/* Chọn ảnh — Phương Nguyễn Studio. Màu thương hiệu: xanh lá nhạt + vàng champagne. */
:root{
  --ivory:#f5f8ef;--white:#fdfffb;--blush:#d3e6c7;--blush-soft:#e4f1d9;
  --champagne:#b08a4f;--champagne-soft:#c9ad7d;--green:#5f8b54;--green-deep:#4c7845;
  --ink:#34402d;--muted:#6b7266;--line:#d9e7cc;--danger:#b4442f;
  --serif:"Playfair Display",Georgia,"Times New Roman",serif;
  --sans:"Be Vietnam Pro",system-ui,-apple-system,"Segoe UI",sans-serif;
  --radius:12px;--shadow:0 10px 30px rgba(52,64,45,.12);
  --bg:var(--ivory);--card:var(--white);--text:var(--ink);--sub:var(--muted);--border:var(--line);
}
body.dark{
  --bg:#141613;--card:#1d201b;--text:#f3efe6;--sub:#b7b3a8;--border:#33372f;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font:15px/1.55 var(--sans)}
a{color:inherit}
button,input,textarea,select{font:inherit;color:inherit}
h1,h2,h3{font-family:var(--serif);font-weight:600;line-height:1.25;margin:0}
.wrap{max-width:1180px;margin:0 auto;padding:0 16px}
.muted{color:var(--sub)}
.hidden{display:none!important}

/* Nút */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:40px;padding:8px 16px;
  border-radius:999px;border:1px solid var(--border);background:var(--card);cursor:pointer;font-size:14px;
  font-weight:500;text-decoration:none;white-space:nowrap;transition:background .2s,border-color .2s,transform .1s}
.btn:hover{border-color:var(--champagne-soft)}
.btn:active{transform:scale(.97)}
.btn.primary{background:var(--green);border-color:var(--green);color:#fff}
.btn.primary:hover{background:var(--green-deep)}
.btn.gold{background:var(--champagne);border-color:var(--champagne);color:#fff}
.btn.danger{color:var(--danger)}
.btn.small{min-height:36px;padding:6px 12px;font-size:13px}
.btn[disabled]{opacity:.5;pointer-events:none}
.icon{width:18px;height:18px;flex:none}

/* Ô nhập */
.field{display:block;margin-bottom:14px}
.field>span{display:block;font-size:13px;font-weight:600;margin-bottom:6px}
.field small{display:block;color:var(--sub);font-size:12.5px;margin-top:4px}
.input{width:100%;min-height:44px;padding:10px 12px;border:1px solid var(--border);border-radius:10px;background:var(--card)}
.input:focus{outline:2px solid var(--champagne-soft);outline-offset:0;border-color:var(--champagne-soft)}
textarea.input{min-height:110px;resize:vertical}
.check{display:flex;gap:10px;align-items:flex-start;margin-bottom:12px;cursor:pointer;font-size:14px}
.check input{width:20px;height:20px;margin:1px 0 0;accent-color:var(--green)}

/* Thông báo nhỏ */
.toast{position:fixed;left:50%;bottom:24px;transform:translate(-50%,20px);opacity:0;z-index:999;
  background:#2b3326;color:#fff;padding:12px 18px;border-radius:12px;font-size:14px;max-width:calc(100% - 32px);
  box-shadow:var(--shadow);transition:all .25s}
.toast.show{opacity:1;transform:translate(-50%,0)}
.toast.err{background:var(--danger)}

/* Hộp thoại */
.modal{position:fixed;inset:0;z-index:500;background:rgba(20,22,19,.55);display:flex;align-items:center;justify-content:center;padding:16px}
.modal .box{background:var(--card);color:var(--text);width:100%;max-width:520px;max-height:calc(100vh - 32px);overflow:auto;
  border-radius:16px;padding:22px;box-shadow:var(--shadow)}
.modal h2{font-size:22px;margin-bottom:14px}
.modal .actions{display:flex;gap:10px;justify-content:flex-end;flex-wrap:wrap;margin-top:18px}

