/* FAI UI - performance first, tech dark */
:root{
  --bg:#070b14;
  --bg-elev:#0f1628;
  --line:rgba(130,160,210,.14);
  --line-strong:rgba(130,160,210,.28);
  --text:#edf2ff;
  --muted:#93a0bb;
  --faint:#66748f;
  --cyan:#2fe0c8;
  --blue:#6b8cff;
  --amber:#ffc857;
  --ok:#3ee6a0;
  --danger:#ff6b7a;
  --radius:14px;
  --font:"Segoe UI","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --mono:ui-monospace,Consolas,monospace;
  --nav-w:248px;
  --header-h:60px;
  --z-overlay:200;
  --z-sidebar:210;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:var(--font);
  color:var(--text);
  min-height:100vh;
  line-height:1.55;
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
a{color:var(--cyan);text-decoration:none}
a:hover{color:#7ff3e4}
img{max-width:100%}
button,input,select,textarea{font:inherit}
.container{width:min(1180px,calc(100% - 32px));margin:0 auto}
.muted{color:var(--muted)}.faint{color:var(--faint)}.mono{font-family:var(--mono)}
.flex{display:flex}.flex-1{flex:1}.gap-2{gap:8px}.gap-3{gap:12px}
.items-center{align-items:center}.justify-between{justify-content:space-between}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.hide{display:none!important}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:1px solid transparent;border-radius:11px;padding:10px 14px;
  font-weight:600;cursor:pointer;transition:background .15s,border-color .15s,opacity .15s;
  white-space:nowrap;
}
.btn:disabled{opacity:.5;cursor:not-allowed}
.btn-primary{background:linear-gradient(135deg,#2fe0c8,#1fb0c4);color:#042229}
.btn-primary:hover{filter:brightness(1.05)}
.btn-secondary{background:rgba(255,255,255,.04);border-color:var(--line);color:var(--text)}
.btn-secondary:hover{border-color:var(--line-strong)}
.btn-danger{background:rgba(255,107,122,.12);border:1px solid rgba(255,107,122,.35);color:#ffb0b8}
.btn-ghost{background:transparent;color:var(--muted);border-color:transparent}
.btn-sm{padding:7px 11px;border-radius:9px;font-size:13px}
.btn-lg{padding:12px 18px;font-size:15px}

.input,.select,.textarea{
  width:100%;background:#0b1220;border:1px solid var(--line);color:var(--text);
  border-radius:11px;padding:11px 12px;outline:none;
}
.input:focus,.select:focus,.textarea:focus{border-color:rgba(47,224,200,.5)}
.label{display:block;margin:0 0 6px;color:var(--muted);font-size:12px;font-weight:600}
.field{margin-bottom:12px}
.textarea{min-height:100px;resize:vertical}
.check{display:flex;align-items:center;gap:8px;color:var(--muted);font-size:14px}

.card{
  background:var(--bg-elev);
  border:1px solid var(--line);
  border-radius:var(--radius);
}
.card-pad{padding:16px}
.card-title{margin:0 0 4px;font-size:16px;font-weight:700}
.stat-value{font-size:28px;font-weight:800;letter-spacing:-.03em;color:var(--cyan)}
.panel-banner{border-color:rgba(47,224,200,.2)}
.glass-panel{/* no blur */}
.badge{
  display:inline-flex;align-items:center;padding:3px 9px;border-radius:999px;
  font-size:11px;font-weight:600;border:1px solid var(--line);color:var(--muted);background:rgba(255,255,255,.03)
}
.badge-ok{color:#8cf0bc;border-color:rgba(61,214,140,.3);background:rgba(61,214,140,.08)}
.badge-warn{color:#ffd27a;border-color:rgba(240,180,41,.3);background:rgba(240,180,41,.08)}
.table{width:100%;border-collapse:collapse}
.table th,.table td{padding:11px 8px;border-bottom:1px solid var(--line);text-align:left;font-size:13px}
.table th{color:var(--muted);font-size:11px;text-transform:uppercase;letter-spacing:.04em}
.alert{padding:11px 12px;border-radius:11px;margin-bottom:12px;border:1px solid}
.alert-error{background:rgba(255,107,122,.1);border-color:rgba(255,107,122,.3);color:#ffb3bb}
.alert-ok{background:rgba(61,214,140,.1);border-color:rgba(61,214,140,.3);color:#9df0c4}
.alert-info{background:rgba(91,140,255,.1);border-color:rgba(91,140,255,.3);color:#b8cbff}

