:root {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color-scheme: light dark;
  --bg: #111318;
  --panel: #1a1e26;
  --border: #323844;
  --text: #f2f4f8;
  --muted: #aab2c0;
  --accent: #6ea8fe;
  --danger: #ff7b7b;
  --success: #78dba9;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); }
.container { max-width: 900px; margin: 0 auto; padding: 28px 18px 60px; }
.topbar { display: flex; align-items: start; justify-content: space-between; gap: 20px; margin-bottom: 24px; }
h1 { margin: 0 0 4px; font-size: 1.9rem; }
h2 { margin: 0 0 16px; font-size: 1.15rem; }
.panel, .login-card { background: var(--panel); border: 1px solid var(--border); border-radius: 12px; padding: 20px; margin: 16px 0; }
.login-card { max-width: 480px; margin: 15vh auto 0; }
.muted { color: var(--muted); }
.number { color: var(--muted); font-variant-numeric: tabular-nums; }
.button, select, .search { font: inherit; border-radius: 8px; border: 1px solid var(--border); }
.button { display: inline-block; padding: 9px 14px; background: transparent; color: var(--text); text-decoration: none; cursor: pointer; }
.button.primary { background: var(--accent); border-color: var(--accent); color: #08101f; font-weight: 650; }
.button:disabled { opacity: .45; cursor: not-allowed; }
.phone-form { display: flex; gap: 10px; }
select, .search { min-width: 0; background: var(--bg); color: var(--text); padding: 10px 12px; }
select { flex: 1; }
.search { width: 100%; font-size: 1.05rem; margin-bottom: 12px; }
.result-row, .recent-row { display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 12px 2px; border-top: 1px solid var(--border); }
.result-row:first-child, .recent-row:first-child { border-top: 0; }
.recent-row time { color: var(--muted); white-space: nowrap; font-variant-numeric: tabular-nums; }
.flash { border: 1px solid var(--border); border-radius: 8px; padding: 12px 14px; margin: 16px 0; }
.flash.success { border-color: var(--success); }
.flash.error { border-color: var(--danger); }
@media (max-width: 600px) {
  .phone-form { flex-direction: column; }
  .result-row, .recent-row { align-items: flex-start; }
  .recent-row { flex-direction: column; gap: 4px; }
}