/* ================= TRANG STUDIO ================= */
.topbar{background:var(--white);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50}
.topbar .wrap{display:flex;align-items:center;gap:12px;min-height:62px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--serif);font-size:19px;font-weight:600;text-decoration:none;margin-right:auto}
.brand .logo{width:34px;height:34px;border-radius:8px;background:var(--green);color:#f1e2c8;display:grid;place-items:center;font-size:15px}
.nav{display:flex;gap:6px;flex-wrap:wrap}
.nav a{padding:8px 12px;border-radius:999px;text-decoration:none;font-size:14px;color:var(--muted)}
.nav a.on,.nav a:hover{background:var(--blush-soft);color:var(--green-deep)}
.page-head{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin:26px 0 16px}
.page-head h1{font-size:30px}
.stats{display:flex;gap:18px;flex-wrap:wrap;background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:12px 16px;font-size:14px;margin-bottom:14px}
.filters{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin-bottom:16px}
.chip{display:inline-flex;align-items:center;gap:6px;min-height:38px;padding:6px 14px;border-radius:999px;border:1px solid var(--border);
  background:var(--card);cursor:pointer;font-size:14px}
.chip b{font-weight:600;background:var(--blush-soft);color:var(--green-deep);border-radius:999px;padding:0 8px;font-size:12.5px}
.chip.on{background:var(--green);border-color:var(--green);color:#fff}
.chip.on b{background:rgba(255,255,255,.22);color:#fff}
.search{flex:1;min-width:200px}
.albums{display:grid;gap:12px;padding-bottom:40px}
.album{display:flex;gap:14px;background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:12px}
.album .cover{width:96px;height:96px;flex:none;border-radius:10px;object-fit:cover;background:var(--blush-soft)}
.album .info{min-width:0;flex:1}
.album h3{font-size:18px;margin-bottom:2px;overflow-wrap:anywhere}
.album h3 a{text-decoration:none}
.album h3 a:hover{color:var(--green)}
.album .meta{font-size:13px;color:var(--muted);margin-bottom:4px}
.album .counts{font-size:14px;margin-bottom:8px}
.album .counts .sel{color:var(--green-deep);font-weight:600}
.album .tools{display:flex;gap:6px;flex-wrap:wrap}
.badge{display:inline-flex;align-items:center;gap:4px;font-size:12px;font-weight:600;border-radius:999px;padding:2px 9px;margin-left:6px;vertical-align:middle}
.badge.done{background:#e3f3dc;color:#2f6b28}
.badge.tiec{background:#f4ead8;color:#7a5a26}
.empty{text-align:center;padding:50px 16px;color:var(--muted)}
.login{max-width:400px;width:calc(100% - 32px);margin:10vh auto;background:var(--white);border:1px solid var(--line);border-radius:16px;padding:26px;box-shadow:var(--shadow)}
.login h1{font-size:26px;margin-bottom:6px}
.share-link{display:flex;gap:8px}
.share-link .input{font-size:13px}
.qr{display:grid;place-items:center;margin:14px 0}
.qr canvas,.qr img{width:200px;height:200px}
@media (max-width:600px){
  .album{flex-direction:column}
  .album .cover{width:100%;height:160px}
  .page-head h1{font-size:25px}
}

/* ================= TRANG KHÁCH XEM ẢNH ================= */
.hero{position:relative;height:100svh;min-height:480px;display:flex;align-items:flex-end;justify-content:center;text-align:center;
  color:#fff;overflow:hidden;background:#111}
.hero img.bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.72}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.35),rgba(0,0,0,.05) 35%,rgba(0,0,0,.7))}
.hero .top{position:absolute;top:22px;left:0;right:0;z-index:2;font-size:12px;letter-spacing:.3em;text-transform:uppercase}
.hero .inner{position:relative;z-index:2;padding:0 16px 54px}
.hero h1{font-size:clamp(28px,6vw,52px);text-shadow:0 2px 20px rgba(0,0,0,.4)}
.hero .date{opacity:.85;margin:8px 0 22px;font-size:14px}
.hero .go{display:inline-flex;flex-direction:column;align-items:center;gap:4px;color:#fff;text-decoration:none;font-size:13px;letter-spacing:.12em}
.hero .go svg{animation:bob 1.6s infinite}
@keyframes bob{50%{transform:translateY(5px)}}