.m-header{position:sticky;top:0;z-index:40;background:rgba(7,11,20,.96);border-bottom:1px solid var(--line)}
.m-header-inner{height:64px;display:flex;align-items:center;justify-content:space-between}
.brand{display:flex;align-items:center;gap:10px;color:var(--text);font-weight:800}
.brand-mark{
  width:32px;height:32px;border-radius:10px;
  background:linear-gradient(135deg,#2fe0c8,#6b8cff);
}
.nav-links{display:flex;gap:16px;align-items:center}
.nav-links a{color:var(--muted);font-weight:500;font-size:14px}
.nav-links a:hover{color:var(--text)}

.hero{padding:64px 0 40px}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:28px;align-items:center}
.kicker{display:inline-flex;padding:6px 12px;border-radius:999px;border:1px solid rgba(47,224,200,.25);color:#9df0e4;font-size:12px;font-weight:600}
.hero h1{margin:14px 0;font-size:clamp(30px,4.5vw,48px);line-height:1.1;letter-spacing:-.03em}
.hero h1 em{font-style:normal;color:var(--cyan)}
.hero-lead{color:var(--muted);font-size:16px;max-width:540px}
.hero-actions{display:flex;gap:10px;margin-top:20px;flex-wrap:wrap}
.hero-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:22px}
.metric{padding:12px;border:1px solid var(--line);border-radius:12px;background:rgba(255,255,255,.02)}
.metric b{display:block;font-size:20px}
.metric span{color:var(--muted);font-size:12px}
.hero-panel{border:1px solid var(--line);border-radius:16px;overflow:hidden;background:#0c1324}
.hero-panel-top{padding:10px 12px;border-bottom:1px solid var(--line);display:flex;gap:8px;align-items:center}
.dot{width:8px;height:8px;border-radius:50%}
.dot.r{background:#ff6b7a}.dot.y{background:#f0b429}.dot.g{background:#3dd68c}
.hero-panel-body{padding:14px;font-family:var(--mono);font-size:12px;color:#b7c4e0;min-height:240px}
.line-ok{color:#7df0c6}.line-cmd{color:#9eb7ff}.line-muted{color:#6f7d9a}
.section{padding:48px 0}
.section-head{margin-bottom:20px}
.section-head h2{margin:0 0 6px;font-size:26px}
.feature{padding:16px;border-radius:14px;border:1px solid var(--line);background:rgba(255,255,255,.02);height:100%}
.feature .icon{width:36px;height:36px;border-radius:10px;display:grid;place-items:center;margin-bottom:10px;background:rgba(47,224,200,.1);border:1px solid rgba(47,224,200,.2);color:var(--cyan);font-weight:700;font-size:12px}
.feature h3{margin:0 0 6px;font-size:16px}
.feature p{margin:0;color:var(--muted);font-size:13px}
.price-card{padding:18px;border-radius:14px;border:1px solid var(--line);background:rgba(255,255,255,.02)}
.price-card.hot{border-color:rgba(47,224,200,.4)}
.price{font-size:32px;font-weight:800;margin:8px 0}
.footer{border-top:1px solid var(--line);padding:24px 0 36px;color:var(--muted);font-size:13px}

