/* Universal Crypto Payments - checkout + payment panel. Light/dark aware, mobile first, no animation dependencies. */
:root {
	--ucp-bg: #ffffff;
	--ucp-bg-2: #f6f7f9;
	--ucp-fg: #101828;
	--ucp-muted: #5b6577;
	--ucp-border: #d9dde5;
	--ucp-accent: #4f46e5;
	--ucp-accent-fg: #ffffff;
	--ucp-ok: #067647;
	--ucp-ok-bg: #e7f6ee;
	--ucp-warn: #8a5a00;
	--ucp-warn-bg: #fff4d6;
	--ucp-err: #b42318;
	--ucp-info-bg: #eef2ff;
	--ucp-radius: 14px;
}
@media (prefers-color-scheme: dark) {
	:root {
		--ucp-bg: #131722;
		--ucp-bg-2: #1b2130;
		--ucp-fg: #eef1f7;
		--ucp-muted: #a3adc2;
		--ucp-border: #2c3447;
		--ucp-accent: #8b85ff;
		--ucp-accent-fg: #0d0f17;
		--ucp-ok: #6ce9a6;
		--ucp-ok-bg: #0f2a1d;
		--ucp-warn: #fec84b;
		--ucp-warn-bg: #2b2208;
		--ucp-err: #fda29b;
		--ucp-info-bg: #1a1f3a;
	}
}
.ucp-card, .ucp-checkout, .ucp-chooser { color: var(--ucp-fg); }
.ucp-card {
	background: var(--ucp-bg);
	border: 1px solid var(--ucp-border);
	border-radius: var(--ucp-radius);
	padding: 20px;
	margin: 16px 0;
	max-width: 760px;
	box-shadow: 0 1px 2px rgba(16, 24, 40, .06);
	box-sizing: border-box;
}
.ucp-card *, .ucp-checkout * { box-sizing: border-box; }
.ucp-head { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.ucp-head-text { flex: 1 1 200px; min-width: 0; }
.ucp-title { font-size: 1.35rem; font-weight: 700; line-height: 1.2; word-break: break-word; }
.ucp-sub { margin-top: 4px; }
.ucp-net { display: inline-flex; align-items: center; gap: 6px; font-size: .8rem; background: var(--ucp-bg-2); border: 1px solid var(--ucp-border); border-radius: 999px; padding: 2px 10px; }
.ucp-dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }
.ucp-pill { font-size: .8rem; font-weight: 600; padding: 4px 12px; border-radius: 999px; background: var(--ucp-info-bg); color: var(--ucp-accent); white-space: nowrap; }
.ucp-pill-confirmed, .ucp-pill-overpaid { background: var(--ucp-ok-bg); color: var(--ucp-ok); }
.ucp-pill-underpaid, .ucp-pill-review, .ucp-pill-expired, .ucp-pill-failed { background: var(--ucp-warn-bg); color: var(--ucp-warn); }
.ucp-steps { display: flex; gap: 6px; list-style: none; margin: 16px 0; padding: 0; counter-reset: s; }
.ucp-steps li { flex: 1; font-size: .72rem; color: var(--ucp-muted); border-top: 3px solid var(--ucp-border); padding-top: 6px; text-align: left; }
.ucp-steps li.is-done { border-color: var(--ucp-ok); color: var(--ucp-fg); }
.ucp-steps li.is-current { border-color: var(--ucp-accent); color: var(--ucp-fg); font-weight: 600; }
.ucp-grid { display: grid; grid-template-columns: 220px 1fr; gap: 20px; align-items: start; }
@media (max-width: 600px) { .ucp-grid { grid-template-columns: 1fr; } .ucp-qrbox { justify-self: center; } }
.ucp-qrbox { text-align: center; }
.ucp-qr { border-radius: 10px; border: 6px solid #fff; background: #fff; max-width: 100%; height: auto; }
.ucp-timer { margin-top: 8px; font-variant-numeric: tabular-nums; font-weight: 600; color: var(--ucp-muted); }
.ucp-timer.is-low { color: var(--ucp-err); }
.ucp-field { padding: 10px 0; border-bottom: 1px solid var(--ucp-border); }
.ucp-field:last-of-type { border-bottom: 0; }
.ucp-label { font-size: .75rem; text-transform: uppercase; letter-spacing: .04em; color: var(--ucp-muted); }
.ucp-value { font-size: 1.05rem; font-weight: 600; word-break: break-all; margin-top: 2px; }