.bar{position:sticky;top:0;z-index:40;background:rgba(20,22,19,.94);backdrop-filter:blur(8px);border-bottom:1px solid var(--border)}
.bar .row1{display:flex;align-items:center;gap:8px;flex-wrap:wrap;padding:10px 0}
.bar .count{font-weight:600;font-size:15px;margin-right:auto}
.bar .count em{font-style:normal;color:var(--champagne-soft)}
.bar .save-state{font-size:12.5px;color:var(--sub);margin-left:6px;font-weight:400}
.tabs{display:flex;gap:4px;overflow-x:auto;scrollbar-width:none;padding-bottom:2px}
.tabs::-webkit-scrollbar{display:none}
.tab{flex:none;background:none;border:0;border-bottom:2px solid transparent;padding:10px 10px;cursor:pointer;color:var(--sub);
  font-size:13.5px;font-weight:600;letter-spacing:.03em;text-transform:uppercase;min-height:42px}
.tab.on{color:var(--text);border-color:var(--champagne)}
.subbar{display:flex;gap:8px;align-items:center;padding:8px 0 10px;overflow-x:auto;scrollbar-width:none}
.subbar::-webkit-scrollbar{display:none}
.subbar .chip{flex:none}
.subbar .chip{min-height:34px;font-size:13px;background:transparent}
.subbar .chip.on{background:var(--champagne);border-color:var(--champagne)}
.subbar .input{flex:none;min-height:36px;width:170px;padding:6px 12px;background:transparent;font-size:14px}
body.dark .btn{background:#262a23;border-color:#3a3f35;color:var(--text)}
body.dark .btn.primary{background:var(--green);border-color:var(--green);color:#fff}
body.dark .btn.gold{background:var(--champagne);border-color:var(--champagne);color:#fff}
body.dark .input{background:#1d201b}

.grid{display:grid;grid-template-columns:repeat(2,1fr);gap:6px;padding:8px 0 90px}
@media (min-width:640px){.grid{grid-template-columns:repeat(3,1fr);gap:8px}}
@media (min-width:980px){.grid{grid-template-columns:repeat(4,1fr)}}
@media (min-width:1400px){.grid{grid-template-columns:repeat(5,1fr)}}
.ph{position:relative;aspect-ratio:2/3;background:#22261f;border-radius:6px;overflow:hidden;cursor:zoom-in}
.ph img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .4s}
.ph img.land{object-fit:contain;background:#0f110e}
.ph:hover img{transform:scale(1.03)}
.ph.sel{outline:3px solid #3fae4a;outline-offset:-3px}
.ph .name{position:absolute;left:6px;bottom:6px;background:rgba(0,0,0,.6);color:#fff;font-size:12px;padding:2px 7px;border-radius:6px}
.ph .like,.ph .pick{position:absolute;border:0;cursor:pointer;display:grid;place-items:center;color:#fff}
.ph .like{top:6px;left:6px;width:40px;height:40px;border-radius:50%;background:rgba(0,0,0,.4)}
.ph .like.on{color:#ff5a7a}
.ph .like.on svg{fill:currentColor}
.ph .pick{right:6px;bottom:6px;min-width:40px;height:40px;border-radius:999px;padding:0 12px;gap:4px;background:rgba(0,0,0,.5);
  font-size:12.5px;font-weight:600;display:flex;align-items:center}
.ph .pick.on{background:#2f9d3b}
.ph .tag{position:absolute;top:8px;right:8px;background:#2f9d3b;color:#fff;font-size:11.5px;font-weight:700;padding:2px 8px;border-radius:6px;letter-spacing:.04em}
.more{text-align:center;padding:10px 0 30px;color:var(--sub);font-size:14px}