/* app shell */
.app-shell{min-height:100vh;display:grid;grid-template-columns:var(--nav-w) 1fr}
.sidebar{
  position:sticky;top:0;height:100vh;border-right:1px solid var(--line);
  background:#0a1020;padding:14px 12px;display:flex;flex-direction:column;z-index:5
}
.sidebar-top{display:flex;align-items:center;justify-content:space-between;gap:8px}
.side-nav{display:flex;flex-direction:column;gap:3px;margin-top:16px}
.side-nav a{
  display:flex;align-items:center;gap:10px;padding:10px 11px;border-radius:10px;
  color:var(--muted);font-weight:500;border:1px solid transparent
}
.side-nav a:hover{background:rgba(255,255,255,.03);color:var(--text)}
.side-nav a.active{background:rgba(47,224,200,.1);color:var(--text);border-color:rgba(47,224,200,.18)}
.side-foot{margin-top:auto;padding-top:12px;border-top:1px solid var(--line)}
.app-main{min-width:0}
.app-top{
  height:var(--header-h);display:flex;align-items:center;justify-content:space-between;
  padding:0 16px;border-bottom:1px solid var(--line);background:#0a1020;position:sticky;top:0;z-index:20
}
.app-content{padding:16px}
.balance-pill{
  display:inline-flex;align-items:center;gap:6px;padding:7px 11px;border-radius:999px;
  border:1px solid rgba(255,200,87,.28);background:rgba(255,200,87,.08);color:#ffe0a0;font-weight:700;font-size:12px
}
.page-title{letter-spacing:-.02em}
.icon-btn{
  width:38px;height:38px;border-radius:10px;border:1px solid var(--line);
  background:rgba(255,255,255,.04);color:var(--text);cursor:pointer;
  display:none;align-items:center;justify-content:center;flex-direction:column;gap:4px;padding:0
}
.menu-toggle span{display:block;width:15px;height:2px;background:var(--text);border-radius:2px}
.sidebar-close{display:none}

/* overlay ABOVE main, BELOW sidebar - fixed to body stacking */
.sidebar-overlay{
  display:none;position:fixed;inset:0;background:rgba(0,0,0,.45);z-index:var(--z-overlay);
  /* no backdrop-filter */
}
.sidebar-overlay.show{display:block}


.image-layout{display:grid;grid-template-columns:340px 1fr;gap:14px}
.prompt-box textarea{min-height:140px}
.image-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:10px}
.image-card{border:1px solid var(--line);border-radius:12px;overflow:hidden;background:rgba(255,255,255,.02)}
.image-card img{width:100%;aspect-ratio:1;object-fit:cover;display:block;background:#0a1020}
.image-card .meta{padding:9px;font-size:12px;color:var(--muted)}

.auth-wrap{min-height:100vh;display:grid;place-items:center;padding:20px}
.auth-card{width:min(420px,100%);padding:24px}
.auth-card h1{margin:0 0 6px;font-size:24px}
.auth-card .sub{color:var(--muted);margin-bottom:14px}
.docs-code{background:#0b1220;border:1px solid var(--line);border-radius:12px;padding:12px;overflow:auto;font-family:var(--mono);font-size:12px;color:#c7d3ef;line-height:1.6}

*::-webkit-scrollbar{width:8px;height:8px}
*::-webkit-scrollbar-thumb{background:rgba(140,170,230,.2);border-radius:999px}
*::-webkit-scrollbar-track{background:transparent}

