:root {
  --bg: #0f172a;
  --card: #111827;
  --text: #e5e7eb;
  --muted: #9ca3af;
  --accent: #60a5fa;
  --danger: #ef4444;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0; padding: 0; font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  background: var(--bg); color: var(--text);
}

header { padding: 24px 24px 0; }
header h1 { margin: 0 0 6px; font-size: 22px; }
header .sub { margin: 0; color: var(--muted); font-size: 13px; }

main { padding: 24px; display: grid; gap: 16px; grid-template-columns: 1fr; }
.card { background: var(--card); border: 1px solid #1f2937; border-radius: 10px; padding: 16px; }
.card h2 { margin: 0 0 12px; font-size: 18px; }

.form-row { display: flex; gap: 8px; align-items: center; }
.form-row label { font-size: 14px; color: var(--muted); }
.form-row input { height: 32px; padding: 0 10px; border-radius: 8px; border: 1px solid #374151; background: #0b1220; color: var(--text); }
.form-row button { height: 32px; padding: 0 12px; border-radius: 8px; border: 1px solid #1f2937; background: #0b1220; color: var(--text); cursor: pointer; }
.form-row button:hover { border-color: var(--accent); color: #fff; }

.toolbar { display: flex; justify-content: flex-end; margin-top: 10px; }
.toolbar button { height: 28px; padding: 0 10px; border-radius: 6px; border: 1px solid #1f2937; background: #0b1220; color: var(--text); cursor: pointer; }
.toolbar button:hover { border-color: var(--accent); }

.result-list { margin-top: 10px; }
.result-list ul { list-style: none; padding: 0; margin: 0; }
.result-list li { display: flex; align-items: center; justify-content: space-between; border: 1px dashed #374151; padding: 8px; border-radius: 8px; margin-bottom: 6px; }
.result-list .token { font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace; letter-spacing: 0.3px; }
.result-list .copy { font-size: 12px; color: var(--accent); cursor: pointer; }

.table { width: 100%; border-collapse: collapse; margin-top: 10px; }
.table th, .table td { border: 1px solid #374151; padding: 8px; text-align: left; }
.table th { color: var(--muted); font-weight: 600; }
.table td .btn { border: 1px solid #1f2937; background: #0b1220; color: var(--text); padding: 4px 8px; border-radius: 6px; cursor: pointer; }
.table td .btn:hover { border-color: var(--accent); }

footer { padding: 0 24px 24px; color: var(--muted); font-size: 12px; }