.fab{position:fixed;right:16px;bottom:18px;z-index:45;display:flex;gap:8px;flex-direction:column;align-items:flex-end}
.fab .btn{box-shadow:0 8px 24px rgba(0,0,0,.35)}

/* Xem ảnh lớn */
.lb{position:fixed;inset:0;z-index:300;background:#0b0c0a;display:flex;flex-direction:column;touch-action:pan-y}
.lb .lb-top{display:flex;align-items:center;gap:10px;padding:10px 12px;color:#ddd;font-size:14px}
.lb .lb-top .t{margin-right:auto;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.lb .stage{flex:1;position:relative;display:flex;align-items:center;justify-content:center;min-height:0}
.lb .stage img{max-width:100%;max-height:100%;object-fit:contain;user-select:none;-webkit-user-drag:none}
.lb .nav-btn{position:absolute;top:50%;transform:translateY(-50%);width:48px;height:48px;border-radius:50%;border:0;
  background:rgba(255,255,255,.12);color:#fff;cursor:pointer;display:grid;place-items:center}
.lb .prev{left:10px}.lb .next{right:10px}
.lb .lb-bottom{display:flex;align-items:center;justify-content:center;gap:10px;padding:12px 12px calc(14px + env(safe-area-inset-bottom));flex-wrap:wrap}
.lb .round{width:52px;height:52px;border-radius:50%;border:0;background:#2a2d27;color:#fff;cursor:pointer;display:flex;flex-direction:column;
  align-items:center;justify-content:center;font-size:11px;gap:1px;text-decoration:none}
.lb .round.on{color:#ff5a7a}
.lb .round.on svg{fill:currentColor}
.lb .choose{min-height:52px;padding:6px 26px;border-radius:999px;border:0;background:#2f9d3b;color:#fff;font-weight:600;cursor:pointer;
  display:flex;flex-direction:column;align-items:center;justify-content:center;line-height:1.25;min-width:200px}
.lb .choose small{font-weight:400;font-size:11.5px;opacity:.85}
.lb .choose.on{background:#fff;color:#1d6b26}
.lb .pos{color:#aaa;font-size:13px;width:100%;text-align:center}
@media (max-width:600px){.lb .nav-btn{display:none}.lb .choose{min-width:0;flex:1}}

/* ================= LỌC ẢNH ================= */
.steps{display:grid;gap:14px;grid-template-columns:1fr;padding-bottom:40px}
@media (min-width:980px){.steps{grid-template-columns:1fr 1.2fr 1fr}}
.step{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:18px}
.step h2{font-size:19px;display:flex;align-items:center;gap:10px;margin-bottom:6px}
.step h2 .n{width:28px;height:28px;border-radius:50%;background:var(--green);color:#fff;display:grid;place-items:center;font:600 14px var(--sans)}
.step p.desc{font-size:13.5px;color:var(--muted);margin:0 0 14px}
.seg{display:flex;background:var(--blush-soft);border-radius:999px;padding:4px;gap:4px;margin-bottom:14px}
.seg button{flex:1;border:0;background:none;border-radius:999px;min-height:38px;cursor:pointer;font-size:14px}
.seg button.on{background:var(--green);color:#fff}
.pick-folder{display:flex;align-items:center;gap:10px;border:1px dashed var(--champagne-soft);border-radius:10px;padding:12px;cursor:pointer;
  background:var(--ivory);width:100%;text-align:left;min-height:48px}
.result-nums{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:12px 0}
.result-nums div{background:var(--ivory);border:1px solid var(--line);border-radius:10px;text-align:center;padding:10px 4px;font-size:12.5px;color:var(--muted)}
.result-nums b{display:block;font-size:22px;color:var(--ink)}
.result-nums .ok b{color:var(--green)}
.result-nums .miss b{color:var(--danger)}
.progress{height:10px;border-radius:999px;background:var(--blush-soft);overflow:hidden;margin:10px 0}
.progress i{display:block;height:100%;width:0;background:var(--green);transition:width .2s}
.log{font-size:13px;max-height:180px;overflow:auto;background:var(--ivory);border-radius:10px;padding:10px;white-space:pre-wrap;overflow-wrap:anywhere}
.warn{background:#fbf1e2;border:1px solid #ecd3a8;color:#6d4c17;border-radius:10px;padding:12px;font-size:14px;margin-bottom:14px}