/* Mobile: left drawer above gray mask */
@media (max-width:980px){
  .app-shell{grid-template-columns:1fr !important}
  .menu-toggle{display:inline-flex}
  .sidebar-close{display:inline-flex !important}
  .sidebar{
    position:fixed !important;
    top:0;left:0;bottom:0;
    width:min(82vw,280px);
    height:100vh !important;
    z-index:var(--z-sidebar) !important;
    transform:translateX(-105%);
    transition:transform .2s ease;
    box-shadow:none;
  }
  .sidebar.open{
    transform:translateX(0);
    box-shadow:8px 0 24px rgba(0,0,0,.35);
  }
  body.nav-open{overflow:hidden}
  .app-main{width:100%;min-width:0}
  .image-layout,.hero-grid{grid-template-columns:1fr !important}
  .nav-links{display:none}
  .grid-4,.grid-3{grid-template-columns:1fr 1fr}
  .hero-metrics{grid-template-columns:1fr}
}
@media (max-width:640px){
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .container{width:min(100% - 20px,1180px)}
  .app-content{padding:12px}
  .hero{padding:40px 0 28px}
}
/* New layout: sidebar is body-level sibling of app-shell */
body.app-body{
  display:grid;
  grid-template-columns:var(--nav-w) 1fr;
  min-height:100vh;
}
body.app-body > .sidebar{grid-column:1;grid-row:1}
body.app-body > .sidebar-overlay{grid-column:1 / -1;grid-row:1}
body.app-body > .app-shell{grid-column:2;grid-row:1;display:block;min-width:0}
body.app-body > .app-shell .app-main{min-height:100vh}
@media (max-width:980px){
  body.app-body{grid-template-columns:1fr}
  body.app-body > .sidebar{grid-column:1;grid-row:1}
  body.app-body > .app-shell{grid-column:1;grid-row:1}
  body.app-body > .sidebar-overlay{grid-column:1;grid-row:1}
}

/* ===== v20260723c mobile drawer fix + perf ===== */
body.app-body{
  display:grid;
  grid-template-columns:var(--nav-w) 1fr;
  min-height:100vh;
  background:var(--bg);
}
body.app-body > .sidebar{
  grid-column:1;grid-row:1;
  position:sticky;top:0;height:100vh;
  z-index:30;
  background:#0a1020;
}
body.app-body > .sidebar-overlay{
  display:none;
  position:fixed;
  inset:0;
  background:rgba(0,0,0,.48);
  z-index:220;
  pointer-events:none;
}
body.app-body > .sidebar-overlay.show{
  display:block;
  pointer-events:auto;
}
body.app-body > .app-shell{
  grid-column:2;grid-row:1;
  display:block;min-width:0;
  min-height:100vh;
}
@media (max-width:980px){
  body.app-body{grid-template-columns:1fr}
  body.app-body > .app-shell{grid-column:1;grid-row:1}
  body.app-body > .sidebar{
    position:fixed !important;
    top:0;left:0;bottom:0;
    width:min(84vw,288px);
    height:100vh !important;
    grid-column:1;grid-row:1;
    z-index:230 !important;
    transform:translate3d(-105%,0,0);
    transition:transform .18s ease;
    pointer-events:none;
    will-change:transform;
    box-shadow:none;
  }
  body.app-body > .sidebar.open{
    transform:translate3d(0,0,0);
    pointer-events:auto;
    box-shadow:12px 0 28px rgba(0,0,0,.4);
  }
  body.app-body > .sidebar-overlay{
    grid-column:1;grid-row:1;
    z-index:220 !important;
  }
  .menu-toggle{display:inline-flex}
  .sidebar-close{display:inline-flex !important}
  .image-layout,.hero-grid{grid-template-columns:1fr !important}
  .nav-links{display:none}
  .grid-4,.grid-3{grid-template-columns:1fr 1fr}
}

