:root {
  color: #17231e;
  background: #f5f7f2;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

body { margin: 0; min-height: 100vh; }

.shell { width: min(100% - 32px, 620px); margin: 0 auto; padding: 72px 0; }

header { margin-bottom: 28px; }

.eyebrow { margin: 0 0 8px; color: #25734c; font-size: 12px; font-weight: 700; letter-spacing: 1.2px; }

h1 { margin: 0; font-size: 32px; font-weight: 720; }

.subtitle { margin: 8px 0 0; color: #5d6961; }

.panel { background: #fff; border: 1px solid #dbe2da; border-radius: 8px; padding: 24px; box-shadow: 0 10px 30px rgba(33, 52, 39, 0.06); }

label, .label { display: block; margin: 0 0 8px; color: #344138; font-size: 14px; font-weight: 650; }

input, textarea, select { width: 100%; border: 1px solid #b9c7bd; border-radius: 5px; background: #fff; color: #17231e; font: inherit; padding: 11px 12px; }

textarea { resize: vertical; min-height: 150px; margin-bottom: 18px; }

input[type="file"] { margin-bottom: 18px; }

.row { display: grid; grid-template-columns: 1fr 170px; gap: 16px; align-items: end; margin-bottom: 22px; }

.row label { margin-bottom: 11px; }

button, .download { border: 0; border-radius: 5px; background: #176c45; color: #fff; cursor: pointer; font: inherit; font-weight: 650; padding: 11px 16px; text-decoration: none; }

button:hover, .download:hover { background: #0f5736; }

button:disabled { cursor: wait; opacity: 0.65; }

.button-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 12px; }

.or { color: #69766d; margin: 0 0 18px; text-align: center; }

.receive-panel { margin-top: 18px; }

.receive-row { display: grid; grid-template-columns: 1fr auto; gap: 10px; }

.transfer-code { display: block; color: #176c45; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 46px; font-weight: 750; letter-spacing: 8px; text-align: center; }

.secondary { background: #e8efea; color: #1c3526; }

.secondary:hover { background: #d9e5dc; }

.danger { background: #a53831; }

.danger:hover { background: #812b27; }

.status { min-height: 22px; margin: 16px 0 0; color: #516057; font-size: 14px; }

.hidden { display: none !important; }

.received-text { white-space: pre-wrap; overflow-wrap: anywhere; border: 1px solid #dbe2da; border-radius: 5px; background: #f8faf7; padding: 14px; max-height: 360px; overflow: auto; }

.download { display: inline-block; margin-top: 12px; border-radius: 5px; background: #176c45; color: #fff; font-weight: 650; padding: 11px 16px; text-decoration: none; }

@media (max-width: 520px) {
  .shell { width: min(100% - 24px, 620px); padding: 32px 0; }
  .panel { padding: 18px; }
  .row { grid-template-columns: 1fr; gap: 6px; }
  .receive-row { grid-template-columns: 1fr; }
}