:root {
  --bg: #0b0f0c;
  --bg-2: #0f1512;
  --ink: #d9ffe3;
  --ink-dim: #6f8a78;
  --line: #1d2a23;
  --line-2: #2a3d33;
  --accent: #5dff9c;
  --accent-dim: #2bb86a;
  --warn: #ffb84d;
  --venmo: #3d95ce;
  --jelly: #ff5cb1;
  --stripe: #635bff;
  --mono: 'JetBrains Mono', ui-monospace, Menlo, monospace;
  --sans: 'Space Grotesk', system-ui, sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0; padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--mono);
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

body {
  background-image:
    linear-gradient(transparent 95%, rgba(93,255,156,0.06) 95%),
    linear-gradient(90deg, transparent 95%, rgba(93,255,156,0.04) 95%);
  background-size: 24px 24px, 24px 24px;
  min-height: 100vh;
}

.shell {
  max-width: 560px;
  margin: 0 auto;
  padding: 24px 16px 64px;
}

.hdr {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 20px;
  border-bottom: 1px dashed var(--line-2);
  margin-bottom: 24px;
}

.brand {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--sans);
  font-weight: 700;
  letter-spacing: 0.12em;
  font-size: 14px;
}
.brand-name { color: var(--ink); }
.dot {
  width: 10px; height: 10px;
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent);
  animation: pulse 1.6s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.45; }
}

.settings-link {
  color: var(--ink-dim);
  text-decoration: none;
  font-size: 12px;
  letter-spacing: 0.08em;
}
.settings-link:hover { color: var(--accent); }

.panel {
  background: var(--bg-2);
  border: 1px solid var(--line);
  padding: 20px 18px;
  margin-bottom: 20px;
  position: relative;
}
.panel-label {
  position: absolute;
  top: -9px; left: 14px;
  background: var(--bg);
  padding: 0 8px;
  color: var(--accent-dim);
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.field {
  display: block;
  margin-bottom: 18px;
}
.field-label {
  display: block;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--ink-dim);
  margin-bottom: 8px;
  text-transform: uppercase;
}
.hint {
  color: var(--line-2);
  text-transform: none;
  letter-spacing: 0;
  font-size: 11px;
  margin-left: 6px;
}

input[type="text"], input[type="url"] {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--line-2);
  color: var(--ink);
  font-family: var(--mono);
  font-size: 15px;
  padding: 12px 14px;
  outline: none;
  transition: border-color 0.15s;
}
input:focus {
  border-color: var(--accent);
  box-shadow: inset 0 0 0 1px var(--accent);
}

.amount-row {
  display: flex; align-items: center;
  background: var(--bg);
  border: 1px solid var(--line-2);
  transition: border-color 0.15s, box-shadow 0.15s;
}
.amount-row:focus-within {
  border-color: var(--accent);
  box-shadow: inset 0 0 0 1px var(--accent);
}
.amount-row .currency {
  padding: 0 12px 0 16px;
  color: var(--accent);
  font-weight: 700;
  font-size: 22px;
}
.amount-row input {
  border: none !important;
  background: transparent;
  font-size: 28px;
  font-weight: 500;
  padding: 14px 14px 14px 0;
  box-shadow: none !important;
}

.note-row {
  display: flex; gap: 8px; align-items: stretch;
}
.note-row input { flex: 1; }
.mic {
  background: var(--bg);
  border: 1px solid var(--line-2);
  color: var(--ink-dim);
  padding: 0 14px;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: all 0.15s;
}
.mic:hover { color: var(--accent); border-color: var(--accent); }
.mic.listening {
  color: var(--accent);
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent), 0 0 18px rgba(93,255,156,0.4);
  animation: pulse 1s ease-in-out infinite;
}
.mic-status {
  display: block;
  font-size: 11px;
  color: var(--ink-dim);
  margin-top: 6px;
  min-height: 14px;
}

