:root{
  --bg:#0a0e17; --bg2:#0f1522; --panel:rgba(255,255,255,.045); --panel-solid:#141b2a;
  --brd:rgba(255,255,255,.09); --brd2:rgba(255,255,255,.16);
  --txt:#e9edf5; --muted:#93a0b8; --dim:#6b7688;
  --brand:#7c5cff; --brand2:#22d3ee; --ok:#34d399; --warn:#fbbf24; --err:#fb7185;
  --r:14px; --r-sm:10px;
  --shadow:0 18px 50px rgba(0,0,0,.45);
}
*{box-sizing:border-box}
html,body{margin:0;height:100%}
body{
  font-family:"Segoe UI",system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;
  color:var(--txt); background:
    radial-gradient(1100px 700px at 10% -12%, rgba(124,92,255,.22), transparent 58%),
    radial-gradient(900px 620px at 112% 4%, rgba(34,211,238,.14), transparent 55%),
    linear-gradient(165deg,var(--bg),var(--bg2));
  min-height:100%; -webkit-font-smoothing:antialiased;
}
a{color:var(--brand2)}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-thumb{background:rgba(255,255,255,.12);border-radius:8px}
::-webkit-scrollbar-track{background:transparent}
.hidden{display:none !important}

/* ---------- auth ---------- */
.auth-body{display:grid;place-items:center;padding:20px}
.auth-card{width:100%;max-width:380px;background:var(--panel);border:1px solid var(--brd);border-radius:20px;
  padding:30px;backdrop-filter:blur(16px);box-shadow:var(--shadow)}
.brand-mark{width:52px;height:52px;border-radius:15px;display:grid;place-items:center;font-size:26px;
  background:linear-gradient(135deg,var(--brand),var(--brand2));box-shadow:0 10px 32px rgba(124,92,255,.45);margin-bottom:16px}
.auth-title{font-size:20px;margin:0 0 4px}
.auth-sub{color:var(--muted);font-size:13px;margin:0 0 20px}
.auth-err{color:var(--err);font-size:13px;margin-top:12px;min-height:16px}
.auth-alt{margin-top:14px;font-size:13px;text-align:center;color:var(--muted)}

/* ---------- shell ---------- */
.app{display:grid;grid-template-columns:248px 1fr;grid-template-rows:60px 1fr;min-height:100vh}
.topbar{grid-column:1/3;display:flex;align-items:center;gap:14px;padding:0 20px;border-bottom:1px solid var(--brd);
  background:rgba(10,14,23,.6);backdrop-filter:blur(12px);position:sticky;top:0;z-index:30}
.topbar .logo{width:36px;height:36px;border-radius:11px;display:grid;place-items:center;font-size:19px;
  background:linear-gradient(135deg,var(--brand),var(--brand2))}
.topbar h1{font-size:16px;margin:0;font-weight:700}
.topbar .spacer{flex:1}
.pill{font-size:12px;color:var(--muted);border:1px solid var(--brd);background:var(--panel);padding:6px 12px;border-radius:999px;white-space:nowrap}
.pill b{color:var(--brand2)}
.avatar{width:34px;height:34px;border-radius:50%;background:linear-gradient(135deg,#3b82f6,#7c5cff);display:grid;place-items:center;font-size:14px;font-weight:700}
.sidebar{border-right:1px solid var(--brd);padding:16px 12px;background:rgba(255,255,255,.015);position:sticky;top:60px;height:calc(100vh - 60px);overflow:auto}
.nav-item{display:flex;align-items:center;gap:11px;padding:11px 13px;border-radius:11px;color:var(--muted);cursor:pointer;font-size:14px;margin-bottom:4px;transition:.18s;user-select:none}
.nav-item:hover{background:rgba(255,255,255,.05);color:var(--txt)}
.nav-item.active{background:linear-gradient(135deg,rgba(124,92,255,.28),rgba(34,211,238,.14));color:#fff;font-weight:600;border:1px solid rgba(124,92,255,.35)}
.nav-item .ico{width:20px;text-align:center}
.nav-sep{height:1px;background:var(--brd);margin:12px 6px}
.main{padding:22px 24px 80px;overflow:auto}
.view{animation:fade .32s ease}
@keyframes fade{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}

/* ---------- cards / layout ---------- */
.card{background:var(--panel);border:1px solid var(--brd);border-radius:var(--r);padding:18px;backdrop-filter:blur(12px)}
.card + .card{margin-top:16px}
.card h2{font-size:15px;margin:0 0 14px;font-weight:700}
.card h2 .hint{font-weight:400;color:var(--dim);font-size:12px;margin-left:8px}
.cols{display:grid;grid-template-columns:minmax(320px,420px) 1fr;gap:18px;align-items:start}
@media(max-width:980px){.cols{grid-template-columns:1fr}}
.row{display:flex;gap:12px}
.row>*{flex:1}
.stack>*+*{margin-top:12px}

