:root{--brand:#4fa3e3;--brand-ink:#0b3d66;--bg:#fff;--surface:#f6f7f9;--border:#e3e6ea;--text:#16191d;--muted:#646b75;--ok:#1a7f4b;--warn:#9a6100;--radius:12px}@media (prefers-color-scheme:dark){:root:not([data-theme=light]){--bg:#0e1013;--surface:#171a1f;--border:#272c33;--text:#e9ecf1;--muted:#9aa3ae;--ok:#4ade80;--warn:#fbbf24}}:root[data-theme=dark]{--bg:#0e1013;--surface:#171a1f;--border:#272c33;--text:#e9ecf1;--muted:#9aa3ae;--ok:#4ade80;--warn:#fbbf24}*{box-sizing:border-box}html,body{background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;margin:0;padding:0;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif}a{color:var(--brand)}.shell{flex-direction:column;max-width:820px;min-height:100dvh;margin:0 auto;padding:24px 16px 0;display:flex}.masthead{border-bottom:1px solid var(--border);justify-content:space-between;align-items:flex-start;gap:16px;padding-bottom:16px;display:flex}.masthead h1{letter-spacing:-.02em;margin:0;font-size:28px}.tagline{color:var(--muted);margin:4px 0 0;font-size:14px}.chat{flex-direction:column;flex:1;min-height:0;display:flex}.thread{flex-direction:column;flex:1;gap:16px;padding:24px 2px;display:flex;overflow-y:auto}.bubble{margin:0;line-height:1.55}.is-user{background:var(--brand);color:#fff;border-radius:var(--radius) var(--radius) 2px var(--radius);align-self:flex-end;max-width:85%;padding:10px 14px}.is-agent{align-self:stretch}.say{white-space:pre-wrap;margin:0}.thinking{color:var(--muted);margin:0;font-size:14px;font-style:italic}.is-error{border-left:3px solid var(--warn);color:var(--warn);align-self:stretch;padding-left:12px;font-size:14px}.greeting{color:var(--text)}.greeting h2{margin:0 0 8px;font-size:22px}.greeting p{color:var(--muted);margin:0 0 12px;line-height:1.6}.greeting-hint{font-size:14px}.starters{flex-direction:column;gap:8px;margin:0;padding:0;list-style:none;display:flex}.starter{text-align:left;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);width:100%;color:var(--text);font:inherit;cursor:pointer;padding:12px 14px;font-size:15px}.starter:hover{border-color:var(--brand)}.trail{flex-wrap:wrap;gap:6px 12px;margin:0 0 8px;padding:0;list-style:none;display:flex}.trail-item{color:var(--muted);align-items:center;gap:6px;font-size:13px;display:inline-flex}.trail-dot{color:var(--brand)}.trail-item.is-bad{color:var(--warn)}.trail-ms{opacity:.6;font-variant-numeric:tabular-nums}.grid-note{color:var(--muted);margin:0 0 8px;font-size:14px}.grid{grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px;margin:0;padding:0;list-style:none;display:grid}.card{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);flex-direction:column;display:flex;overflow:hidden}.card-img{aspect-ratio:1;background:#fff;place-items:center;padding:8px;display:grid}.card-img img{object-fit:contain;max-width:100%;max-height:100%}.card-img-empty{opacity:.35;font-size:28px}.card-body{flex-direction:column;gap:4px;padding:10px;display:flex}.card-brand{text-transform:uppercase;letter-spacing:.04em;color:var(--muted);font-size:11px}.card-name{font-size:13px;line-height:1.35}.card-price{font-variant-numeric:tabular-nums;font-size:16px;font-weight:650}.card-was{color:var(--muted);margin-left:6px;font-size:12px;font-weight:400}.card-unit{color:var(--muted);font-size:12px}.card-oos{color:var(--warn);font-size:12px}.cart{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface)}.cart-head{border-bottom:1px solid var(--border);justify-content:space-between;align-items:baseline;padding:12px 14px;display:flex}.cart-title{font-weight:650}.cart-retailer{letter-spacing:.04em;color:var(--muted);font-size:12px}.cart-lines{margin:0;padding:6px 0;list-style:none}.cart-line{grid-template-columns:34px 1fr auto;align-items:baseline;gap:8px;padding:6px 14px;font-size:14px;display:grid}.cart-line.is-oos{color:var(--muted);text-decoration:line-through}.cart-qty{color:var(--muted);font-variant-numeric:tabular-nums}.cart-amount{font-variant-numeric:tabular-nums}.cart-notes{color:var(--warn);border-top:1px solid var(--border);margin:0;padding:8px 14px 8px 30px;font-size:13px}.cart-foot{border-top:1px solid var(--border);padding:12px 14px}.cart-total{justify-content:space-between;font-size:17px;display:flex}.cart-total strong{font-variant-numeric:tabular-nums}.cart-warn{color:var(--warn);margin:8px 0 