:root{
  --bg:#0b0f14;--card:#111821;--card2:#151e29;--text:#f3f7fb;--muted:#91a0b3;
  --border:rgba(255,255,255,.08);--success:#4bd18b;--warning:#f6c15f;--shadow:0 16px 40px rgba(0,0,0,.22)
}
*{box-sizing:border-box}
html,body{margin:0;min-height:100%;background:var(--bg);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
body{background:radial-gradient(circle at top right,rgba(90,208,255,.12),transparent 28rem),radial-gradient(circle at top left,rgba(143,124,255,.10),transparent 24rem),var(--bg)}
button,input{font:inherit}button{cursor:pointer}.app-shell{width:min(100%,760px);margin:0 auto;padding:20px 16px 36px}
.topbar,.panel-header,.support-row{display:flex;align-items:center;justify-content:space-between;gap:16px}.topbar{margin-bottom:18px}
.eyebrow{display:block;margin-bottom:5px;color:var(--muted);font-size:11px;font-weight:800;letter-spacing:.12em}
h1,h2,strong,p{margin:0}h1{font-size:30px;letter-spacing:-.04em}h2{font-size:19px;letter-spacing:-.02em}
.status-pill{padding:7px 11px;border:1px solid var(--border);border-radius:999px;background:rgba(255,255,255,.05);color:var(--muted);font-size:12px}
.price-grid,.action-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.price-card,.stock-card,.panel{border:1px solid var(--border);background:linear-gradient(180deg,rgba(255,255,255,.035),rgba(255,255,255,.015)),var(--card);box-shadow:var(--shadow)}
.price-card{padding:16px;border-radius:18px}.price-card .label,.stock-card .label{display:block;color:var(--muted);font-size:12px;margin-bottom:6px}
.price-card strong{display:block;font-size:28px;letter-spacing:-.04em}.price-card .hint{color:var(--muted);font-size:11px}
.stock-card{display:flex;align-items:center;justify-content:space-between;margin:12px 0;padding:16px;border-radius:18px}.stock-card strong{font-size:18px}
.stock-dot{width:11px;height:11px;border-radius:50%;background:var(--success);box-shadow:0 0 0 6px rgba(75,209,139,.12)}
.action-grid{margin-bottom:12px}.action{min-height:72px;border:0;border-radius:18px;color:white;font-weight:800;font-size:17px;box-shadow:var(--shadow)}
.action.primary{background:linear-gradient(135deg,#1686ff,#5ad0ff)}.action.secondary{background:linear-gradient(135deg,#6a52ff,#9d83ff)}
.panel{margin-top:12px;padding:16px;border-radius:18px}.panel.compact{padding:14px 16px}.hidden{display:none}
.icon-button,.qty-btn,.small-btn{border:1px solid var(--border);background:var(--card2);color:var(--text)}.icon-button{width:38px;height:38px;border-radius:12px}
.field-label{display:block;margin:18px 0 8px;color:var(--muted);font-size:12px;font-weight:700}.quantity-row{display:grid;grid-template-columns:54px 1fr 54px;gap:8px}
.qty-btn,#quantity{height:52px;border-radius:14px}.qty-btn{font-size:26px}#quantity{width:100%;border:1px solid var(--border);outline:none;background:#0d131b;color:var(--text);text-align:center;font-size:20px;font-weight:800}
.summary{margin:14px 0;padding:4px 0;border-top:1px solid var(--border);border-bottom:1px solid var(--border)}.summary>div{display:flex;justify-content:space-between;gap:16px;padding:12px 0}.summary span{color:var(--muted)}
.confirm-btn,.ghost-btn{width:100%;min-height:50px;border-radius:14px;font-weight:800}.confirm-btn{border:0;background:linear-gradient(135deg,#1686ff,#5ad0ff);color:white}.ghost-btn{margin-top:8px;border:1px solid var(--border);background:transparent;color:var(--muted)}
.order-list{margin-top:10px}.order-row{display:flex;justify-content:space-between;gap:14px;padding:13px 0;border-top:1px solid var(--border)}.order-row:first-child{border-top:0}.order-row div{display:grid;gap:3px}.order-row div span{color:var(--muted);font-size:12px}
.badge{align-self:center;padding:6px 9px;border-radius:999px;font-size:11px;font-weight:800;white-space:nowrap}.badge.pending{color:var(--warning);background:rgba(246,193,95,.12)}.badge.done{color:var(--success);background:rgba(75,209,139,.12)}
.small-btn{padding:9px 12px;border-radius:11px}footer{padding:22px 0 0;color:var(--muted);text-align:center;font-size:11px}
@media(max-width:420px){.price-card strong{font-size:24px}.action{min-height:66px;font-size:15px}.order-row{align-items:flex-start}}