/* ---------- form ---------- */
label.field{display:block;font-size:12.5px;color:var(--muted);margin:12px 0 6px}
label.field > span{display:block;margin-bottom:6px}
input[type=text],input[type=email],input[type=password],input[type=number],textarea,select{
  width:100%;background:rgba(0,0,0,.28);border:1px solid var(--brd);border-radius:var(--r-sm);
  color:var(--txt);padding:11px 12px;font-size:14px;font-family:inherit;outline:none;transition:.16s}
textarea{min-height:104px;resize:vertical;line-height:1.55}
input:focus,textarea:focus,select:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(124,92,255,.16)}
select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%);
  background-position:calc(100% - 18px) 50%,calc(100% - 13px) 50%;background-size:5px 5px,5px 5px;background-repeat:no-repeat}
.input-row{display:flex;gap:8px;align-items:center}
.input-row .btn{white-space:nowrap}
.btn{border:1px solid var(--brd);background:rgba(255,255,255,.06);color:var(--txt);border-radius:var(--r-sm);
  padding:10px 14px;font-size:13.5px;cursor:pointer;transition:.16s;font-family:inherit;display:inline-flex;align-items:center;gap:7px;justify-content:center}
.btn:hover{background:rgba(255,255,255,.13);border-color:var(--brd2)}
.btn:disabled{opacity:.5;cursor:not-allowed}
.btn.primary{background:linear-gradient(135deg,var(--brand),#5b8def);border:0;font-weight:700;box-shadow:0 10px 26px rgba(124,92,255,.32)}
.btn.primary:hover{transform:translateY(-1px)}
.btn.ghost{background:transparent}
.btn.danger{border-color:rgba(251,113,133,.4);color:#ffc2cd}
.btn.sm{padding:6px 10px;font-size:12.5px;border-radius:8px}
.btn.block{width:100%}
.chips{display:flex;flex-wrap:wrap;gap:7px;margin-top:8px}
.chip{font-size:12px;padding:5px 11px;border-radius:999px;border:1px solid var(--brd);background:rgba(255,255,255,.04);color:var(--muted);cursor:pointer;transition:.15s}
.chip:hover{color:var(--txt);border-color:var(--brand)}
.tabs{display:flex;gap:6px;background:rgba(0,0,0,.24);padding:5px;border-radius:12px;margin-bottom:14px}
.tab{flex:1;text-align:center;padding:9px;border-radius:9px;cursor:pointer;font-size:13.5px;color:var(--muted);transition:.18s;user-select:none}
.tab.active{background:linear-gradient(135deg,var(--brand),#5b8def);color:#fff;font-weight:600}
.switch{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);cursor:pointer}

/* ---------- upload ---------- */
.drop{border:1.5px dashed var(--brd2);border-radius:12px;padding:20px;text-align:center;color:var(--muted);font-size:13px;cursor:pointer;transition:.16s;background:rgba(0,0,0,.14)}
.drop:hover,.drop.over{border-color:var(--brand);color:var(--txt);background:rgba(124,92,255,.09)}
.thumb{margin-top:10px;position:relative}
.thumb img{width:100%;border-radius:12px;border:1px solid var(--brd);display:block}
.thumb .x{position:absolute;top:8px;right:8px;background:rgba(0,0,0,.65);border:1px solid var(--brd);color:#fff;border-radius:8px;padding:3px 9px;cursor:pointer;font-size:12px}

