:root{
  --bg:#f4f2ee;--paper:#fff;--ink:#17161a;--ink2:#4a4850;--mute:#94919b;--line:#e8e5df;--soft:#faf9f6;
  --acc:#ff5a36;--acc2:#ff8a3d;--accbg:#fff1ec;--ok:#22a861;--warn:#e6a100;--bad:#e5484d;
  --r:20px;--sh:0 1px 2px #1a17120a,0 8px 28px #1a171210;
}
*{box-sizing:border-box}
[hidden]{display:none!important}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font:14px/1.6 -apple-system,BlinkMacSystemFont,"SF Pro Text","PingFang SC","Microsoft YaHei",sans-serif;-webkit-font-smoothing:antialiased}
a{color:inherit}
button{font:inherit;color:inherit}
svg{fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}

/* ---------- nav ---------- */
.nav{position:sticky;top:0;z-index:10;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 28px;background:#f4f2eecc;backdrop-filter:blur(14px);border-bottom:1px solid #00000008}
.brand{display:flex;align-items:center;gap:11px}
.brand b{font-size:15px;letter-spacing:.2px}.brand small{display:block;font-size:11.5px;color:var(--mute);line-height:1.2}
.logo{width:38px;height:38px;border-radius:12px;background:linear-gradient(135deg,var(--acc),var(--acc2));display:grid;place-items:center;box-shadow:0 6px 16px #ff5a3640}
.logo svg{width:21px;height:21px;stroke:#fff;fill:#ffffff30}
.seg{display:flex;background:#e9e6e0;border-radius:12px;padding:3px}
.seg button{border:0;background:none;padding:7px 15px;border-radius:9px;cursor:pointer;color:var(--ink2);display:flex;align-items:center;gap:6px;font-size:13px;transition:.15s}
.seg button.on{background:var(--paper);color:var(--ink);box-shadow:0 1px 3px #0000001a;font-weight:600}
.dot{width:7px;height:7px;border-radius:50%;background:#c9c5bd}.dot.ok{background:var(--ok)}.dot.cool{background:var(--warn)}
.nav-r{display:flex;align-items:center;gap:6px}
.ghost{text-decoration:none;padding:7px 12px;border-radius:10px;color:var(--ink2);font-size:13px}.ghost:hover{background:#0000000a}
.ghost b{font-weight:600;color:var(--acc)}
.shield{display:flex;align-items:center;gap:5px;font-size:12px;padding:5px 10px;border-radius:20px;background:#ececec;color:var(--mute)}
.shield svg{width:14px;height:14px}
.shield.on{background:#e7f6ee;color:var(--ok)}.shield.on svg{fill:#22a86122}
.shield.err{background:#fdecec;color:var(--bad)}
@media(max-width:860px){.nav{flex-wrap:wrap;padding:10px 14px}.brand small,.shield span{display:none}}

