:root {
  --bg: #0b0d12;
  --panel: #12151c;
  --panel-border: #22262f;
  --text: #e8eaed;
  --text-dim: #9aa1ac;
  --accent: #6c8cff;
  --accent-text: #06070a;
  --danger: #ff6b6b;
  --ok: #4ade80;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f5f6f8;
    --panel: #ffffff;
    --panel-border: #e2e4e9;
    --text: #14161a;
    --text-dim: #5a616e;
    --accent: #3457e6;
    --accent-text: #ffffff;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  border-bottom: 1px solid var(--panel-border);
  position: sticky;
  top: 0;
  background: var(--bg);
  z-index: 10;
}

.brand { display: flex; align-items: center; gap: 8px; font-weight: 600; font-size: 15px; }
.brand-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); display: inline-block; }

.wallet-area { display: flex; align-items: center; gap: 10px; }

.badge {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 4px 8px;
  border-radius: 999px;
  border: 1px solid var(--panel-border);
  color: var(--text-dim);
}

.account-address {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text-dim);
  background: var(--panel);
  border: 1px solid var(--panel-border);
  padding: 5px 10px;
  border-radius: 999px;
}

main { max-width: 980px; margin: 0 auto; padding: 24px; display: flex; flex-direction: column; gap: 20px; }

.panel {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 12px;
  padding: 20px;
}

.panel h2 { margin: 0 0 4px; font-size: 15px; }
.panel h3 { margin: 0 0 8px; font-size: 13px; color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.03em; }
.panel-header { display: flex; align-items: center; justify-content: space-between; }

.subsection { padding-top: 16px; margin-top: 16px; border-top: 1px solid var(--panel-border); }

.hint { color: var(--text-dim); font-size: 12.5px; margin: 8px 0 0; }

.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px;
  margin: 12px 0;
}

label { display: flex; flex-direction: column; gap: 6px; font-size: 12.5px; color: var(--text-dim); }

input, select {
  font: inherit;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--panel-border);
  border-radius: 8px;
  padding: 9px 10px;
}

input:focus, select:focus { outline: 2px solid var(--accent); outline-offset: -1px; }

.align-btn { display: flex; align-items: flex-end; }

.checkbox-row {
  flex-direction: row;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text);
}
.checkbox-row input { width: auto; }

.btn {
  font: inherit;
  font-weight: 600;
  padding: 9px 16px;
  border-radius: 8px;
  border: 1px solid var(--panel-border);
  background: transparent;
  color: var(--text);
  cursor: pointer;
}

.btn:hover { border-color: var(--accent); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.btn.primary { background: var(--accent); color: var(--accent-text); border-color: var(--accent); }

.table-wrap { overflow-x: auto; }

table { width: 100%; border-collapse: collapse; font-size: 13px; margin-top: 8px; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--panel-border); white-space: nowrap; }
th { color: var(--text-dim); font-weight: 500; font-size: 12px; }
td.mono, .mono { font-family: var(--mono); }

.copy-address {
  font: inherit;
  font-family: var(--mono);
  font-size: 13px;
  color: var(--text);
  background: transparent;
  border: 1px solid transparent;
  border-radius: 6px;
  padding: 3px 6px;
  margin: -3px -6px;
  cursor: pointer;
  white-space: nowrap;
}
.copy-address:hover { border-color: var(--panel-border); background: var(--bg); }
.copy-icon { color: var(--text-dim); font-size: 11px; }

.stat-row { display: flex; gap: 24px; margin-top: 12px; }
.stat { display: flex; flex-direction: column; gap: 2px; }
.stat-label { font-size: 11px; color: var(--text-dim); text-transform: uppercase; }
.stat-value { font-family: var(--mono); font-size: 15px; }

.log {
  font-family: var(--mono);
  font-size: 12px;
  max-height: 220px;
  overflow-y: auto;
  display: flex;
  flex-direction: column-reverse;
  gap: 4px;
}

.log-entry { padding: 4px 0; border-bottom: 1px dashed var(--panel-border); }
.log-entry.error { color: var(--danger); }
.log-entry.ok { color: var(--ok); }

.banner {
  padding: 10px 14px;
  border-radius: 8px;
  background: rgba(108, 140, 255, 0.12);
  border: 1px solid var(--accent);
  font-size: 13px;
}

.hidden { display: none !important; }