/* ---------- images grid ---------- */
.img-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:14px}
.tile{position:relative;border-radius:13px;overflow:hidden;border:1px solid var(--brd);background:rgba(0,0,0,.25);transition:.2s}
.tile:hover{border-color:var(--brd2);transform:translateY(-2px)}
.tile.sel{border-color:var(--brand);box-shadow:0 0 0 2px rgba(124,92,255,.4)}
.tile img{width:100%;display:block;aspect-ratio:1/1;object-fit:cover}
.tile .meta{position:absolute;top:8px;left:8px;right:8px;display:flex;gap:6px;align-items:center}
.tile .tag{font-size:10.5px;padding:3px 7px;border-radius:6px;background:rgba(0,0,0,.6);backdrop-filter:blur(6px);color:#dfe6f5}
.tile .fav{margin-left:auto;cursor:pointer;font-size:15px;filter:drop-shadow(0 1px 2px #000)}
.tile .bar{position:absolute;left:0;right:0;bottom:0;padding:8px;display:flex;flex-wrap:wrap;gap:5px;
  background:linear-gradient(transparent,rgba(0,0,0,.82));opacity:0;transition:.18s}
.tile:hover .bar{opacity:1}
.tile .bar button{flex:1 1 auto;border:0;border-radius:7px;padding:5px 6px;font-size:11.5px;cursor:pointer;background:rgba(255,255,255,.16);color:#fff;backdrop-filter:blur(6px);white-space:nowrap}
.tile .bar button:hover{background:rgba(255,255,255,.32)}
.tile .sel-box{position:absolute;top:8px;left:8px;width:20px;height:20px;border-radius:6px;border:2px solid #fff;background:rgba(0,0,0,.4);cursor:pointer;display:none;z-index:3}
.tile.selectable .sel-box{display:grid;place-items:center}
.tile.sel .sel-box::after{content:'✓';color:#fff;font-size:12px;font-weight:700}

/* ---------- jobs / progress ---------- */
.job{display:flex;align-items:center;gap:12px;padding:11px 12px;border:1px solid var(--brd);border-radius:11px;background:rgba(0,0,0,.18);margin-bottom:8px}
.job .jt{font-size:13px;font-weight:600}
.job .jd{font-size:11.5px;color:var(--dim)}
.barwrap{flex:1;height:7px;border-radius:99px;background:rgba(255,255,255,.1);overflow:hidden}
.barfill{height:100%;background:linear-gradient(90deg,var(--brand),var(--brand2));transition:width .4s}
.status-dot{width:9px;height:9px;border-radius:50%;flex:0 0 auto}
.sd-queued{background:var(--muted)}.sd-running{background:var(--brand2);animation:pulse 1.1s infinite}.sd-done{background:var(--ok)}.sd-error{background:var(--err)}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
.spin{display:inline-block;width:13px;height:13px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:sp .7s linear infinite}
@keyframes sp{to{transform:rotate(360deg)}}

/* ---------- misc ---------- */
.muted{color:var(--muted);font-size:13px}
.dim{color:var(--dim);font-size:12.5px}
.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px}
.stat{background:var(--panel);border:1px solid var(--brd);border-radius:var(--r);padding:16px}
.stat .k{font-size:12px;color:var(--muted)}
.stat .v{font-size:24px;font-weight:700;margin-top:4px}
table{width:100%;border-collapse:collapse;font-size:13px}
th,td{text-align:left;padding:10px;border-bottom:1px solid var(--brd)}
th{color:var(--muted);font-weight:600;font-size:12px}
.modal-back{position:fixed;inset:0;background:rgba(3,6,12,.72);backdrop-filter:blur(4px);display:grid;place-items:center;z-index:100;padding:20px}
.modal{width:100%;max-width:440px;background:var(--panel-solid);border:1px solid var(--brd2);border-radius:18px;padding:24px;box-shadow:var(--shadow);max-height:90vh;overflow:auto}
.modal.wide{max-width:760px}
.modal h3{margin:0 0 14px;font-size:16px}
.toasts{position:fixed;right:18px;bottom:18px;display:flex;flex-direction:column;gap:9px;z-index:200}
.toast{background:rgba(20,27,42,.96);border:1px solid var(--brd2);border-left:3px solid var(--brand);border-radius:10px;padding:12px 15px;font-size:13px;max-width:340px;box-shadow:var(--shadow);animation:fade .25s}
.toast.ok{border-left-color:var(--ok)}.toast.err{border-left-color:var(--err)}.toast.warn{border-left-color:var(--warn)}
.empty{text-align:center;color:var(--dim);padding:40px 10px;font-size:13.5px}
.viewer{position:fixed;inset:0;background:rgba(3,6,12,.9);display:grid;place-items:center;z-index:150;padding:30px;cursor:zoom-out}
.viewer img{max-width:94vw;max-height:94vh;border-radius:12px;box-shadow:var(--shadow)}
.toolbar{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-bottom:14px}
.toolbar .grow{flex:1;min-width:160px}
@media(max-width:820px){
  .app{grid-template-columns:1fr}
  .topbar{grid-column:1}
  .sidebar{position:fixed;left:0;bottom:0;right:0;top:auto;height:auto;display:flex;gap:4px;border-right:0;border-top:1px solid var(--brd);padding:8px;z-index:40;overflow:auto}
  .sidebar .nav-item{flex-direction:column;gap:3px;font-size:10.5px;padding:8px 10px;margin:0}
  .sidebar .nav-item .ico{font-size:17px}
  .nav-sep{display:none}
  .main{padding:16px 14px 90px}
}