.ucp-mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: .92rem; }
.ucp-field-actions { margin-top: 6px; display: flex; gap: 8px; flex-wrap: wrap; }
.ucp-rate { font-size: .8rem; color: var(--ucp-muted); margin-top: 8px; }
.ucp-btn {
	appearance: none; cursor: pointer; border: 1px solid var(--ucp-border); background: var(--ucp-bg-2); color: var(--ucp-fg);
	border-radius: 10px; padding: 10px 16px; font: inherit; font-weight: 600; text-decoration: none; display: inline-flex; align-items: center; justify-content: center; min-height: 44px;
}
.ucp-btn-sm { padding: 4px 12px; min-height: 34px; font-size: .85rem; }
.ucp-btn-primary { background: var(--ucp-accent); color: var(--ucp-accent-fg); border-color: var(--ucp-accent); }
.ucp-btn:hover { filter: brightness(1.05); }
.ucp-btn.is-done { background: var(--ucp-ok-bg); color: var(--ucp-ok); border-color: var(--ucp-ok); }
.ucp-btn:focus-visible, .ucp-chip:focus-visible, .ucp-input:focus-visible, .ucp-hash summary:focus-visible { outline: 3px solid var(--ucp-accent); outline-offset: 2px; }
.ucp-actions { display: flex; gap: 10px; flex-wrap: wrap; margin: 16px 0 6px; }
.ucp-note { border-radius: 10px; padding: 12px 14px; margin: 14px 0; font-size: .92rem; }
.ucp-note-ok { background: var(--ucp-ok-bg); color: var(--ucp-ok); }
.ucp-note-warn { background: var(--ucp-warn-bg); color: var(--ucp-warn); }
.ucp-note-info { background: var(--ucp-info-bg); }
.ucp-muted { color: var(--ucp-muted); font-size: .88rem; }
.ucp-small { font-size: .8rem; }
.ucp-error { color: var(--ucp-err); font-weight: 600; }
.ucp-wallet-msg { min-height: 1.2em; font-size: .9rem; color: var(--ucp-muted); }
.ucp-txs { list-style: none; margin: 12px 0; padding: 0; font-size: .9rem; }
.ucp-txs li { padding: 6px 0; word-break: break-all; }
.ucp-hash { margin-top: 12px; font-size: .9rem; }
.ucp-hash summary { cursor: pointer; color: var(--ucp-accent); }
.ucp-hash-row { display: flex; gap: 8px; margin: 10px 0; flex-wrap: wrap; }
.ucp-input { flex: 1 1 220px; border: 1px solid var(--ucp-border); background: var(--ucp-bg); color: var(--ucp-fg); border-radius: 10px; padding: 10px 12px; font: inherit; min-height: 44px; }
.ucp-foot { margin-top: 12px; font-size: .85rem; }

/* Checkout chooser */
.ucp-checkout { margin-top: 8px; }
.ucp-step-label { font-size: .85rem; font-weight: 600; margin: 12px 0 6px; }
.ucp-step[hidden] { display: none; }
.ucp-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.ucp-chip {
	appearance: none; cursor: pointer; display: inline-flex; align-items: center; gap: 8px; border: 1px solid var(--ucp-border); background: var(--ucp-bg);
	color: var(--ucp-fg); border-radius: 12px; padding: 8px 14px; font: inherit; font-weight: 600; min-height: 48px;
}
.ucp-chip.is-selected { border-color: var(--ucp-accent); box-shadow: 0 0 0 2px var(--ucp-accent) inset; background: var(--ucp-info-bg); }
.ucp-std { font-size: .75rem; color: var(--ucp-muted); font-weight: 500; }
.ucp-quote { margin-top: 14px; padding: 12px 14px; border: 1px dashed var(--ucp-border); border-radius: 10px; background: var(--ucp-bg-2); }
.ucp-quote:empty { display: none; }
.ucp-quote-main { display: flex; justify-content: space-between; gap: 8px; align-items: baseline; flex-wrap: wrap; }
@media (prefers-reduced-motion: no-preference) { .ucp-btn, .ucp-chip { transition: background .15s, border-color .15s; } }