.btn-primary {
  width: 100%;
  background: var(--accent);
  color: #001a08;
  border: none;
  padding: 14px;
  font-family: var(--mono);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 0.15s, transform 0.05s;
}
.btn-primary:hover { background: #7bffae; }
.btn-primary:active { transform: translateY(1px); }

.btn-ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line-2);
  padding: 10px 14px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  cursor: pointer;
  text-decoration: none;
  text-align: center;
  text-transform: uppercase;
  transition: all 0.15s;
  display: inline-block;
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

.qr-panel.hidden { display: none; }
.qr-amount {
  font-size: 32px;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 4px;
  font-family: var(--mono);
}
.qr-note {
  color: var(--ink-dim);
  margin-bottom: 18px;
  font-size: 14px;
  min-height: 18px;
}
.qr-box {
  background: #fff;
  padding: 16px;
  display: inline-block;
  margin-bottom: 16px;
  width: 100%;
  text-align: center;
}
.qr-box canvas, .qr-box img {
  max-width: 100%;
  height: auto;
  display: inline-block;
}
.url-row {
  background: var(--bg);
  border: 1px solid var(--line-2);
  padding: 10px 12px;
  font-size: 11px;
  word-break: break-all;
  color: var(--ink-dim);
  margin-bottom: 14px;
}
.actions {
  display: flex; gap: 8px; flex-wrap: wrap;
}
.actions > * { flex: 1; min-width: 120px; }

.settings .btn-primary { width: auto; padding: 10px 20px; }
.save-status {
  margin-top: 10px;
  font-size: 12px;
  color: var(--accent);
  min-height: 16px;
}

.ftr {
  text-align: center;
  color: var(--line-2);
  font-size: 11px;
  letter-spacing: 0.12em;
  margin-top: 32px;
  text-transform: uppercase;
}

/* Pay page */
.pay-body {
  background: var(--bg);
}
.pay-shell {
  max-width: 480px;
}
.pay-card {
  background: var(--bg-2);
  border: 1px solid var(--line);
  padding: 32px 24px;
  position: relative;
  text-align: center;
}
.pay-card .panel-label {
  position: static;
  display: block;
  margin-bottom: 14px;
  background: transparent;
  padding: 0;
  text-align: center;
}
.pay-amount {
  font-size: 56px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.02em;
  line-height: 1.1;
}
.pay-note {
  color: var(--ink);
  font-size: 16px;
  margin: 10px 0 6px;
  min-height: 22px;
}
.pay-merchant {
  color: var(--ink-dim);
  font-size: 12px;
  letter-spacing: 0.08em;
  margin-bottom: 28px;
  text-transform: uppercase;
}
.pay-methods {
  display: flex; flex-direction: column; gap: 12px;
}
.pay-btn {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: 16px 20px;
  text-decoration: none;
  color: #fff;
  border: none;
  font-family: var(--mono);
  transition: transform 0.05s, filter 0.15s;
  min-height: 64px;
}
.pay-btn:hover { filter: brightness(1.1); }
.pay-btn:active { transform: translateY(1px); }
.pay-btn[aria-disabled="true"] {
  opacity: 0.35;
  pointer-events: none;
}
.pay-btn-label {
  font-family: var(--sans);
  font-weight: 700;
  font-size: 17px;
  letter-spacing: 0.01em;
}
.pay-btn-sub {
  font-size: 12px;
  opacity: 0.85;
  margin-top: 2px;
}
.pay-btn.venmo { background: var(--venmo); }
.pay-btn.jelly { background: var(--jelly); }
.pay-btn.stripe { background: var(--stripe); }
.pay-foot {
  margin-top: 22px;
  color: var(--ink-dim);
  font-size: 12px;
}

@media (max-width: 480px) {
  .amount-row input { font-size: 24px; }
  .qr-amount { font-size: 26px; }
  .pay-amount { font-size: 44px; }
  .actions > * { min-width: 100%; }
}