:root {
  color-scheme: light;
  font-family: Arial, sans-serif;
  background: #eef2f5;
  color: #102030;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: #eef2f5;
  color: #102030;
}

button,
input {
  font: inherit;
}

input {
  width: 100%;
  border: 1px solid #c7d0d9;
  border-radius: 6px;
  background: #ffffff;
  padding: 0.72rem 0.8rem;
  color: #102030;
}

button {
  border: 1px solid #c4ccd4;
  border-radius: 6px;
  background: #ffffff;
  color: #102030;
  padding: 0.68rem 0.9rem;
  cursor: pointer;
}

button:hover {
  background: #f6f8fa;
}

.primary-button {
  background: #0f62fe;
  border-color: #0f62fe;
  color: #ffffff;
}

.primary-button:hover {
  background: #0a56e8;
}

.auth-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 16px;
}

.auth-card {
  width: min(460px, 100%);
  background: #ffffff;
  border: 1px solid #d8e0e7;
  border-radius: 8px;
  padding: 22px;
  box-shadow: 0 18px 42px rgba(16, 32, 48, 0.08);
}

.auth-header h1 {
  margin: 0 0 0.35rem;
  font-size: 2.15rem;
  line-height: 1.05;
}

.auth-header p {
  margin: 0;
  color: #5f6c79;
  line-height: 1.4;
}

.auth-form {
  display: grid;
  gap: 12px;
  margin-top: 18px;
}

.field-group {
  display: grid;
  gap: 5px;
}

.field-group > span {
  font-size: 0.9rem;
  font-weight: 700;
}

.message {
  margin-top: 16px;
  border-radius: 6px;
  padding: 0.72rem 0.84rem;
  line-height: 1.35;
}

.error-message {
  background: #fff3f3;
  border: 1px solid #e2b4b4;
  color: #8b1e1e;
}

.success-message {
  background: #edf8ef;
  border: 1px solid #b8dbbe;
  color: #1f5f32;
}

.auth-note {
  margin-top: 16px;
  color: #5f6c79;
  line-height: 1.4;
  font-size: 0.92rem;
}

.auth-meta {
  margin-top: 12px;
  color: #5f6c79;
  line-height: 1.35;
  font-size: 0.85rem;
  text-align: center;
}