/* ---------- studio ---------- */
.studio{max-width:1320px;margin:22px auto 0;padding:0 28px;display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:22px;align-items:start}
@media(max-width:1000px){.studio{grid-template-columns:1fr;padding:0 14px}}
.slots{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.slot,.panel,.stage{background:var(--paper);border-radius:var(--r);box-shadow:var(--sh)}
.slot{padding:14px}
.slot-hd{display:flex;align-items:center;gap:8px;margin:0 2px 10px}
.num{font:700 11px/1 ui-monospace,Menlo,monospace;color:var(--acc);background:var(--accbg);padding:4px 6px;border-radius:6px}
.slot-hd b{font-size:15px}
.link{margin-left:auto;border:0;background:none;color:var(--ink2);cursor:pointer;font-size:12.5px;padding:4px 6px;border-radius:8px}.link:hover{background:var(--soft);color:var(--acc)}
.cnt{color:var(--mute)}
.drop{position:relative;display:grid;place-items:center;aspect-ratio:3/4;border-radius:14px;cursor:pointer;overflow:hidden;
  background:repeating-linear-gradient(45deg,#faf9f6 0 10px,#f6f4f0 10px 20px);border:1.5px dashed #ddd8cf;transition:.18s}
.drop:hover,.drop.over{border-color:var(--acc);background:var(--accbg)}
.drop.filled{border-style:solid;border-color:transparent;background:#f7f6f3}
.drop img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain}
.ph{display:flex;flex-direction:column;align-items:center;gap:4px;color:var(--mute);text-align:center;padding:16px}
.ph svg{width:30px;height:30px;padding:9px;box-sizing:content-box;background:var(--paper);border-radius:50%;box-shadow:var(--sh);color:var(--acc);margin-bottom:6px}
.ph b{color:var(--ink2);font-size:13.5px}.ph span{font-size:12px}
.badge{position:absolute;left:10px;bottom:10px;font-size:11.5px;padding:3px 9px;border-radius:20px;background:#ffffffe6;backdrop-filter:blur(6px);box-shadow:0 1px 4px #0002}
.badge.ok{color:var(--ok)}.badge.bad{color:var(--bad)}.badge.wait{color:var(--mute)}
.clear{position:absolute;top:10px;right:10px;width:28px;height:28px;border-radius:50%;border:0;background:#0000006b;color:#fff;cursor:pointer;font-size:12px;opacity:0;transition:.15s}
.drop:hover .clear{opacity:1}
.strip{display:grid;grid-template-columns:repeat(6,1fr);gap:6px;margin-top:10px}
.strip img{width:100%;aspect-ratio:3/4;object-fit:cover;border-radius:8px;cursor:pointer;background:#f0eee9;outline:2px solid transparent;outline-offset:-2px;transition:.12s}
.strip img:hover{transform:translateY(-2px)}.strip img.sel,.libgrid img.sel{outline-color:var(--acc)}

.panel{padding:16px 18px;margin-top:16px}
.row{display:flex;gap:14px;align-items:flex-end;flex-wrap:wrap;margin-bottom:12px}
.field{display:flex;flex-direction:column;gap:5px;font-size:12px;color:var(--ink2)}.field.grow{flex:1}
.field em{font-style:normal;color:var(--mute)}
.field input[type=text],.field input[type=number]{border:1px solid var(--line);background:var(--soft);border-radius:10px;padding:9px 11px;font:inherit;font-size:13.5px;width:120px;transition:.15s}
.field.grow input{width:100%}
.field input:focus{outline:none;border-color:var(--acc);background:#fff}
.field input:disabled{opacity:.5}
.switch{position:relative;width:42px;height:24px;display:inline-block;margin:6px 0}
.switch input{opacity:0;position:absolute;inset:0;margin:0;cursor:pointer;z-index:1}
.switch i{position:absolute;inset:0;background:#d9d5ce;border-radius:20px;transition:.2s}
.switch i:after{content:"";position:absolute;left:3px;top:3px;width:18px;height:18px;border-radius:50%;background:#fff;transition:.2s;box-shadow:0 1px 3px #0003}
.switch input:checked+i{background:var(--acc)}.switch input:checked+i:after{left:21px}
.engine-tip{margin-left:auto;font-size:12px;color:var(--mute);text-align:right;max-width:260px;line-height:1.45}
.go{width:100%;display:flex;align-items:center;justify-content:center;gap:10px;border:0;cursor:pointer;color:#fff;font-size:16px;font-weight:600;padding:15px;border-radius:14px;
  background:linear-gradient(135deg,var(--acc),var(--acc2));box-shadow:0 10px 24px #ff5a3640;transition:.18s}
.go svg{width:20px;height:20px;transition:.18s}
.go:hover{transform:translateY(-1px);box-shadow:0 14px 30px #ff5a3655}.go:hover svg{transform:translateX(3px)}
.go:disabled{opacity:.55;cursor:not-allowed;transform:none}

