.auth-root {
  --bg: #0b1220;
  --ink: #e8f0ff;
  --muted: #9fb0d0;
  --line: rgba(255, 255, 255, 0.12);
  --radius: 16px;
  --accent: #1a2f63;
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: radial-gradient(1200px 800px at 20% 10%, #12224a 0%, var(--bg) 55%);
  color: var(--ink);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.auth-root * {
  box-sizing: border-box;
}

.auth-root .card {
  width: 100%;
  max-width: 420px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.06) 0%, rgba(255, 255, 255, 0.03) 100%);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.45);
}

.auth-root h1 {
  margin: 0 0 6px;
  font-size: 18px;
}

.auth-root p {
  margin: 0 0 16px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.4;
}

.auth-root label {
  font-size: 12px;
  color: var(--muted);
  display: block;
  margin-bottom: 6px;
}

.auth-root input {
  width: 100%;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(0, 0, 0, 0.2);
  color: var(--ink);
  font: inherit;
}

.auth-root .row {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 16px;
}

.auth-root button {
  width: 100%;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, #1a2f63 0%, #13264f 100%);
  color: var(--ink);
  cursor: pointer;
  font: inherit;
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.25);
}

.auth-root .error {
  color: #ffb4b4;
  font-size: 12px;
  margin-top: 10px;
  min-height: 16px;
  visibility: hidden;
}