:root {
  --bg: #0e1117;
  --panel: #161b26;
  --panel-2: #1d2331;
  --border: #2a3142;
  --text: #e7eaf1;
  --muted: #8b93a7;
  --primary: #6c8cff;
  --primary-dark: #4f6bd8;
  --success: #34d399;
  --warning: #fbbf24;
  --danger: #f87171;
  --radius: 10px;
  font-synthesis: none;
}

* { 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;
  font-size: 14px;
  line-height: 1.5;
}

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
}
.topbar .brand { font-weight: 700; letter-spacing: 0.2px; }
.topbar .brand .dot { color: var(--primary); }
.topbar .right { display: flex; align-items: center; gap: 16px; }
.balance-pill {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 6px 14px;
  font-weight: 600;
}
.balance-pill .cur { color: var(--muted); font-weight: 400; margin-right: 4px; }

.shell { max-width: 1100px; margin: 0 auto; padding: 24px; }
.auth-shell { max-width: 380px; margin: 10vh auto; padding: 0 20px; }

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 16px;
}
.card h2 { margin: 0 0 14px; font-size: 15px; color: var(--text); }
.card h3 { margin: 0 0 10px; font-size: 13px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.06em; }

.tabs { display: flex; gap: 4px; margin-bottom: 18px; border-bottom: 1px solid var(--border); }
.tab-btn {
  background: none; border: none; color: var(--muted); padding: 10px 16px;
  cursor: pointer; font-size: 14px; border-bottom: 2px solid transparent; font-weight: 500;
}
.tab-btn.active { color: var(--text); border-bottom-color: var(--primary); }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

label { display: block; margin-bottom: 6px; color: var(--muted); font-size: 13px; }
input, select, textarea {
  width: 100%; background: var(--panel-2); border: 1px solid var(--border); color: var(--text);
  border-radius: 8px; padding: 10px 12px; font-size: 14px; margin-bottom: 14px; font-family: inherit;
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--primary); }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  background: var(--primary); color: #fff; border: none; border-radius: 8px;
  padding: 10px 16px; font-size: 14px; font-weight: 600; cursor: pointer;
}
.btn:hover { background: var(--primary-dark); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn.secondary { background: var(--panel-2); border: 1px solid var(--border); color: var(--text); }
.btn.danger { background: var(--danger); }
.btn.success { background: var(--success); color: #06281c; }
.btn.small { padding: 6px 10px; font-size: 12px; }
.btn.block { width: 100%; }

table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: 0.04em; }
tr:last-child td { border-bottom: none; }

.badge { display: inline-block; padding: 3px 9px; border-radius: 999px; font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.03em; }
.badge.status-waiting_for_code, .badge.status-pending, .badge.status-active { background: #3a3418; color: var(--warning); }
.badge.status-completed, .badge.status-code_received { background: #123a2c; color: var(--success); }
.badge.status-cancelled, .badge.status-expired, .badge.status-failed { background: #3a1f1f; color: var(--danger); }
.badge.status-active-acc { background: #123a2c; color: var(--success); }
.badge.status-disabled { background: #3a1f1f; color: var(--danger); }
.badge.status-hold { background: #3a1f1f; color: var(--danger); }
.badge.status-pending-dep { background: #3a3418; color: var(--warning); }
.badge.status-approved { background: #123a2c; color: var(--success); }
.badge.status-rejected { background: #3a1f1f; color: var(--danger); }

.muted { color: var(--muted); }
.error-text { color: var(--danger); font-size: 13px; margin: -6px 0 12px; }
.success-text { color: var(--success); font-size: 13px; margin: -6px 0 12px; }
.empty { color: var(--muted); text-align: center; padding: 30px 0; font-size: 13px; }

.row { display: flex; gap: 10px; }
.row > * { flex: 1; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 720px) { .grid-2 { grid-template-columns: 1fr; } }

.code-box {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  background: var(--panel-2); border: 1px solid var(--border); border-radius: 6px;
  padding: 8px 10px; font-size: 15px; letter-spacing: 0.04em; color: var(--success);
}
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12px; }

.toast {
  position: fixed; bottom: 20px; right: 20px; background: var(--panel-2); border: 1px solid var(--border);
  color: var(--text); padding: 12px 18px; border-radius: 8px; font-size: 13px; z-index: 999;
  box-shadow: 0 8px 24px rgba(0,0,0,0.4);
}
.toast.err { border-color: var(--danger); color: var(--danger); }
.toast.ok { border-color: var(--success); color: var(--success); }