/* ============================================================================
 * login.css - 登录页样式
 *
 * 依赖: base.css (提供 CSS reset / body / 设计变量)
 * ========================================================================== */

body {
  display: flex;
  align-items: center;
  justify-content: center;
}

.container {
  width: 100%;
  max-width: 400px;
  background: #fff;
  border: 1px solid var(--color-border);
}

.header {
  background: var(--color-primary);
  color: #fff;
  padding: 20px 24px;
}

.header h1 {
  font-size: 18px;
  font-weight: 600;
}

.login-body {
  padding: 28px 24px;
}

.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  font-size: 14px;
  color: #495057;
  font-weight: 500;
  margin-bottom: 6px;
}

.form-group input {
  width: 100%;
  padding: 9px 12px;
  border: 1px solid #dee2e6;
  font-size: 14px;
  transition: border-color 0.2s ease;
}

.form-group input:focus {
  outline: none;
  border-color: var(--color-primary);
}

.login-btn {
  width: 100%;
  padding: 10px;
  background: var(--color-primary);
  color: #fff;
  border: none;
  cursor: pointer;
  font-weight: 500;
  font-size: 15px;
  transition: background 0.2s ease;
}

.login-btn:hover {
  background: var(--color-primary-dark);
}

.login-btn:disabled {
  background: var(--color-text-light);
  cursor: not-allowed;
}

.error-msg {
  color: var(--color-danger);
  font-size: 13px;
  margin-bottom: 12px;
  min-height: 18px;
}

/* -- 响应式: 手机 (≤480px) --------------------------------------------- */

@media (max-width: 480px) {
  body {
    padding: 10px;
  }

  .header {
    padding: 14px 16px;
  }

  .header h1 {
    font-size: 16px;
  }

  .login-body {
    padding: 20px 16px;
  }

  .form-group input {
    padding: 10px 12px;
    font-size: 15px;
  }

  .login-btn {
    padding: 12px;
    font-size: 16px;
  }
}