:root {
  --bg: #0b1220;
  --panel: #0f1a2e;
  --text: #e7eefc;
  --muted: rgba(231, 238, 252, 0.7);
  --border: rgba(231, 238, 252, 0.12);
  --yellow: #ffcc00;
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto,
    Helvetica, Arial;
  background: radial-gradient(1200px 900px at 10% 10%, #122148 0, var(--bg) 45%);
  color: var(--text);
}

.landing {
  height: 100%;
  display: grid;
  place-items: center;
  padding: 18px;
}

.panel {
  width: 100%;
  max-width: 720px;
  border: 1px solid var(--border);
  background: rgba(15, 26, 46, 0.9);
  border-radius: 16px;
  padding: 18px;
}

.h1 {
  font-size: 22px;
  font-weight: 900;
}

.h2 {
  margin-top: 12px;
  font-size: 16px;
  font-weight: 800;
}

.p {
  margin-top: 10px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.5;
}

.form {
  margin-top: 14px;
  display: grid;
  gap: 10px;
}

.label {
  font-size: 12px;
  color: var(--muted);
}

.input {
  width: 100%;
  padding: 12px 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(231, 238, 252, 0.06);
  color: var(--text);
  outline: none;
}

.btn {
  border: 1px solid var(--border);
  background: rgba(231, 238, 252, 0.06);
  color: var(--text);
  padding: 10px 14px;
  border-radius: 12px;
  cursor: pointer;
  font-weight: 800;
  text-decoration: none;
  text-align: center;
}

.btn.primary {
  background: rgba(255, 204, 0, 0.12);
  border-color: rgba(255, 204, 0, 0.35);
}

.btn.danger {
  background: rgba(255, 77, 79, 0.12);
  border-color: rgba(255, 77, 79, 0.35);
}

.reset-wrap {
  margin-top: 12px;
  display: grid;
  gap: 8px;
}

.hint {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.4;
}

.divider {
  margin: 18px 0;
  height: 1px;
  background: rgba(231, 238, 252, 0.08);
}

.groups {
  display: grid;
  gap: 10px;
  margin-top: 10px;
}

.group-row {
  display: grid;
  grid-template-columns: 1fr 120px;
  gap: 12px;
  align-items: center;
  border: 1px solid var(--border);
  background: rgba(16, 28, 51, 0.6);
  border-radius: 12px;
  padding: 12px;
}

.gname {
  font-weight: 900;
  font-size: 14px;
}

.gid {
  margin-top: 4px;
  font-size: 12px;
  color: var(--muted);
}

.empty {
  font-size: 13px;
  color: var(--muted);
}