:root { --bg: #f6f7f9; --card: #fff; --ink: #14171f; --muted: #5d6475; --line: #e3e6ec; --brand: #2f5bd3; --ok: #1f7a50; --bad: #b83232; color-scheme: light dark; }
@media (prefers-color-scheme: dark) { :root { --bg: #101218; --card: #191c25; --ink: #eef0f5; --muted: #a2a9b8; --line: #2b303c; --brand: #6d8fff; --ok: #6fd3a2; --bad: #f28b8b; } }
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 16px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
main { max-width: 480px; margin: 0 auto; padding: 24px 16px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 20px; margin-bottom: 16px; }
h1 { font-size: 1.25rem; margin: 0 0 4px; }
.amount { font-size: 2rem; font-weight: 700; margin: 8px 0; }
.muted { color: var(--muted); }
.small { font-size: 0.85rem; }
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
button, .btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 48px; padding: 0 16px; border-radius: 12px;
  border: 1px solid var(--line); background: var(--card); color: var(--ink); font: inherit; font-weight: 600; cursor: pointer; text-decoration: none; }
button.primary, .btn.primary { background: var(--brand); border-color: var(--brand); color: #fff; }
button:disabled { opacity: 0.6; cursor: wait; }
.block { display: flex; width: 100%; margin-top: 8px; }
.wallet img { width: 24px; height: 24px; border-radius: 6px; }
.addr { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 0.85rem; word-break: break-all; background: var(--bg); padding: 8px; border-radius: 8px; }
.qr { display: block; width: 220px; height: 220px; margin: 12px auto; background: #fff; border-radius: 12px; image-rendering: pixelated; }
.status { margin-top: 12px; font-weight: 600; }
.ok { color: var(--ok); }
.bad { color: var(--bad); }
input { width: 100%; min-height: 44px; padding: 0 12px; border: 1px solid var(--line); border-radius: 10px; background: var(--bg); color: var(--ink); font: inherit; }
details { margin-top: 12px; }
summary { cursor: pointer; color: var(--muted); }
.foot { max-width: 480px; margin: 0 auto; padding: 0 16px 24px; font-size: 0.8rem; text-align: center; }
.chain-title { margin: 12px 0 8px; font-size: 0.9rem; text-transform: uppercase; letter-spacing: 0.04em; color: var(--muted); }
.warn { background: color-mix(in srgb, var(--brand) 10%, transparent); border-radius: 10px; padding: 10px 12px; }