/* ---------- stage ---------- */
.stage{padding:14px;position:sticky;top:84px}
.canvas{position:relative;aspect-ratio:3/4;border-radius:14px;overflow:hidden;background:radial-gradient(circle at 50% 40%,#fbfaf7,#efece6)}
.empty-stage{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;color:var(--mute);text-align:center}
.empty-stage b{color:var(--ink2);font-size:14.5px}.empty-stage span{font-size:12.5px}
.hanger svg{width:86px;height:86px;color:#cfcac1;stroke-width:2;margin-bottom:6px}
.compare{position:absolute;inset:0;user-select:none}
.compare img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain}
.before-wrap{position:absolute;inset:0;overflow:hidden;width:0}
.before-wrap img{width:var(--w,100%);max-width:none}
.compare .handle{position:absolute;top:0;bottom:0;left:100%;width:2px;background:#fff;box-shadow:0 0 6px #0005;pointer-events:none}
.compare .handle i{position:absolute;top:50%;left:50%;width:34px;height:34px;margin:-17px 0 0 -17px;border-radius:50%;background:#fff;box-shadow:0 2px 10px #0003}
.compare .handle i:before{content:"‹ ›";position:absolute;inset:0;display:grid;place-items:center;font-size:15px;color:var(--ink2);letter-spacing:2px}
.compare input{position:absolute;inset:0;width:100%;height:100%;opacity:0;cursor:ew-resize;margin:0}
.lbl{position:absolute;top:12px;font-size:11px;padding:3px 9px;border-radius:20px;background:#00000059;color:#fff;backdrop-filter:blur(4px)}.lbl.l{left:12px}.lbl.r{right:12px}
.blocked{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;background:#fdf1f1;color:var(--bad)}
.blocked span{font-size:12px;color:var(--mute)}
.loading{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;background:#faf9f6ee;backdrop-filter:blur(8px)}
.ring{position:relative;width:120px;height:120px}
.ring svg{width:100%;height:100%;transform:rotate(-90deg)}
.ring circle{stroke:#ebe7e0;stroke-width:6}.ring .bar{stroke:url(#g);stroke:var(--acc);stroke-dasharray:276.5;stroke-dashoffset:276.5;transition:stroke-dashoffset .8s}
.ring b{position:absolute;inset:0;display:grid;place-items:center;font-size:22px;font-weight:700}
.steps{display:flex;gap:4px}
.steps span{font-size:11.5px;padding:3px 10px;border-radius:20px;background:#eeebe5;color:var(--mute)}
.steps span.done{background:var(--accbg);color:var(--acc)}.steps span.cur{background:var(--acc);color:#fff}
.loading p{margin:4px 0 0;color:var(--ink2);font-size:13px;max-width:80%;text-align:center}.loading small{color:var(--mute)}
.actions{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-top:12px}
.btn{border:1px solid var(--line);background:var(--paper);padding:8px 14px;border-radius:10px;cursor:pointer;font-size:13px;text-decoration:none;transition:.15s}
.btn:hover{border-color:var(--acc);color:var(--acc)}
.actions .meta{margin-left:auto;font-size:12px;color:var(--mute)}

/* ---------- bands ---------- */
.band{max-width:1320px;margin:26px auto 0;padding:0 28px}
@media(max-width:1000px){.band{padding:0 14px}}
.band-hd{display:flex;align-items:baseline;gap:12px;margin-bottom:12px;flex-wrap:wrap}
.band-hd h3{margin:0;font-size:17px}.band-hd>span{color:var(--mute);font-size:12.5px}
.showcase{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
@media(max-width:800px){.showcase{grid-template-columns:1fr}}
.combo{background:var(--paper);border-radius:16px;box-shadow:var(--sh);padding:8px;display:grid;grid-template-columns:1fr 1fr 1.25fr;gap:6px;cursor:pointer;transition:.18s;position:relative}
.combo:hover{transform:translateY(-3px)}
.combo img{width:100%;aspect-ratio:3/4;object-fit:cover;border-radius:10px;background:#f0eee9}
.combo img:last-child{grid-row:span 1}
.combo:after{content:"载入";position:absolute;right:16px;bottom:16px;font-size:11.5px;background:var(--acc);color:#fff;padding:3px 10px;border-radius:20px;opacity:0;transition:.15s}
.combo:hover:after{opacity:1}
.chips{display:flex;gap:6px;flex-wrap:wrap}
.band-hd .chips{margin-left:auto}
.chips button{border:1px solid var(--line);background:var(--paper);padding:4px 13px;border-radius:20px;cursor:pointer;font-size:12.5px;color:var(--ink2)}
.chips button.on{background:var(--ink);border-color:var(--ink);color:#fff}
.chips.small button{font-size:11.5px;padding:2px 10px}
.chips.small button.on{background:var(--accbg);border-color:var(--acc);color:var(--acc)}
.gallery{display:grid;grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:14px}
.card{background:var(--paper);border-radius:16px;overflow:hidden;box-shadow:var(--sh);position:relative}
.card .main{width:100%;aspect-ratio:3/4;object-fit:cover;display:block;cursor:zoom-in;background:#f0eee9}
.card .mini{position:absolute;top:8px;left:8px;display:flex;gap:4px}
.card .mini img{width:30px;height:40px;object-fit:cover;border-radius:6px;border:2px solid #fff;box-shadow:0 1px 4px #0003}
.card .ops{position:absolute;top:8px;right:8px;display:flex;gap:4px;opacity:0;transition:.15s}
.card:hover .ops{opacity:1}
.card .ops button,.card .ops a{border:0;background:#000000a0;color:#fff;border-radius:8px;font-size:11px;padding:3px 8px;cursor:pointer;text-decoration:none}
.card .meta{display:flex;justify-content:space-between;padding:8px 10px;font-size:11.5px;color:var(--mute)}
.tag{color:var(--acc);font-weight:600}
.empty{color:var(--mute);font-size:13px;padding:24px;text-align:center;grid-column:1/-1;background:var(--paper);border-radius:16px}
.foot{text-align:center;color:var(--mute);font-size:12px;padding:36px 20px 28px}.foot a{color:var(--ink2)}

