mute)}
.g-chip[aria-pressed=true]{background:#efe8da;color:#14110f;border-color:#efe8da}
.g-banner{background:#1d2a1b;border-bottom:1px solid #35592f;color:#bfe8ba;padding:10px clamp(12px,2.4vw,28px);font-weight:700;font-size:14px}
/* lưới ảnh */
.g-grid{padding:clamp(6px,1vw,12px);column-width:280px;column-gap:clamp(6px,.8vw,10px)}
.gph{break-inside:avoid;margin:0 0 clamp(6px,.8vw,10px);position:relative;background:#1d1a17;overflow:hidden;display:block}
.gph img{display:block;width:100%;height:auto;background:#1d1a17}
.gph .open{display:block;width:100%;position:relative}
.gph .hrt{position:absolute;left:8px;top:8px;width:38px;height:38px;border-radius:50%;background:rgba(15,13,12,.62);display:grid;place-content:center;opacity:0;transition:opacity .15s}
.gph:hover .hrt,.gph .hrt:focus-visible,.gph .hrt[aria-pressed=true]{opacity:1}
@media(hover:none){.gph .hrt{opacity:1}}
.hrt svg{width:21px;height:21px;fill:none;stroke:#fff;stroke-width:2}
.hrt[aria-pressed=true] svg{fill:var(--g-red);stroke:var(--g-red)}
.gph .cb{position:absolute;left:8px;bottom:8px;background:rgba(0,0,0,.66);color:#fff;border-radius:999px;font-size:12px;font-weight:700;padding:3px 9px}
.gph .bad{display:grid;place-content:center;min-height:140px;color:var(--g-mute);font-size:14px;padding:12px;text-align:center}
.g-wm{position:absolute;inset:0;pointer-events:none;background-repeat:repeat;background-size:200px 120px;opacity:.9}
.g-empty{padding:70px 20px;text-align:center;color:var(--g-mute)}
/* xem ảnh lớn */
.g-lb{position:fixed;inset:0;z-index:50;background:#000;color:#fff;display:grid;place-items:center;overflow:hidden}
.g-lb .iw{position:relative;display:inline-block;line-height:0;max-width:100vw}
.g-lb .iw img{max-width:100vw;max-height:calc(100vh - 118px);max-height:calc(100dvh - 118px);object-fit:contain;display:block}
.g-lb .top{position:absolute;left:0;right:0;top:0;display:flex;justify-content:space-between;align-items:center;padding:14px 16px;font-size:14px;z-index:3;pointer-events:none}
.g-lb .top>*{pointer-events:auto}
.g-lb .x{width:44px;height:44px;border-radius:50%;font-size:26px;line-height:1;color:#fff}
.g-lb .x:hover{background:rgba(255,255,255,.14)}
.g-lb .nv{position:absolute;top:50%;transform:translateY(-50%);width:56px;height:90px;font-size:46px;line-height:1;color:#fff;z-index:3}
.g-lb .nv:hover{background:rgba(255,255,255,.1)}.g-lb .pv{left:0}.g-lb .nx{right:0}
.g-lb .bot{position:absolute;left:0;right:0;bottom:0;display:flex;justify-content:space-between;align-items:flex-end;gap:12px;padding:12px 16px 14px;z-index:3;background:linear-gradient(to top,rgba(0,0,0,.7),transparent)}
.g-lb .fn{font-size:14px;color:#e6dfd2;overflow-wrap:anywhere;min-width:0}
.g-lb .ia-row{display:flex;gap:4px;flex:none}
.g-lb .ia{display:grid;justify-items:center;gap:2px;min-width:62px;padding:6px 10px;font-size:11px;color:#fff;border-radius:8px;position:relative}
.g-lb .ia:hover{background:rgba(255,255,255,.12)}
.g-lb .ia svg{width:24px;height:24px;fill:none;stroke:#fff;stroke-width:1.8}
.g-lb .ia[aria-pressed=true] svg{fill:var(--g-red);stroke:var(--g-red)}
.g-lb .ia .n{position:absolute;right:8px;top:2px;background:var(--g-red);border-radius:999px;font-size:10px;font-weight:700;padding:0 5px;line-height:15px}
/* hộp thoại */
.g-bg{position:fixed;inset:0;z-index:60;background:rgba(0,0,0,.62);display:grid;place-content:center;padding:16px}
.g-dlg{position:relative;background:#1b1a19;color:var(--g-ink);border-radius:14px;padding:26px 26px 22px;width:min(520px,calc(100vw - 32px));display:grid;gap:14px;max-height:92vh;overflow:auto}
.g-dlg h2{font-size:clamp(22px,3vw,28px);line-height:1.2;color:#ff6a55;padding-right:34px}
.g-dlg .dx{position:absolute;right:14px;top:14px;width:36px;height:36px;border-radius:50%;color:#8a97a6;font-size:22px}.g-dlg .dx:hover{background:#2a2825}
.g-dlg label{display:grid;gap:8px;font-size:16px;color:#e6e1d8}
.g-dlg textarea,.g-dlg input{width:100%;background:#111;border:1px solid #38352f;border-radius:10px;padding:13px 14px;color:var(--g-ink);font-size:16px}
.g-dlg textarea{min-height:92px;resize:vertical}
.g-dlg .cnt{color:var(--g-mute);font-size:13px;text-align:right;margin-top:-6px}
.g-dlg .prev{display:grid;gap:6px;max-height:160px;overflow:auto}
.g-dlg .cmx{background:#262421;border-radius:8px;padding:9px 12px;font-size:14px;overflow-wrap:anywhere;white-space:pre-wrap}
.g-dlg .row{display:flex;gap:8px;justify-content:flex-end;flex-wrap:wrap}
.g-dlg .save{display:inline-flex;align-items:center;gap:8px;background:#3aa776;color:#fff;border-radius:10px;padding:11px 22px;font-weight:700}
.g-dlg .save:hover{background:#44b784}.g-dlg .save[disabled]{opacity:.55}
.g-dlg .save svg{width:20px;height:20px;fill:none;stroke:#fff;stroke-width:1.8}
.g-dlg .ghost{border:1px solid #4a463f;border-radius:10px;padding:11px 20px;font-weight:700}
.g-dlg .sendb{background:var(--g-red);color:#fff;border-radius:10px;padding:11px 20px;font-weight:700}
.g-dlg p{color:#d3cdc1}
.g-toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%);background:#efe8da;color:#14110f;border-radius:8px;padding:12px 18px;z-index:70;font-size:14px;font-weight:700;max-width:calc(100vw - 32px)}
@media(max-width:760px){
 .g-grid{column-width:150px}
 .g-lb .nv{width:42px;height:70px;font-size:36px}
 .g-lb .iw img{max-height:calc(100vh - 150px);max-height:calc(100dvh - 150px)}
 .g-lb .bot{flex-direction:column;align-items:stretch}.g-lb .ia-row{justify-content:flex-end}
 .g-dlg{padding:22px 18px 18px}
}
@media(prefers-reduced-motion:reduce){.gph .hrt{transition:none}}