/* auth.css - 認証画面のスタイル */

* { box-sizing: border-box; }

body {
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Sans",
               "Hiragino Kaku Gothic ProN", "Noto Sans JP", sans-serif;
  background: #f5f6f8;
  color: #1f2937;
  min-height: 100vh;
}

.auth-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 24px;
}

.auth-card {
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
  padding: 40px 32px;
  width: 100%;
  max-width: 420px;
}

.auth-title {
  font-size: 22px;
  font-weight: 700;
  margin: 0 0 8px;
  color: #1f2937;
  text-align: center;
}

.auth-subtitle {
  font-size: 14px;
  color: #6b7280;
  margin: 0 0 28px;
  text-align: center;
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.auth-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.auth-field label {
  font-size: 13px;
  font-weight: 500;
  color: #374151;
}

.auth-field input {
  height: 44px;
  padding: 0 12px;
  font-size: 15px;
  border: 1px solid #d1d5db;
  border-radius: 8px;
  background: #fff;
  color: #1f2937;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.auth-field input:focus {
  outline: none;
  border-color: #2563eb;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

.auth-hint {
  font-size: 12px;
  color: #9ca3af;
  margin-top: 2px;
}

.auth-error {
  background: #fef2f2;
  color: #b91c1c;
  border: 1px solid #fecaca;
  padding: 10px 12px;
  border-radius: 6px;
  font-size: 13px;
}

/* Phase F-2: 登録完了などの情報通知 (エラーの赤と区別する青系) */
.auth-info {
  background: #eff6ff;
  color: #1d4ed8;
  border: 1px solid #bfdbfe;
  padding: 10px 12px;
  border-radius: 6px;
  font-size: 13px;
}

.auth-btn {
  margin-top: 8px;
  height: 48px;
  background: #2563eb;
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s, opacity 0.15s;
}

.auth-btn:hover {
  background: #1d4ed8;
}

.auth-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.auth-link {
  text-align: center;
  margin-top: 24px;
  font-size: 13px;
  color: #6b7280;
}

.auth-link a {
  color: #2563eb;
  text-decoration: none;
  font-weight: 500;
}

.auth-link a:hover {
  text-decoration: underline;
}