/* Loại ảnh (60x90 / bìa / bàn / album) */
.tagsum{display:flex;gap:6px 14px;flex-wrap:wrap;font-size:13px;color:var(--sub);padding:0 0 6px}
.tagsum b{color:var(--text);font-weight:600}
.tagsum .full b{color:#7fd38a}
.tagrow{display:flex;gap:6px;flex-wrap:wrap;justify-content:center;width:100%}
.tchip{min-height:40px;padding:6px 12px;border-radius:999px;border:1px solid #4a4f44;background:#22251f;color:#eee;font-size:13px;cursor:pointer}
.tchip.on{background:var(--champagne);border-color:var(--champagne);color:#fff;font-weight:600}
.pnote{width:100%;text-align:center;color:#d8c9a8;font-size:13px;font-style:italic}
.ph .tag{max-width:calc(100% - 56px);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.tag-limits{display:grid;grid-template-columns:repeat(2,1fr);gap:8px}
.tag-limits label{display:flex;flex-direction:column;gap:4px;font-size:13px}
@media (min-width:520px){.tag-limits{grid-template-columns:repeat(4,1fr)}}

/* Logo */
.brand .logo-img{width:40px;height:40px;border-radius:50%;display:block;box-shadow:0 1px 4px rgba(0,0,0,.15)}
.hero .top{display:flex;flex-direction:column;align-items:center;gap:8px}
.hero-logo{width:84px;height:84px;border-radius:50%;box-shadow:0 6px 20px rgba(0,0,0,.35)}
.login .logo-img{width:96px;height:96px;border-radius:50%;margin-bottom:12px}

/* Tiến độ (trang khách) */
.prog{margin:14px 0 6px;padding:14px;border:1px solid var(--border);border-radius:14px;background:var(--card)}
.prog.alert{border-color:var(--champagne);box-shadow:0 0 0 1px var(--champagne) inset}
.steps-bar{display:flex;list-style:none;margin:0 0 10px;padding:0;gap:2px}
.steps-bar li{flex:1;min-width:0;display:flex;flex-direction:column;align-items:center;gap:4px;font-size:12px;line-height:1.3;color:var(--sub);text-align:center;position:relative;overflow-wrap:anywhere}
.steps-bar li span{width:28px;height:28px;border-radius:50%;display:grid;place-items:center;border:1.5px solid var(--border);font-weight:600;background:var(--bg)}
.steps-bar li.done{color:var(--text)}
.steps-bar li.done span{background:#2f9d3b;border-color:#2f9d3b;color:#fff}
.steps-bar li.now{color:var(--text);font-weight:600}
.steps-bar li.now span{background:var(--champagne);border-color:var(--champagne);color:#fff}
.prog-msg{font-size:14px;line-height:1.6}
.prog-msg a{color:var(--champagne-soft)}
.prog-act{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}

/* Tiến độ (trang studio) */
.stage-badge{display:inline-flex;align-items:center;font-size:12.5px;font-weight:600;color:#fff;border-radius:999px;padding:3px 10px}
.stage-row{display:flex;gap:6px;flex-wrap:wrap;align-items:center;margin:2px 0 8px}
.stage-row select{min-height:36px;border-radius:999px;border:1px solid var(--line);padding:4px 10px;background:var(--white);font-size:13px}
.due{font-size:12.5px;color:var(--muted)}
.due.late{color:var(--danger);font-weight:600}
.fixnote{font-size:13px;background:#fbf1e2;border:1px solid #ecd3a8;border-radius:8px;padding:6px 10px;margin-bottom:8px;color:#6d4c17}