:root {
  --bg: #0e1117;
  --card: #161b26;
  --card2: #1d2433;
  --border: #2a3348;
  --text: #e8ecf4;
  --muted: #8b94a9;
  --accent: #5b8cff;
  --accent2: #7c5cff;
  --green: #34d399;
  --red: #f87171;
  --warn-bg: #2a2113;
  --warn-border: #8a6d2f;
  --warn-text: #f5c66b;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  min-height: 100vh;
}
#app { max-width: 560px; margin: 0 auto; padding: 24px 16px 64px; }
.view.hidden, .hidden { display: none !important; }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
}
.card.narrow { max-width: 440px; margin: 8vh auto 0; }
.brand { margin: 0 0 4px; font-size: 24px; letter-spacing: -0.3px; }
.brand.small { font-size: 16px; }
.muted { color: var(--muted); font-size: 14px; margin: 0 0 16px; }

.tabs { display: flex; gap: 8px; margin-bottom: 20px; }
.tab {
  flex: 1; padding: 10px; border-radius: 10px; border: 1px solid var(--border);
  background: transparent; color: var(--muted); cursor: pointer; font-size: 14px;
}
.tab.active { background: var(--card2); color: var(--text); border-color: var(--accent); }

input[type="password"], input[type="text"], textarea {
  width: 100%; padding: 12px; margin: 0 0 12px;
  background: var(--card2); border: 1px solid var(--border); border-radius: 10px;
  color: var(--text); font-size: 15px; font-family: inherit;
}
input:focus, textarea:focus { outline: none; border-color: var(--accent); }
textarea { resize: vertical; }

.btn {
  display: inline-block; padding: 12px 20px; border-radius: 10px; border: none;
  font-size: 15px; font-weight: 600; cursor: pointer; margin: 4px 4px 4px 0;
}
.btn.primary { background: linear-gradient(135deg, var(--accent), var(--accent2)); color: #fff; width: 100%; }
.btn.secondary { background: var(--card2); color: var(--text); border: 1px solid var(--border); width: 100%; }
.btn.ghost { background: transparent; color: var(--muted); border: 1px solid var(--border); padding: 8px 14px; font-size: 13px; }
.btn.ghost:hover { color: var(--text); border-color: var(--accent); }
.btn.small { padding: 6px 12px; font-size: 12px; }
.btn.danger { background: transparent; color: var(--red); border: 1px solid var(--red); width: 100%; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.error { color: var(--red); font-size: 13px; min-height: 18px; }
.warning {
  background: var(--warn-bg); border: 1px solid var(--warn-border); color: var(--warn-text);
  border-radius: 10px; padding: 12px; font-size: 13px; line-height: 1.5;
}
.check { display: flex; gap: 8px; align-items: flex-start; font-size: 14px; margin: 12px 0; cursor: pointer; }
.check input { margin-top: 3px; }

.phrase-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin: 12px 0;
}
.phrase-grid span {
  background: var(--card2); border: 1px solid var(--border); border-radius: 8px;
  padding: 8px 4px; text-align: center; font-size: 14px;
}
.phrase-grid span i { font-style: normal; color: var(--muted); margin-right: 4px; font-size: 11px; }

.topbar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }
.portfolio { text-align: center; margin-bottom: 16px; }
.portfolio h2 { margin: 4px 0 12px; font-size: 34px; }

.asset {
  background: var(--card); border: 1px solid var(--border); border-radius: 16px;
  padding: 20px; margin-bottom: 12px;
}
.asset-head { display: flex; justify-content: space-between; align-items: baseline; }
.asset-name { font-weight: 700; font-size: 17px; }
.asset-bal { font-size: 20px; font-weight: 600; }
.asset-usd { color: var(--muted); font-size: 13px; margin: 2px 0 12px; }
.addr-row {
  display: flex; align-items: center; gap: 8px; background: var(--card2);
  border: 1px solid var(--border); border-radius: 8px; padding: 8px 10px; margin-bottom: 12px;
  font-family: ui-monospace, monospace; font-size: 12.5px; color: var(--muted);
  overflow: hidden; white-space: nowrap;
}
.addr-row span { overflow: hidden; text-overflow: ellipsis; flex: 1; }
.addr-row button { background: none; border: none; color: var(--accent); cursor: pointer; font-size: 12px; flex-shrink: 0; }
.asset-actions { display: flex; gap: 8px; }
.asset-actions .btn { flex: 1; margin: 0; }
.token-row {
  background: var(--card2); border: 1px solid var(--border); border-radius: 10px;
  padding: 10px 12px; margin-bottom: 8px;
}
.token-top { display: flex; justify-content: space-between; align-items: baseline; }
.token-name { font-weight: 600; font-size: 14px; }
.token-bal { font-size: 15px; font-weight: 600; }
.token-sub { display: flex; justify-content: space-between; align-items: center; margin-top: 6px; }
.token-usd { color: var(--muted); font-size: 12px; }
.btn.btn-sm { padding: 6px 14px; font-size: 13px; width: auto; margin: 0; }
.explorer { font-size: 12px; color: var(--muted); margin-top: 10px; }
.explorer a { color: var(--accent); }

.footnote { color: var(--muted); font-size: 12px; text-align: center; margin-top: 24px; line-height: 1.6; }

.modal {
  position: fixed; inset: 0; background: rgba(0,0,0,0.65);
  display: flex; align-items: flex-start; justify-content: center; padding: 40px 16px; z-index: 50;
  overflow-y: auto;
}
.modal-card {
  background: var(--card); border: 1px solid var(--border); border-radius: 16px;
  padding: 28px 24px; width: 100%; max-width: 440px; position: relative;
}
.modal-x {
  position: absolute; top: 12px; right: 16px; background: none; border: none;
  color: var(--muted); font-size: 26px; cursor: pointer; line-height: 1;
}
.modal-card h3 { margin: 0 0 16px; }
.qr-wrap { display: flex; justify-content: center; margin: 16px 0; background: #fff; border-radius: 12px; padding: 12px; width: fit-content; margin-left: auto; margin-right: auto; }
.full-addr {
  word-break: break-all; font-family: ui-monospace, monospace; font-size: 12.5px;
  background: var(--card2); border: 1px solid var(--border); border-radius: 8px; padding: 10px; color: var(--text);
}
.review-row { display: flex; justify-content: space-between; padding: 8px 0; border-bottom: 1px solid var(--border); font-size: 14px; }
.review-row span:first-child { color: var(--muted); }
.review-row span:last-child { font-family: ui-monospace, monospace; word-break: break-all; text-align: right; max-width: 60%; }
.txid { word-break: break-all; font-family: ui-monospace, monospace; font-size: 12px; background: var(--card2); padding: 10px; border-radius: 8px; margin: 12px 0; }
.success { color: var(--green); font-weight: 700; }

.toast {
  position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%);
  background: var(--card2); border: 1px solid var(--accent); color: var(--text);
  padding: 10px 20px; border-radius: 10px; font-size: 14px; z-index: 100;
}
label.f-label { display: block; font-size: 13px; color: var(--muted); margin: 0 0 6px; }
.fee-line { font-size: 13px; color: var(--muted); margin: 4px 0 12px; }
.row-flex { display: flex; gap: 8px; }
.row-flex input { flex: 1; }