0;font-size:13px}.cart-actions{flex-wrap:wrap;gap:8px;margin-top:12px;display:flex}.btn{font:inherit;background:var(--brand);color:#fff;cursor:pointer;border:1px solid #0000;border-radius:10px;padding:10px 16px;font-weight:600;text-decoration:none;display:inline-block}.btn:disabled{opacity:.45;cursor:not-allowed}.btn-ghost{color:var(--text);border-color:var(--border);background:0 0}.btn-pay{flex:1}.composer{border-top:1px solid var(--border);background:var(--bg);gap:8px;padding:12px 0 20px;display:flex}.composer-input{border:1px solid var(--border);font:inherit;background:var(--bg);color:var(--text);border-radius:10px;flex:1;padding:12px 14px}.composer-input:focus{outline:2px solid var(--brand);outline-offset:-1px}@media (max-width:560px){.shell{padding:16px 16px 0}.masthead{flex-direction:column;gap:8px}.grid{grid-template-columns:repeat(auto-fill,minmax(130px,1fr))}.wallet{width:100%}}.wallet{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);flex-direction:column;gap:6px;min-width:190px;padding:10px 12px;display:flex}.wallet-head{justify-content:space-between;align-items:baseline;gap:8px;display:flex}.wallet-label{text-transform:uppercase;letter-spacing:.06em;color:var(--muted);font-size:11px}.wallet-addr{font:inherit;font-variant-numeric:tabular-nums;color:var(--muted);cursor:pointer;background:0 0;border:0;padding:0;font-size:12px}.wallet-addr:hover{color:var(--brand)}.wallet-balance{flex-wrap:wrap;align-items:baseline;gap:6px;display:flex}.wallet-balance strong{font-variant-numeric:tabular-nums;letter-spacing:-.02em;font-size:22px}.wallet-unit{color:var(--muted);font-size:12px}.wallet-sub{color:var(--muted);flex-wrap:wrap;gap:10px;font-size:12px;display:flex}.wallet-warn{color:var(--warn)}.wallet-muted{color:var(--muted)}.wallet-error{color:var(--warn);margin:0;font-size:12px}.wallet-actions{gap:6px;display:flex}.wallet-off{opacity:.7}.btn-sm{border-radius:8px;padding:5px 10px;font-size:12px;font-weight:500}.wallet-note{color:var(--ok);margin:0;font-size:12px}.modal-backdrop{z-index:50;background:#00000080;place-items:center;padding:16px;display:grid;position:fixed;inset:0}.modal{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);flex-direction:column;gap:14px;width:100%;max-width:460px;max-height:90dvh;padding:18px;display:flex;overflow-y:auto}.modal-head{justify-content:space-between;align-items:center;gap:12px;display:flex}.modal-head h2{margin:0;font-size:19px}.modal-x{color:var(--muted);cursor:pointer;background:0 0;border:0;padding:0 4px;font-size:24px;line-height:1}.modal-x:disabled{opacity:.3;cursor:not-allowed}.modal-actions{flex-wrap:wrap;gap:8px;display:flex}.modal-actions .btn{text-align:center;flex:auto;min-width:128px}.pay-lines{flex-direction:column;gap:4px;margin:0;padding:0;font-size:14px;list-style:none;display:flex}.pay-lines li{grid-template-columns:34px 1fr auto;align-items:baseline;gap:8px;display:grid}.pay-rows{border-top:1px solid var(--border);flex-direction:column;gap:6px;margin:0;padding-top:12px;display:flex}.pay-rows>div{justify-content:space-between;gap:12px;display:flex}.pay-rows dt,.pay-rows dd{margin:0}.pay-rows dd{font-variant-numeric:tabular-nums}.pay-total{font-size:19px;font-weight:650}.pay-fine{color:var(--muted);font-size:13px}.pay-note{color:var(--muted);margin:0;font-size:13px;line-height:1.5}.pay-warn{color:var(--warn);margin:0;font-size:13px}.pay-error{color:var(--warn);word-break:break-word;margin:0;font-size:13px}.pay-fine-line{color:var(--muted);text-align:center;margin:0;font-size:12px}.tx-link{margin:0;font-size:14px}.order-panel{border:1px solid var(--brand);border-radius:var(--radius);background:var(--surface);flex-direction:column;gap:10px;margin-bottom:12px;padding:14px;display:flex}.order-panel.is-done{border-color:var(--ok)}.order-head{justify-content:space-between;align-items:center;gap:12px;font-size:15px;display:flex}.order-head a{font-size:13px}.tx-list{flex-direction:column;gap:4px;margin:0;padding:0;font-size:14px;list-style:none;display:flex}.tx-list li{justify-content:space-between;gap:12px;display:flex}.tx-list span{color:var(--muted)}.receipt{font-size:13px}.receipt summary{cursor:pointer;color:var(--muted)}.receipt pre{background:var(--bg);border:1px solid var(--border);border-radius:8px;margin:8px 0 4px;padding:8px 10px;font-size:12px;line-height:1.5;overflow-x:auto}.receipt .pay-fine-line{text-align:left;word-break:break-all}