/* ---------- modal ---------- */
.modal{position:fixed;inset:0;z-index:30;background:#17161a66;backdrop-filter:blur(4px);display:flex;justify-content:flex-end;animation:fade .15s}
.sheet{width:min(640px,100%);height:100%;background:var(--paper);display:flex;flex-direction:column;gap:12px;padding:20px 22px;animation:slide .22s ease-out}
.sheet-hd{display:flex;align-items:center}.sheet-hd h3{margin:0;font-size:17px}
.x{margin-left:auto;border:0;background:var(--soft);width:32px;height:32px;border-radius:50%;cursor:pointer}
.libgrid{flex:1;overflow:auto;display:grid;grid-template-columns:repeat(auto-fill,minmax(108px,1fr));gap:8px;align-content:start;padding:2px}
.libgrid figure{margin:0;position:relative}
.libgrid img{width:100%;aspect-ratio:3/4;object-fit:cover;border-radius:10px;cursor:pointer;background:#f0eee9;outline:2px solid transparent;outline-offset:-2px;transition:.12s}
.libgrid img:hover{transform:scale(1.02)}
.libgrid figcaption{position:absolute;left:5px;bottom:5px;font-size:10px;background:#ffffffd9;padding:0 6px;border-radius:6px;color:var(--ink2)}
@keyframes slide{from{transform:translateX(40px);opacity:0}}@keyframes fade{from{opacity:0}}
.lightbox{position:fixed;inset:0;z-index:40;background:#000d;display:grid;place-items:center;cursor:zoom-out}.lightbox img{max-width:92vw;max-height:92vh;border-radius:8px}
.toasts{position:fixed;left:50%;bottom:28px;transform:translateX(-50%);z-index:50;display:flex;flex-direction:column;gap:8px;align-items:center}
.toast{background:var(--ink);color:#fff;padding:10px 16px;border-radius:12px;font-size:13px;box-shadow:0 8px 24px #0003;animation:fade .2s;max-width:86vw}
.toast.bad{background:var(--bad)}.toast.ok{background:var(--ok)}

/* ---------- login ---------- */
.login{min-height:100vh;display:grid;place-items:center;background:radial-gradient(circle at 20% 10%,#ffe6dc,transparent 40%),radial-gradient(circle at 90% 90%,#ffeacc,transparent 40%),var(--bg)}
.login form{width:360px;background:#fffc;backdrop-filter:blur(10px);border-radius:24px;padding:36px 32px;text-align:center;box-shadow:0 20px 60px #1a17121a}
.login .logo{margin:0 auto 14px;width:52px;height:52px;border-radius:16px}
.login .logo svg{width:27px;height:27px}
.login h1{font-size:20px;margin:0 0 4px}.login p{color:var(--mute);margin:0 0 24px;font-size:13px}
.login input{width:100%;border:1px solid var(--line);border-radius:12px;padding:12px 14px;font:inherit;margin-bottom:12px;background:#fff}
.login input:focus{outline:none;border-color:var(--acc)}
.login .err{color:var(--bad);font-size:13px;margin:-4px 0 10px}