:root {
  --bg: #f3f4f6;
  --card: #ffffff;
  --text: #111827;
  --muted: #6b7280;
  --border: #e5e7eb;
  --danger: #991b1b;
  --danger-bg: #fee2e2;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: radial-gradient(circle at 20% 20%, #e5e7eb, var(--bg));
  color: var(--text);
  min-height: 100vh;
}

.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.auth-card {
  width: min(420px, 100%);
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  box-shadow: 0 12px 30px rgba(15, 23, 42, 0.08);
}

.auth-title {
  margin: 0;
  font-size: 22px;
}

.auth-subtitle {
  margin: 8px 0 18px 0;
  color: var(--muted);
  font-size: 13px;
}

.auth-form {
  display: grid;
  gap: 10px;
}

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

.auth-input {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 16px;
}

.auth-button {
  margin-top: 6px;
  border: none;
  border-radius: 8px;
  background: #111827;
  color: #fff;
  font-size: 14px;
  padding: 10px 12px;
  cursor: pointer;
}

.auth-error {
  margin: 0 0 12px 0;
  font-size: 12px;
  border: 1px solid #fecaca;
  background: var(--danger-bg);
  color: var(--danger);
  border-radius: 8px;
  padding: 8px 10px;
}