/* ===== lightbox ===== */
body.lb-open{overflow:hidden}
.lb-root{position:fixed;inset:0;z-index:10040;display:none;align-items:center;justify-content:center;padding:18px}
.lb-root.show{display:flex}
.lb-backdrop{position:absolute;inset:0;background:rgba(0,0,0,.78)}
.lb-panel{
  position:relative;z-index:1;width:min(1080px,100%);max-height:92vh;
  display:flex;flex-direction:column;align-items:center;gap:10px;
  background:#0b1220;border:1px solid rgba(130,160,210,.22);border-radius:16px;padding:14px;
  box-shadow:0 24px 60px rgba(0,0,0,.5);
}
.lb-img{max-width:100%;max-height:72vh;object-fit:contain;border-radius:10px;background:#05080f}
.lb-meta{width:100%;color:var(--muted);font-size:13px;line-height:1.5;word-break:break-word;text-align:left}
.lb-actions{display:flex;gap:8px;flex-wrap:wrap;justify-content:center}
.lb-close{
  position:absolute;top:10px;right:10px;width:36px;height:36px;border-radius:10px;
  border:1px solid var(--line);background:rgba(255,255,255,.06);color:var(--text);cursor:pointer
}
.image-card{position:relative;cursor:zoom-in}
.image-card .img-hit{display:block;width:100%;padding:0;border:0;background:transparent;cursor:zoom-in}
.image-card .zoom-tip{
  position:absolute;right:8px;top:8px;padding:3px 8px;border-radius:999px;font-size:11px;font-weight:700;
  background:rgba(0,0,0,.55);color:#fff;pointer-events:none;opacity:.85
}
.image-card:hover .zoom-tip{opacity:1}

/* ===== admin analytics ===== */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:16px}
.stat-card .stat-sub{margin-top:4px;font-size:12px;color:var(--faint)}
.stat-value.sm{font-size:22px}
.admin-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:14px;margin-bottom:16px}
.bar-list{display:flex;flex-direction:column;gap:8px}
.bar-row{display:grid;grid-template-columns:110px 1fr 64px;gap:8px;align-items:center;font-size:12px}
.bar-label{color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.bar-track{height:8px;border-radius:999px;background:rgba(255,255,255,.05);overflow:hidden}
.bar-fill{height:100%;border-radius:999px;background:linear-gradient(90deg,#2fe0c8,#6b8cff)}
.bar-val{text-align:right;color:var(--text);font-variant-numeric:tabular-nums}
.trend-bars{display:flex;align-items:flex-end;gap:6px;height:140px;padding-top:8px}
.trend-col{flex:1;display:flex;flex-direction:column;align-items:center;gap:6px;min-width:0;height:100%;justify-content:flex-end}
.trend-col .tbar{width:100%;max-width:28px;border-radius:6px 6px 2px 2px;background:linear-gradient(180deg,#2fe0c8,#3a6bff);min-height:2px}
.trend-col span{font-size:10px;color:var(--faint);white-space:nowrap}
.filter-bar{display:flex;flex-wrap:wrap;gap:10px;align-items:end;margin-bottom:14px}
.filter-bar .field{margin:0;min-width:140px}
.kpi-row{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:16px}
.pill-ok{color:#8cf0bc}.pill-bad{color:#ffb0b8}.pill-warn{color:#ffd27a}
.thumb-sm{width:56px;height:56px;object-fit:cover;border-radius:8px;border:1px solid var(--line);cursor:zoom-in;background:#0a1020}
@media (max-width:980px){
  .stat-grid,.admin-grid,.kpi-row{grid-template-columns:1fr 1fr}
}
@media (max-width:640px){
  .stat-grid,.admin-grid,.kpi-row{grid-template-columns:1fr}
  .bar-row{grid-template-columns:80px 1fr 52px}
}
.image-card .img-hit img{width:100%;aspect-ratio:1;object-fit:cover;display:block;background:#0a1020}



/* v20260723h wallet/pay small fixes */
.wallet-layout .price-card{min-width:0}
@media (max-width:640px){.wallet-layout{grid-template-columns:1fr!important}.wallet-layout .grid-2{grid-template-columns:1fr!important}}

/* image page rewrite */
.image-page{min-width:0}
.image-estimate{font-size:12px;margin-top:4px}
.image-card-failed{padding:12px;min-height:120px;display:flex;align-items:center}
.image-card-failed .meta{width:100%}
.image-layout .prompt-box .textarea{min-height:140px}
@media (max-width:980px){
  .image-layout{grid-template-columns:1fr!important}
}